Intel D865PERLX User manual

April 2003
Order Number: C32639-001
The Intel®Desktop Board D865PERC/D865PESO may contain design defects or errors known as errata that may cause the product to deviate from published specifications.
Current characterized errata are documented in the Intel Desktop Board D865PERC/D865PESO Specification Update.
Intel®Desktop Board
D865PERC/D865PESO
Technical Product Specification

Revision History
Revision Revision History Date
-001 First release of the Intel®Desktop Board D865PERC/D865PESO
Technical Product Specification.
April 2003
This product specification applies to only standard Intel®Desktop Boards D865PERC and
D865PESO with BIOS identifier RC86510A.86A.
Changes to this specification will be published in the Intel Desktop Board D865PERC/D865PESO
Specification Update before being incorporated into a revision of this document.
INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH INTEL®PRODUCTS. NO LICENSE,
EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE, TO ANY INTELLECTUAL PROPERTY RIGHTS IS GRANTED
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provide any license, express or implied, by estoppel or otherwise, to any such patents, trademarks, copyrights, or other
intellectual property rights.
Intel may make changes to specifications and product descriptions at any time, without notice.
Designers must not rely on the absence or characteristics of any features or instructions marked “reserved”or “undefined.”
Intel reserves these for future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising
from future changes to them.
Intel®desktop boards may contain design defects or errors known as errata, which may cause the product to deviate from
published specifications. Current characterized errata are available on request.
Contact your local Intel sales office or your distributor to obtain the latest specifications before placing your product order.
Copies of documents which have an ordering number and are referenced in this document, or other Intel literature, may be
obtained from:
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countries.
* Other names and brands may be claimed as the property of others.

iii
Preface
This Technical Product Specification (TPS) specifies the board layout, components, connectors,
power and environmental requirements, and the BIOS for these Intel®Desktop Boards:
D865PERC and D865PESO. It describes the standard product and available manufacturing
options.
Intended Audience
The TPS is intended to provide detailed, technical information about the Desktop Boards
D865PERC and D865PESO and their components to the vendors, system integrators, and other
engineers and technicians who need this level of information. It is specifically not intended for
general audiences.
What This Document Contains
Chapter Description
1 A description of the hardware used on the Desktop Boards D865PERC and
D865PESO
2 A map of the resources of the Desktop Boards
3 The features supported by the BIOS Setup program
4 The contents of the BIOS Setup program’s menus and submenus
5 A description of the BIOS error messages, beep codes, and POST codes
Typographical Conventions
This section contains information about the conventions used in this specification. Not all of these
symbols and abbreviations appear in all specifications of this type.
Notes, Cautions, and Warnings
✏ NOTE
Notes call attention to important information.
# INTEGRATOR’S NOTES
Integrator’s notes are used to call attention to information that may be useful to system
integrators.

Intel Desktop Board D865PERC/D865PESO Technical Product Specification
iv
CAUTION
Cautions are included to help you avoid damaging hardware or losing data.
WARNING
Warnings indicate conditions, which if not observed, can cause personal injury.
Other Common Notation
# Used after a signal name to identify an active-low signal (such as USBP0#)
(NxnX) When used in the description of a component, N indicates component type, xn are the relative
coordinates of its location on the Desktop Boards D865PERC and D865PESO, and X is the
instance of the particular part at that general location. For example, J5J1 is a connector,
located at 5J. It is the first connector in the 5J area.
GB Gigabyte (1,073,741,824 bytes)
GB/sec Gigabytes per second
KB Kilobyte (1024 bytes)
Kbit Kilobit (1024 bits)
kbits/sec 1000 bits per second
MB Megabyte (1,048,576 bytes)
MB/sec Megabytes per second
Mbit Megabit (1,048,576 bits)
Mbit/sec Megabits per second
xxh An address or data value ending with a lowercase h indicates a hexadecimal value.
x.x V Volts. Voltages are DC unless otherwise specified.
* This symbol is used to indicate third-party brands and names that are the property of their
respective owners.

v
Contents
1Product Description
1.1 Board Differences.......................................................................................................11
1.2 Overview ....................................................................................................................12
1.2.1 Feature Summary ........................................................................................12
1.2.2 Manufacturing Options .................................................................................13
1.2.3 Board Layouts..............................................................................................14
1.2.4 Block Diagram..............................................................................................16
1.3 Online Support ...........................................................................................................17
1.4 Operating System Support .........................................................................................17
1.5 Design Specifications .................................................................................................18
1.6 Processor ...................................................................................................................21
1.7 System Memory .........................................................................................................22
1.7.1 Memory Configurations ................................................................................24
1.8 Intel®865PE Chipset ..................................................................................................29
1.8.1 Universal 0.8 V / 1.5 V AGP 3.0 Connector..................................................30
1.8.2 USB..............................................................................................................30
1.8.3 IDE Support .................................................................................................31
1.8.4 Real-Time Clock, CMOS SRAM, and Battery...............................................32
1.9 I/O Controller ..............................................................................................................32
1.9.1 Serial Port ....................................................................................................33
1.9.2 Parallel Port..................................................................................................33
1.9.3 Diskette Drive Controller ..............................................................................33
1.9.4 Keyboard and Mouse Interface ....................................................................34
1.10 Audio Subsystem........................................................................................................34
1.10.1 Audio Subsystem Software ..........................................................................34
1.10.2 Intel®Flex 6 Audio Subsystem .....................................................................34
1.10.3 Audio Connectors.........................................................................................36
1.11 LAN Subsystem..........................................................................................................37
1.11.1 10/100 Mbits/sec LAN Subsystem................................................................37
1.11.2 Gigabit LAN Subsystem ...............................................................................38
1.11.3 LAN Subsystem Software ............................................................................39
1.12 Hardware Management Subsystem............................................................................39
1.12.1 Hardware Monitoring and Fan Control ASIC ................................................39
1.12.2 Thermal Monitoring ......................................................................................40
1.12.3 Fan Monitoring .............................................................................................41
1.12.4 Chassis Intrusion and Detection...................................................................41
1.13 Power Management ...................................................................................................42
1.13.1 ACPI.............................................................................................................42
1.13.2 Hardware Support ........................................................................................44

Intel Desktop Board D865PERC/D865PESO Technical Product Specification
vi
2Technical Reference
2.1 Introduction.................................................................................................................49
2.2 Memory Resources ....................................................................................................49
2.2.1 Addressable Memory ...................................................................................49
2.2.2 Memory Map ................................................................................................51
2.3 DMA Channels ...........................................................................................................51
2.4 Fixed I/O Map.............................................................................................................52
2.5 PCI Configuration Space Map ....................................................................................53
2.6 Interrupts ....................................................................................................................54
2.7 PCI Interrupt Routing Map..........................................................................................55
2.8 Connectors .................................................................................................................57
2.8.1 Back Panel Connectors................................................................................58
2.8.2 Internal I/O Connectors ................................................................................59
2.8.3 External I/O Connectors ...............................................................................68
2.9 Jumper Blocks............................................................................................................72
2.9.1 Front Panel Audio Connector/Jumper Block.................................................72
2.9.2 BIOS Setup Configuration Jumper Block......................................................73
2.10 Mechanical Considerations.........................................................................................74
2.10.1 D865PERC Form Factor ..............................................................................74
2.10.2 D865PESO Form Factor ..............................................................................75
2.10.3 I/O Shield .....................................................................................................76
2.11 Electrical Considerations ............................................................................................77
2.11.1 DC Loading ..................................................................................................77
2.11.2 Add-in Board Considerations........................................................................77
2.11.3 Fan Connector Current Capability ................................................................77
2.11.4 Power Supply Considerations ......................................................................78
2.12 Thermal Considerations..............................................................................................78
2.13 Reliability ....................................................................................................................80
2.14 Environmental ............................................................................................................81
2.15 Regulatory Compliance ..............................................................................................82
2.15.1 Safety Regulations .......................................................................................82
2.15.2 EMC Regulations .........................................................................................82
2.15.3 European Union Declaration of Conformity Statement .................................83
2.15.4 Product Ecology Statements ........................................................................84
2.15.5 Product Certification Markings (Board Level) ...............................................84
3Overview of BIOS Features
3.1 Introduction.................................................................................................................85
3.2 BIOS Flash Memory Organization ..............................................................................85
3.3 Resource Configuration..............................................................................................86
3.3.1 PCI Autoconfiguration ..................................................................................86
3.3.2 PCI IDE Support...........................................................................................86
3.4 System Management BIOS (SMBIOS).......................................................................87
3.5 Legacy USB Support ..................................................................................................87
3.6 BIOS Updates ............................................................................................................88
3.6.1 Language Support........................................................................................88
3.6.2 Custom Splash Screen.................................................................................89

Contents
vii
3.7 Recovering BIOS Data ...............................................................................................89
3.8 Boot Options...............................................................................................................90
3.8.1 CD-ROM Boot..............................................................................................90
3.8.2 Network Boot................................................................................................90
3.8.3 Booting Without Attached Devices ...............................................................90
3.8.4 Changing the Default Boot Device During POST..........................................90
3.9 Fast Booting Systems with Intel®Rapid BIOS Boot....................................................91
3.9.1 Peripheral Selection and Configuration ........................................................91
3.9.2 Intel Rapid BIOS Boot ..................................................................................91
3.10 BIOS Security Features..............................................................................................92
4BIOS Setup Program
4.1 Introduction.................................................................................................................93
4.2 Maintenance Menu .....................................................................................................94
4.3 Main Menu..................................................................................................................95
4.4 Advanced Menu..........................................................................................................96
4.4.1 PCI Configuration Submenu.........................................................................97
4.4.2 Boot Configuration Submenu .......................................................................99
4.4.3 Peripheral Configuration Submenu.............................................................100
4.4.4 Drive Configuration Submenu ....................................................................102
4.4.5 Floppy Configuration Submenu ..................................................................106
4.4.6 Event Log Configuration Submenu.............................................................107
4.4.7 Video Configuration Submenu....................................................................108
4.4.8 USB Configuration Submenu .....................................................................109
4.4.9 Chipset Configuration Submenu.................................................................110
4.4.10 Fan Control Configuration Submenu ..........................................................112
4.4.11 Hardware Monitoring..................................................................................113
4.5 Security Menu ..........................................................................................................114
4.6 Power Menu .............................................................................................................115
4.6.1 ACPI Submenu ..........................................................................................115
4.7 Boot Menu................................................................................................................116
4.7.1 Boot Device Priority Submenu....................................................................117
4.7.2 Hard Disk Drives Submenu ........................................................................118
4.7.3 Removable Devices Submenu ...................................................................118
4.7.4 ATAPI CD-ROM Drives Submenu..............................................................119
4.8 Exit Menu .................................................................................................................119
5Error Messages and Beep Codes
5.1 BIOS Error Messages...............................................................................................121
5.2 Port 80h POST Codes..............................................................................................123
5.3 Bus Initialization Checkpoints ...................................................................................127
5.4 Speaker ...................................................................................................................128
5.5 BIOS Beep Codes ....................................................................................................128

Intel Desktop Board D865PERC/D865PESO Technical Product Specification
viii
Figures
1. Desktop Board D865PERC Components ...................................................................14
2. Desktop Board D865PESO Components ...................................................................15
3. Block Diagram ............................................................................................................16
4. Memory Channel Configuration ..................................................................................24
5. Examples of Dual Channel Configuration with Dynamic Mode ...................................25
6. Example of Dual Channel Configuration without Dynamic Mode ................................26
7. Examples of Single Channel Configuration with Dynamic Mode.................................27
8. Examples of Single Channel Configuration without Dynamic Mode............................28
9. Intel 865PE Chipset Block Diagram............................................................................29
10. Back Panel Audio Connector Options for Flex 6 Audio Subsystem ............................35
11. Adapter for S/PDIF Back Panel Connector .................................................................35
12. Flex 6 Audio Subsystem Block Diagram .....................................................................36
13. LAN Connector LED Locations ...................................................................................37
14. LAN Connector LED Locations ...................................................................................38
15. Thermal Monitoring.....................................................................................................40
16. Location of the Standby Power Indicator LED on the D865PERC Board ....................48
17. Detailed System Memory Address Map......................................................................50
18. Back Panel Connectors ..............................................................................................58
19. Audio Connectors .......................................................................................................60
20. Power and Hardware Control Connectors ..................................................................62
21. D865PERC Add-in Board and Peripheral Interface Connectors .................................65
22. D865PESO Add-in Board and Peripheral Interface Connectors .................................66
23. External I/O Connectors .............................................................................................68
24. Connection Diagram for Front Panel Connector .........................................................69
25. Connection Diagram for Front Panel USB Connectors ...............................................71
26. Location of the Jumper Blocks....................................................................................72
27. Desktop Board D865PERC Dimensions .....................................................................74
28. Desktop Board D865PESO Dimensions .....................................................................75
29. I/O Shield Dimensions ................................................................................................76
30. Localized High Temperature Zones............................................................................79
Tables
1. Summary of Board Differences...................................................................................11
2. Feature Summary.......................................................................................................12
3. Manufacturing Options ...............................................................................................13
4. Specifications .............................................................................................................18
5. Supported System Bus Frequency and Memory Speed Combinations.......................22
6. Supported Memory Configurations .............................................................................23
7. Characteristics of Dual/Single Channel Configuration with/without Dynamic Mode.....24
8. LAN Connector LED States ........................................................................................38
9. LAN Connector LED States ........................................................................................39
10. Effects of Pressing the Power Switch .........................................................................42
11. Power States and Targeted System Power ................................................................43
12. Wake-up Devices and Events.....................................................................................44
13. Fan Connector Function/Operation.............................................................................46
14. System Memory Map..................................................................................................51

Contents
ix
15. DMA Channels ...........................................................................................................51
16. I/O Map ......................................................................................................................52
17. PCI Configuration Space Map ....................................................................................53
18. Interrupts ....................................................................................................................54
19. PCI Interrupt Routing Map..........................................................................................56
20. Auxiliary Line In Connector.........................................................................................61
21. ATAPI CD-ROM Connector ........................................................................................61
22. Front Panel Audio Connector .....................................................................................61
23. Rear Chassis Fan Connector .....................................................................................62
24. ATX12V Power Connector..........................................................................................63
25. Processor Fan Connector...........................................................................................63
26. Main Power Connector ...............................................................................................63
27. Front Chassis Fan Connector.....................................................................................64
28. Chassis Intrusion Connector.......................................................................................64
29. SCSI Hard Drive Activity LED Connector (Optional) ...................................................67
30. Serial ATA Connectors ...............................................................................................67
31. Auxiliary Front Panel Power/Sleep/Message-Waiting LED Connector ........................69
32. Front Panel Connector ...............................................................................................69
33. States for a One-Color Power LED.............................................................................70
34. States for a Two-Color Power LED.............................................................................70
35. Front Panel Audio Connector/Jumper Block ...............................................................73
36. BIOS Setup Configuration Jumper Settings................................................................73
37. DC Loading Characteristics ........................................................................................77
38. Fan Connector Current Capability ..............................................................................77
39. Thermal Considerations for Components ...................................................................80
40. MTBF Calculations .....................................................................................................80
41. Desktop Board D865PERC/D865PESO Environmental Specifications.......................81
42. Safety Regulations .....................................................................................................82
43. EMC Regulations........................................................................................................82
44. Product Certification Markings....................................................................................84
45. Boot Device Menu Options.........................................................................................90
46. Supervisor and User Password Functions ..................................................................92
47. BIOS Setup Program Menu Bar .................................................................................93
48. BIOS Setup Program Function Keys ..........................................................................94
49. Maintenance Menu .....................................................................................................94
50. Main Menu..................................................................................................................95
51. Advanced Menu..........................................................................................................96
52. PCI Configuration Submenu .......................................................................................97
53. Boot Configuration Submenu......................................................................................99
54. Peripheral Configuration Submenu...........................................................................100
55. Drive Configuration Submenu...................................................................................102
56. SATA/PATA Submenus............................................................................................105
57. Floppy Configuration Submenu ................................................................................106
58. Event Log Configuration Submenu...........................................................................107
59. Video Configuration Submenu..................................................................................108
60. USB Configuration Submenu....................................................................................109
61. Chipset Configuration Submenu ...............................................................................110
62. Fan Control Configuration Submenu ........................................................................112

Intel Desktop Board D865PERC/D865PESO Technical Product Specification
x
63. Hardware Monitoring Display....................................................................................113
64. Security Menu ..........................................................................................................114
65. Power Menu .............................................................................................................115
66. ACPI Submenu.........................................................................................................115
67. Boot Menu................................................................................................................116
68. Boot Device Priority Submenu..................................................................................117
69. Hard Disk Drives Submenu ......................................................................................118
70. Removable Devices Submenu..................................................................................118
71. ATAPI CD-ROM Drives Submenu ............................................................................119
72. Exit Menu .................................................................................................................119
73. BIOS Error Messages...............................................................................................121
74. Uncompressed INIT Code Checkpoints....................................................................123
75. Boot Block Recovery Code Checkpoints ..................................................................123
76. Runtime Code Uncompressed in F000 Shadow RAM ..............................................124
77. Bus Initialization Checkpoints ...................................................................................127
78. Upper Nibble High Byte Functions............................................................................127
79. Lower Nibble High Byte Functions............................................................................128
80. Beep Codes..............................................................................................................129

11
1 Product Description
What This Chapter Contains
1.1 Board Differences.......................................................................................................11
1.2 Overview ....................................................................................................................12
1.3 Online Support ...........................................................................................................17
1.4 Operating System Support .........................................................................................17
1.5 Design Specifications .................................................................................................18
1.6 Processor ...................................................................................................................21
1.7 System Memory .........................................................................................................22
1.8 Intel®865PE Chipset ..................................................................................................29
1.9 I/O Controller ..............................................................................................................32
1.10 Audio Subsystem........................................................................................................34
1.11 LAN Subsystem..........................................................................................................37
1.12 Hardware Management Subsystem............................................................................39
1.13 Power Management ...................................................................................................42
1.1 Board Differences
This TPS describes these Intel®Desktop Boards: D865PERC and D865PESO. The Desktop
Boards are identical with the exception of the items listed in Table 1.
Table 1. Summary of Board Differences
D865PERC • ATX Form Factor (11.60 inches by 9.60 inches [294.64 millimeters by
243.84 millimeters])
• Six PCI bus connectors
D865PESO • microATX Form Factor (9.60 inches by 9.60 inches [243.84 millimeters by
243.84 millimeters])
• Three PCI bus connectors
✏ NOTE
Most of the illustrations in this document show only the Desktop Board D865PERC. When there
are significant differences between the two Desktop Boards, illustrations of both boards are
provided.

Intel Desktop Board D865PERC/D865PESO Technical Product Specification
12
1.2 Overview
1.2.1 Feature Summary
Table 2 summarizes the major features of the Desktop Boards D865PERC and D865PESO.
Table 2. Feature Summary
Form Factor D865PERC: ATX (11.60 inches by 9.60 inches [294.64 millimeters by
243.84 millimeters])
D865PESO: microATX (9.60 inches by 9.60 inches [243.84 millimeters by
243.84 millimeters])
Processor • Support for an Intel®Pentium®4 processor in an mPGA478 socket with a
400/533/800 MHz system bus
• Support for an Intel®Celeron®processor in an mPGA478 socket with a
400 MHz system bus
Memory • Four 184-pin DDR SDRAM Dual Inline Memory Module (DIMM) sockets
• Support for DDR 400, DDR 333, and DDR 266
• Support for up to 4 GB of system memory
Chipset Intel®865PE Chipset, consisting of:
• Intel®82865PE Memory Controller Hub (MCH)
• Intel®82801EB I/O Controller Hub (ICH5)
• 4 Mbit Firmware Hub (FWH)
Video Universal 0.8 V / 1.5 V AGP 3.0 connector (with integrated retention mechanism)
supporting 1x, 4x, and 8x AGP cards or an AGP Digital Display (ADD) card
Audio Flex 6 audio subsystem using the Analog Devices AD1985 codec
I/O Control LPC Bus I/O controller
USB Support for USB 2.0 devices
Peripheral
Interfaces
• Eight USB ports
• One serial port
• One parallel port
• Two Serial ATA interfaces
• Two Parallel ATA IDE interfaces with UDMA 33, ATA-66/100 support
• One diskette drive interface
• PS/2* keyboard and mouse ports
LAN Support The board provides one of the following:
• Gigabit (10/100/1000 Mbits/sec) LAN subsystem using the Intel®82547EI
Platform LAN Connect (PLC) device
• 10/100 Mbits/sec LAN subsystem using the Intel®82562EZ Platform LAN
Connect (PLC) device
continued

Product Description
13
Table 2. Feature Summary (continued)
BIOS • Intel/AMI BIOS (resident in the 4 Mbit FWH)
• Support for Advanced Configuration and Power Interface (ACPI), Plug and Play,
and SMBIOS
Instantly Available
PC Technology
• Support for PCI Local Bus Specification Revision 2.2
• Suspend to RAM support
• Wake on PCI, RS-232, front panel, PS/2 devices, and USB ports
Expansion
Capabilities
• D865PERC: Six PCI bus add-in card connectors (SMBus routed to PCI bus
connector 2)
• D865PESO: Three PCI bus add-in card connectors (SMBus routed to PCI bus
connector 2)
Hardware Monitor
Subsystem
• Hardware monitoring and fan control ASIC
• Voltage sense to detect out of range power supply voltages
• Thermal sense to detect out of range thermal values
• Three fan connectors
• Three fan sense inputs used to monitor fan activity
• Fan speed control
For information about Refer to
The board’s compliance level with ACPI, Plug and Play, and SMBIOS Section 1.5, page 18
1.2.2 Manufacturing Options
Table 3 describes the manufacturing options on the Desktop Boards D865PERC and D865PESO.
Not every manufacturing option is available in all marketing channels. Please contact your Intel
representative to determine which manufacturing options are available to you.
Table 3. Manufacturing Options
SCSI Hard Drive
Activity LED
Connector
Allows add-in hard drive controller (SCSI or other) to use the same LED as the
onboard IDE controller.
For information about Refer to
Available configurations for the Desktop Boards D865PERC and D865PESO Section 1.3, page 17

Intel Desktop Board D865PERC/D865PESO Technical Product Specification
14
1.2.3 Board Layouts
Figure 1 shows the location of the major components on the Desktop Board D865PERC.
OM15938
H
A
B C G
ED F
J
M
K
L
I
QP
T
RSUWY
X V
O
Z
AA
BB
CC
DD
EE
FF
N
A Auxiliary line-in connector Q Diskette drive connector
B Audio codec R Parallel ATE IDE connectors
C Front panel audio connector S SCSI Hard Drive Activity LED connector (optional)
D ATAPI CD-ROM connector T Front chassis fan connector
E Ethernet PLC device (Optional) U Chassis intrusion connector
F AGP connector V 4 Mbit Firmware Hub (FWH)
G Rear chassis fan connector W Speaker
H Back panel connectors X BIOS Setup configuration jumper block
I +12V power connector (ATX12V) Y Auxiliary front panel power LED connector
J mPGA478 processor socket Z Front panel connector
K Processor fan connector AA Serial ATA connectors
L Intel 82865PE MCH BB Front panel USB connector
M DIMM Channel A sockets CC Intel 82801EB I/O Controller Hub (ICH5)
N DIMM Channel B sockets DD Front panel USB connector
O I/O controller EE Battery
P Power connector FF PCI bus add-in card connectors
Figure 1. Desktop Board D865PERC Components

Product Description
15
Figure 2 shows the location of the major components on the Desktop Board D865PESO.
OM15950
G
B
AF
DC E
I
L
J
K
H
PO
S
QRTVX
W U
N
Y
Z
AA
BB
CC
DD
FF
EE
M
A Audio codec Q Parallel ATE IDE connectors
B Front panel audio connector R SCSI Hard Drive Activity LED connector (optional)
C ATAPI CD-ROM connector S Front chassis fan connector
D Ethernet PLC device (Optional) T Chassis intrusion connector
E AGP connector U 4 Mbit Firmware Hub (FWH)
F Rear chassis fan connector V Speaker
G Back panel connectors W BIOS Setup configuration jumper block
H +12V power connector (ATX12V) X Auxiliary front panel power LED connector
I mPGA478 processor socket Y Front panel connector
J Processor fan connector Z Serial ATA connectors
K Intel 82865PE MCH AA Front panel USB connector
L DIMM Channel A sockets BB Intel 82801EB I/O Controller Hub (ICH5)
M DIMM Channel B sockets CC Front panel USB connector
N I/O controller DD Battery
O Power connector EE PCI bus add-in card connectors
P Diskette drive connector FF Auxiliary line-in connector
Figure 2. Desktop Board D865PESO Components

Intel Desktop Board D865PERC/D865PESO Technical Product Specification
16
1.2.4 Block Diagram
Figure 3 is a block diagram of the major functional areas of the boards.
D865PESO
Only
Intel 865G Chipset
Intel 82801EB
I/O Controller Hub
(ICH5)
Intel 82865PE
Memory Controller
Hub (MCH)
Intel 82802AB
4 Mbit
Firmware Hub
(FWH)
AHA
Bus
System Bus
(400/533/800 MHz)
mPGA478
Processor Socket
Parallel ATA IDE
Connectors (2)
Diskette Drive
Connector
LPC Bus
I/O
Controller PS/2 Keyboard
PS/2 Mouse
Parallel Port
Serial Port
Parallel ATA
IDE Interface
LPC
Bus
Hardware
Monitoring
and Fan
Control ASIC
OM16121
AD1985
Audio Codec
Mic In
Front Left and Right Out
CD-ROM
Line In
LAN
Connector
10/100
LAN PLC
(Optional)
CSMA/CD
Unit Interface
AGP
Interface
Universal 0.8/
1.5 V AGP 3.0
Connector
= connector or socket
PCI Bus
SMBus
AC
Link
Back Panel/
Front Panel
USB Ports
USB
Dual-Channel
Memory Bus
SMBus
PCI Slot 1
PCI Slot 2
PCI Slot 3
PCI Slot 4
PCI Slot 5
Center and LFE Out
Rear Left and Right Out
S/PDIF
Serial ATA IDE
Connectors (2)
Serial ATA
IDE Interface
PCI Slot 6
Channel A
DIMMs (2)
Channel B
DIMMs (2)
LAN
Connector
Gigabit
LAN
PLC
(Optional) CSA
Interface
Auxiliary Line In
Figure 3. Block Diagram

Product Description
17
1.3 Online Support
To find information about…Visit this World Wide Web site:
Intel Desktop Boards D865PERC and
D865PESO under “Desktop Board
Products”or “Desktop Board Support”
http://www.intel.com/design/motherbd
http://support.intel.com/support/motherboards/desktop
Available configurations for the Desktop
Board D865PERC
http://developer.intel.com/design/motherbd/rc/rc_available.htm
Available configurations for the Desktop
Board D865PESO
http://developer.intel.com/design/motherbd/so/so_available.htm
Processor data sheets http://www.intel.com/design/litcentr
ICH5 addressing http://developer.intel.com/design/chipsets/datashts
Custom splash screens http://intel.com/design/motherbd/gen_indx.htm
Audio software and utilities http://www.intel.com/design/motherbd
LAN software and drivers http://www.intel.com/design/motherbd
1.4 Operating System Support
The Desktop Boards D865PERC and D865PESO support drivers for all of the onboard hardware
and subsystems under the following operating systems:
• Microsoft Windows* XP
• Windows ME
• Windows 2000
• Windows 98 SE
For information about Refer to
Supported drivers Section 1.3
✏ NOTES
• Native USB 2.0 support has been tested with drivers for Windows 2000 (with Service Pack 3)
and Windows XP (with Service Pack 1) and is not currently supported by any other operating
system in the list above. Check Intel’s Desktop Board website for possible driver updates for
other operating systems.
• Third party vendors may offer other drivers.

Intel Desktop Board D865PERC/D865PESO Technical Product Specification
18
1.5 Design Specifications
Table 4 lists the specifications applicable to the Desktop Boards D865PERC and D865PESO.
Table 4. Specifications
Reference
Name
Specification
Title
Version, Revision Date,
and Ownership
The information is
available from…
AC ’97 Audio Codec ’97 Revision 2.2,
September 2000,
Intel Corporation.
ftp://download.intel.com/labs/
media/audio/download/ac97r
22.pdf
ACPI Advanced Configuration and
Power Interface
Specification
Version 2.0,
July 27, 2000,
Compaq Computer
Corporation,
Intel Corporation,
Microsoft Corporation,
Phoenix Technologies
Limited, and
Toshiba Corporation.
http://www.acpi.info/spec.htm
AGP Accelerated Graphics Port
Interface Specification
Revision 3.0,
September 2002,
Intel Corporation.
http://www.agpforum.org/spec
s_specs.htm
AMI BIOS AMIBIOS Desktop Core 8.0 AMIBIOS 8.0,
2001,
American Megatrends, Inc.
http://www.ami.com/support/d
oc/amibios8.pdf
ASF Alert Standard Format (ASF)
Specification
Version 1.03,
June 20, 2001,
DMTF,
Intel Corporation.
http://www.dmtf.org/standards
/documents/ASF/DSP0114.p
df
ATA/
ATAPI-5
Information Technology-AT
Attachment with Packet
Interface - 5 (ATA/ATAPI-5)
Revision 3,
February 29, 2000,
Contact: T13 Chair,
Seagate Technology.
http://www.t13.org
ATX ATX Specification Version 2.03,
December 1998,
Intel Corporation.
http://www.formfactors.org/de
veloper/specs/atx/atxspecs.ht
m
ATX12V ATX/ATX12V Power Supply
Design Guide
Version 1.2,
August 2000,
Intel Corporation.
http://www.formfactors.org/de
veloper/specs/atx/atxspecs.ht
m
BIS Boot Integrity Services (BIS)
Application Programming
Interface (API)
Version 1.0,
August 4, 1999,
Intel Corporation.
http://www.intel.com/labs/man
age/wfm/wfmspecs.htm
continued

Product Description
19
Table 4. Specifications (continued)
Reference
Name
Specification
Title
Version, Revision Date and
Ownership
The information is
available from…
DDR
SDRAM
Double Data Rate (DDR)
SDRAM Specification
Version 1.0,
June 2000,
JEDEC Solid State Technology
Association.
http://www.jedec.org/
Design Specification for
a 184 Pin DDR
Unbuffered DIMM
Revision 1.0,
October 2001,
JEDEC Solid State Technology
Association.
http://www.jedec.org/
Intel®JEDEC DDR
200/266 Unbuffered
DIMM Specification
Addendum
Revision 0.9,
September 27, 2001,
Intel Corporation.
http://developer.intel.com/t
echnology/memory/index.ht
m
EHCI Enhanced Host
Controller Interface
Specification for
Universal Serial Bus
Revision 1.0,
March 12, 2002,
Intel Corporation.
http://developer.intel.com/t
echnology/usb/download/e
hci-r10.pdf
EPP IEEE Std 1284.1-1997
(Enhanced Parallel Port)
Version 1.7,
1997,
Institute of Electrical and
Electronic Engineers.
http://standards.ieee.org/re
ading/ieee/std_public/descr
iption/busarch/1284.1-
1997_desc.html
El Torito Bootable CD-ROM
Format Specification
Version 1.0,
January 25, 1995,
Phoenix Technologies Limited
and International Business
Machines Corporation.
http://www.phoenix.com/res
ources/specs-cdrom.pdf
LPC Low Pin Count Interface
Specification
Revision 1.0,
September 29, 1997,
Intel Corporation.
http://www.intel.com/design
/chipsets/industry/lpc.htm
MicroATX microATX Motherboard
Interface Specification
Version 1.0,
December 1997,
Intel Corporation.
http://www.formfactors.org/
developer/specs/microatx/
microatxspecs.htm
PCI PCI Local Bus
Specification
Revision 2.2,
December 18, 1998,
PCI Special Interest Group.
http://www.pcisig.com/speci
fications
PCI Bus Power
Management Interface
Specification
Revision 1.1,
December 18, 1998,
PCI Special Interest Group.
http://www.pcisig.com/speci
fications
Plug and
Play
Plug and Play BIOS
Specification
Version 1.0a,
May 5, 1994,
Compaq Computer Corporation,
Phoenix Technologies Limited,
and Intel Corporation.
http://www.microsoft.com/h
wdev/tech/PnP/default.asp
continued

Intel Desktop Board D865PERC/D865PESO Technical Product Specification
20
Table 4. Specifications (continued)
Reference
Name
Specification
Title
Version, Revision Date
and Ownership
The information is
available from…
PXE Preboot Execution
Environment
Version 2.1,
September 20, 1999,
Intel Corporation.
ftp://download.intel.com/lab
s/manage/wfm/download/p
xespec.pdf
SFX SFX/SFX12V Power
Supply Design Guide
Version 2.0,
May 2001,
Intel Corporation.
http://www.formfactors.org/
developer/specs/sfx/sfx12v.
pdf
SMBIOS System Management
BIOS
Version 2.3.1,
March 16, 1999,
American Megatrends
Incorporated,
Award Software International
Incorporated,
Compaq Computer Corporation,
Dell Computer Corporation,
Hewlett-Packard Company,
Intel Corporation,
International Business Machines
Corporation,
Phoenix Technologies Limited,
and SystemSoft Corporation.
http://www.dmtf.org/downlo
ad/standards/DSP0119.pdf
TFX12V TFX12V Power Supply
Design Guide
Revision 1.01,
May 2002,
Intel Corporation.
http://www.formfactors.org/
developer/specs/tfx12v/tfx1
2v_psdg_101.pdf
UHCI Universal Host Controller
Interface Design Guide
Revision 1.1,
March 1996,
Intel Corporation.
http://developer.intel.com/d
esign/USB/UHCI11D.htm
USB Universal Serial Bus
Specification
Revision 2.0,
April 27, 2000,
Compaq Computer Corporation,
Hewlett-Packard Company,
Lucent Technologies Inc.,
Intel Corporation,
Microsoft Corporation,
NEC Corporation, and
Koninklijke Philips Electronics
N.V.
http://www.usb.org/develop
ers/docs
WfM Wired for Management
Baseline
Version 2.0,
December 18, 1998,
Intel Corporation.
http://www.intel.com/labs/m
anage/wfm/wfmspecs.htm