Intel D848PMB User manual

November 2003
Order Number: C53953-001
The Intel®Desktop Board D848PMB 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 D848PMB Specification Update.
Intel®Desktop Board
D848PMB
Technical Product Specification

Revision History
Revision Revision History Date
-001 First release of the Intel®Desktop Board D848PMB Technical Product
Specification.
November 2003
This product specification applies to only the standard Intel®Desktop Board D848PMB with BIOS
identifier RC86510A.86A.
Changes to this specification will be published in the Intel Desktop Board D848PMB Specification
Update before being incorporated into a revision of this document.
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Copyright © 2003, Intel Corporation. All rights reserved.

iii
Preface
This Technical Product Specification (TPS) specifies the board layout, components, connectors,
power and environmental requirements, and the BIOS for the Intel®Desktop Board D848PMB. It
describes the standard product and available manufacturing options.
Intended Audience
The TPS is intended to provide detailed, technical information about the Desktop Board D848PMB
and its 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 Board D848PMB
2 A map of the resources of the Desktop Board
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.
CAUTION
Cautions are included to help you avoid damaging hardware or losing data.

Intel Desktop Board D848PMB Technical Product Specification
iv
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 Board D848PMB, 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 Overview ....................................................................................................................12
1.1.1 Feature Summary ........................................................................................12
1.1.2 Manufacturing Options .................................................................................13
1.1.3 Board Layout................................................................................................14
1.1.4 Block Diagram..............................................................................................15
1.2 Online Support ...........................................................................................................16
1.3 Operating System Support .........................................................................................16
1.4 Design Specifications .................................................................................................17
1.5 Processor ...................................................................................................................20
1.6 System Memory .........................................................................................................21
1.7 Intel®848P Chipset ....................................................................................................23
1.7.1 Universal 0.8 V / 1.5 V AGP 3.0 Connector..................................................23
1.7.2 USB..............................................................................................................24
1.7.3 IDE Support .................................................................................................24
1.7.4 Real-Time Clock, CMOS SRAM, and Battery...............................................26
1.8 I/O Controller ..............................................................................................................26
1.8.1 Serial Port ....................................................................................................27
1.8.2 Parallel Port..................................................................................................27
1.8.3 Diskette Drive Controller ..............................................................................27
1.8.4 Keyboard and Mouse Interface ....................................................................27
1.9 Audio Subsystem........................................................................................................28
1.9.1 Audio Subsystem Software ..........................................................................28
1.9.2 Audio Connectors.........................................................................................28
1.9.3 Realtek ALC202A-based Audio Subsystem (Optional).................................29
1.9.4 Intel®Flex 6 Audio Subsystem (Optional).....................................................29
1.10 LAN Subsystem..........................................................................................................31
1.10.1 10/100 Mbits/sec LAN Subsystem (Optional) ...............................................31
1.10.2 Gigabit LAN Subsystem (Optional)...............................................................32
1.10.3 Alert Standard Format (ASF) Support ..........................................................33
1.10.4 LAN Subsystem Software ............................................................................33
1.11 Hardware Management Subsystem............................................................................33
1.11.1 Hardware Monitoring and Fan Control ASIC ................................................33
1.11.2 Thermal Monitoring ......................................................................................34
1.11.3 Fan Monitoring .............................................................................................35
1.11.4 Chassis Intrusion and Detection...................................................................35
1.12 Power Management ...................................................................................................35
1.12.1 ACPI.............................................................................................................35
1.12.2 Hardware Support ........................................................................................38

Intel Desktop Board D848PMB Technical Product Specification
vi
2Technical Reference
2.1 Introduction.................................................................................................................43
2.2 Memory Map ..............................................................................................................44
2.3 DMA Channels ...........................................................................................................44
2.4 Fixed I/O Map.............................................................................................................45
2.5 PCI Configuration Space Map ....................................................................................46
2.6 Interrupts ....................................................................................................................47
2.7 PCI Interrupt Routing Map..........................................................................................48
2.8 Connectors .................................................................................................................50
2.8.1 Back Panel Connectors................................................................................51
2.8.2 Internal I/O Connectors ................................................................................52
2.8.3 External I/O Connectors ...............................................................................60
2.9 Jumper Blocks............................................................................................................64
2.9.1 Front Panel Audio Connector/Jumper Block.................................................64
2.9.2 BIOS Setup Configuration Jumper Block......................................................65
2.10 Mechanical Considerations.........................................................................................66
2.10.1 I/O Shield .....................................................................................................67
2.11 Electrical Considerations ............................................................................................68
2.11.1 DC Loading ..................................................................................................68
2.11.2 Add-in Board Considerations........................................................................68
2.11.3 Fan Connector Current Capability ................................................................68
2.11.4 Power Supply Considerations ......................................................................69
2.12 Thermal Considerations..............................................................................................69
2.13 Reliability ....................................................................................................................72
2.14 Environmental ............................................................................................................72
2.15 Regulatory Compliance ..............................................................................................73
2.15.1 Safety Regulations .......................................................................................73
2.15.2 EMC Regulations .........................................................................................73
2.15.3 European Union Declaration of Conformity Statement .................................74
2.15.4 Product Ecology Statements ........................................................................75
2.15.5 Product Certification Markings (Board Level) ...............................................75
3Overview of BIOS Features
3.1 Introduction.................................................................................................................77
3.2 BIOS Flash Memory Organization ..............................................................................77
3.3 Resource Configuration..............................................................................................78
3.3.1 PCI Autoconfiguration ..................................................................................78
3.3.2 PCI IDE Support...........................................................................................78
3.4 System Management BIOS (SMBIOS).......................................................................79
3.5 Legacy USB Support ..................................................................................................79
3.6 BIOS Updates ............................................................................................................80
3.6.1 Language Support........................................................................................80
3.6.2 Custom Splash Screen.................................................................................81
3.7 Recovering BIOS Data ...............................................................................................81
3.8 Boot Options...............................................................................................................82
3.8.1 CD-ROM Boot..............................................................................................82
3.8.2 Network Boot................................................................................................82

Contents
vii
3.8.3 Booting Without Attached Devices ...............................................................82
3.8.4 Changing the Default Boot Device During POST..........................................82
3.9 Fast Booting Systems with Intel®Rapid BIOS Boot....................................................83
3.9.1 Peripheral Selection and Configuration ........................................................83
3.9.2 Intel Rapid BIOS Boot ..................................................................................83
3.10 BIOS Security Features..............................................................................................84
4BIOS Setup Program
4.1 Introduction.................................................................................................................85
4.2 Maintenance Menu .....................................................................................................86
4.3 Main Menu..................................................................................................................87
4.3.1 Additional System Information Submenu......................................................88
4.4 Advanced Menu..........................................................................................................89
4.4.1 PCI Configuration Submenu.........................................................................90
4.4.2 Boot Configuration Submenu .......................................................................91
4.4.3 Peripheral Configuration Submenu...............................................................92
4.4.4 Drive Configuration Submenu ......................................................................94
4.4.5 Floppy Configuration Submenu ....................................................................98
4.4.6 Event Log Configuration Submenu...............................................................99
4.4.7 Video Configuration Submenu....................................................................100
4.4.8 USB Configuration Submenu .....................................................................101
4.4.9 Chipset Configuration Submenu.................................................................102
4.4.10 Fan Control Configuration Submenu ..........................................................104
4.4.11 Hardware Monitoring..................................................................................105
4.5 Security Menu ..........................................................................................................106
4.6 Power Menu .............................................................................................................107
4.6.1 ACPI Submenu ..........................................................................................107
4.7 Boot Menu................................................................................................................108
4.7.1 Boot Device Priority Submenu....................................................................109
4.7.2 Hard Disk Drives Submenu ........................................................................110
4.7.3 Removable Devices Submenu ...................................................................110
4.7.4 ATAPI CD-ROM Drives Submenu..............................................................111
4.8 Exit Menu .................................................................................................................111
5Error Messages and Beep Codes
5.1 BIOS Error Messages...............................................................................................113
5.2 Port 80h POST Codes..............................................................................................115
5.3 Bus Initialization Checkpoints ...................................................................................119
5.4 Speaker....................................................................................................................120
5.5 BIOS Beep Codes ....................................................................................................120

Intel Desktop Board D848PMB Technical Product Specification
viii
Figures
1. Desktop Board D848PMB Components......................................................................14
2. Block Diagram ............................................................................................................15
3. Back Panel Audio Connector Options for Flex 6 Audio Subsystem ............................29
4. Adapter for S/PDIF Back Panel Connector .................................................................30
5. Flex 6 Audio Subsystem Block Diagram .....................................................................30
6. LAN Connector LED Locations ...................................................................................31
7. LAN Connector LED Locations ...................................................................................32
8. Thermal Monitoring.....................................................................................................34
9. Location of the Standby Power Indicator LED on the D848PMB Board ......................41
10. Back Panel Connectors ..............................................................................................51
11. Audio Connectors .......................................................................................................53
12. Power and Hardware Control Connectors ..................................................................55
13. D848PMB Add-in Board and Peripheral Interface Connectors....................................58
14. External I/O Connectors .............................................................................................60
15. Connection Diagram for Front Panel Connector .........................................................61
16. Connection Diagram for Front Panel USB Connectors ...............................................63
17. Location of the Jumper Blocks....................................................................................64
18. Desktop Board D848PMB Dimensions .......................................................................66
19. I/O Shield Dimensions ................................................................................................67
20. Localized High Temperature Zones............................................................................70
Tables
1. Feature Summary.......................................................................................................12
2. Manufacturing Options ...............................................................................................13
3. Specifications .............................................................................................................17
4. Supported System Bus Frequency and Memory Speed Combinations.......................21
5. Supported Memory Configurations .............................................................................22
6. LAN Connector LED States ........................................................................................32
7. LAN Connector LED States ........................................................................................33
8. Effects of Pressing the Power Switch .........................................................................36
9. Power States and Targeted System Power ................................................................36
10. Wake-up Devices and Events.....................................................................................37
11. Fan Connector Function/Operation.............................................................................39
12. System Memory Map..................................................................................................44
13. DMA Channels ...........................................................................................................44
14. I/O Map ......................................................................................................................45
15. PCI Configuration Space Map ....................................................................................46
16. PCI Configuration Space Bus Number Options ..........................................................46
17. Interrupts ....................................................................................................................47
18. PCI Interrupt Routing Map..........................................................................................49
19. Front Panel Audio Connector .....................................................................................54
20. ATAPI CD-ROM Connector ........................................................................................54
21. S/PDIF Connector ......................................................................................................54
22. Auxiliary Line In Connector.........................................................................................54
23. Rear Chassis Fan Connector .....................................................................................55

Contents
ix
24. ATX12V Power Connector..........................................................................................56
25. Processor Fan Connector...........................................................................................56
26. Main Power Connector ...............................................................................................56
27. Front Chassis Fan Connector.....................................................................................57
28. Chassis Intrusion Connector.......................................................................................57
29. SCSI Hard Drive Activity LED Connector (Optional) ...................................................59
30. Serial ATA Connectors ...............................................................................................59
31. Auxiliary Front Panel Power/Sleep/Message-Waiting LED Connector ........................61
32. Front Panel Connector ...............................................................................................61
33. States for a One-Color Power LED.............................................................................62
34. States for a Two-Color Power LED.............................................................................62
35. Front Panel Audio Connector/Jumper Block ...............................................................65
36. BIOS Setup Configuration Jumper Settings................................................................65
37. DC Loading Characteristics ........................................................................................68
38. Fan Connector Current Capability ..............................................................................68
39. Thermal Considerations for Components ...................................................................71
40. Desktop Board D848PMB Environmental Specifications ............................................72
41. Safety Regulations .....................................................................................................73
42. EMC Regulations........................................................................................................73
43. Product Certification Markings....................................................................................75
44. Boot Device Menu Options.........................................................................................82
45. Supervisor and User Password Functions ..................................................................84
46. BIOS Setup Program Menu Bar .................................................................................85
47. BIOS Setup Program Function Keys ..........................................................................86
48. Maintenance Menu .....................................................................................................86
49. Main Menu..................................................................................................................87
50. Additional System Information Submenu....................................................................88
51. Advanced Menu..........................................................................................................89
52. PCI Configuration Submenu .......................................................................................90
53. Boot Configuration Submenu......................................................................................91
54. Peripheral Configuration Submenu.............................................................................92
55. Drive Configuration Submenu.....................................................................................94
56. SATA/PATA Submenus..............................................................................................97
57. Floppy Configuration Submenu ..................................................................................98
58. Event Log Configuration Submenu.............................................................................99
59. Video Configuration Submenu..................................................................................100
60. USB Configuration Submenu....................................................................................101
61. Chipset Configuration Submenu ...............................................................................102
62. Fan Control Configuration Submenu ........................................................................104
63. Hardware Monitoring Display....................................................................................105
64. Security Menu ..........................................................................................................106
65. Power Menu .............................................................................................................107
66. ACPI Submenu.........................................................................................................107
67. Boot Menu................................................................................................................108
68. Boot Device Priority Submenu..................................................................................109
69. Hard Disk Drives Submenu ......................................................................................110
70. Removable Devices Submenu..................................................................................110
71. ATAPI CD-ROM Drives Submenu ............................................................................111

Intel Desktop Board D848PMB Technical Product Specification
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72. Exit Menu .................................................................................................................111
73. BIOS Error Messages...............................................................................................113
74. Uncompressed INIT Code Checkpoints....................................................................115
75. Boot Block Recovery Code Checkpoints ..................................................................115
76. Runtime Code Uncompressed in F000 Shadow RAM ..............................................116
77. Bus Initialization Checkpoints ...................................................................................119
78. Upper Nibble High Byte Functions............................................................................119
79. Lower Nibble High Byte Functions............................................................................120
80. Beep Codes..............................................................................................................121