Intel DZ77GA-70K User manual

Intel® Desktop Board
DZ77GA-70K
Technical Product Specification
May 2012
Order Number: G54936-002
The Intel®Desktop Board DZ77GA-70K 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 DZ77GA-70K Specification Update.

Revision History
Revision Revision History Date
001 First release of the Intel®Desktop Board DZ77GA-70K Technical Product
Specification April 2012
002 Specification Clarification update May 2012
This product specification applies to only the standard Intel®Desktop Board DZ77GA-70K with
BIOS identifier GAZ7711H.86A.
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WHERE PERSONAL INJURY OR DEATH MAY OCCUR.
All Intel®desktop boards are evaluated as Information Technology Equipment (I.T.E.) for use in personal
computers (PC) for installation in homes, offices, schools, computer rooms, and similar locations. The
suitability of this product for other PC or embedded non-PC applications or other environments, such as
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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
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Copyright 2012 Intel Corporation. All rights reserved.

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Board Identification Information
Basic Desktop Board DZ77GA-70K Identification Information
AA Revision BIOS Revision Notes
G39009-400 GAZ7711H.86A.0021 1,2
Notes:
1. The AA number is found on a small label on the component side of the board.
2. The Z77 processor used on this AA revision consists of the following component:
Device Stepping S-Spec Numbers
82Z77 C1 SLJC7
Specification Changes or Clarifications
Table 1 indicates the Specification Changes or Specification Clarifications that apply to
the Intel®Desktop Board DZ77GA-70K.
Table 1. Specification Changes or Clarifications
Date Type of Change Description of Changes or Clarifications
May 2012 Spec Clarification Reconfigured Table 20 on page 56.
Errata
Current characterized errata, if any, are documented in a separate Specification
Update. See http://developer.intel.com/products/desktop/motherboard/index.htm
for the latest documentation.

Intel Desktop Board DZ77GA-70K Technical Product Specification
iv

v
Preface
This Technical Product Specification (TPS) specifies the board layout, components,
connectors, power and environmental requirements, and the BIOS for the
Intel®Desktop Board DZ77GA-70K.
Intended Audience
The TPS is intended to provide detailed, technical information about the Intel Desktop
Board DZ77GA-70K 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 Intel Desktop Board DZ77GA-70K
2 A map of the resources of the Intel Desktop Board
3
The features supported by the BIOS Setup program
4 A description of the BIOS error messages, beep codes, and POST codes
5 Regulatory compliance and battery disposal information
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.
CAUTION
Cautions are included to help you avoid damaging hardware or losing data.

Intel Desktop Board DZ77GA-70K Technical Product Specification
vi
Other Common Notation
# Used after a signal name to identify an active-low signal (such as USBP0#)
GB Gigabyte (1,073,741,824 bytes)
GB/s Gigabytes per second
Gb/s Gigabits per second
KB Kilobyte (1024 bytes)
Kb Kilobit (1024 bits)
kb/s 1000 bits per second
MB Megabyte (1,048,576 bytes)
MB/s Megabytes per second
Mb Megabit (1,048,576 bits)
Mb/s 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.

vii
Contents
Revision History
Board Identification Information..................................................................iii
Specification Changes or Clarifications..........................................................iii
Errata ......................................................................................................iii
Preface
Intended Audience..................................................................................... v
What This Document Contains..................................................................... v
Typographical Conventions ......................................................................... v
1Product Description
1.1 Overview......................................................................................... 13
1.1.1 Feature Summary ................................................................. 13
1.1.2 Board Layout........................................................................ 15
1.1.3 Block Diagram ...................................................................... 18
1.2 Online Support................................................................................. 19
1.3 Processor ........................................................................................ 19
1.3.1 Graphics Subsystem.............................................................. 20
1.4 System Memory ............................................................................... 21
1.4.1 Memory Configurations .......................................................... 23
1.5 Intel®Z77 Express Chipset ................................................................ 25
1.5.1 Direct Media Interface (DMI) .................................................. 25
1.5.2 Display Interfaces ................................................................. 25
1.5.3 USB..................................................................................... 26
1.5.4 SATA Interfaces.................................................................... 27
1.6 Real-Time Clock Subsystem............................................................... 28
1.7 Legacy I/O Controller........................................................................ 29
1.7.1 Consumer Infrared (CIR)........................................................ 29
1.8 Audio Subsystem.............................................................................. 30
1.8.1 Audio Subsystem Software..................................................... 30
1.8.2 Audio Subsystem Components................................................ 31
1.9 LAN Subsystem................................................................................ 32
1.9.1 Intel®82579 Gigabit Ethernet Controller and Intel®82574
Gigabit Ethernet Controller ..................................................... 32
1.9.2 LAN Subsystem Software ....................................................... 33
1.9.3 RJ-45 LAN Connectors with Integrated LEDs............................. 33
1.10 Bluetooth*/WiFi Module..................................................................... 34
1.10.1 Bluetooth Technology (Module)............................................... 34
1.10.2 WiFi 802.11 Wireless (Module)................................................ 35
1.11 Hardware Management Subsystem..................................................... 35
1.11.1 Hardware Monitoring and Fan Control ...................................... 36
1.11.2 Fan Monitoring...................................................................... 36

Intel Desktop Board DZ77GA-70K Technical Product Specification
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1.11.3 Chassis Intrusion and Detection .............................................. 36
1.11.4 Thermal Monitoring ............................................................... 37
1.12 Power Management .......................................................................... 38
1.12.1 ACPI.................................................................................... 38
1.12.2 Hardware Support ................................................................. 41
1.13 Board Status LEDs............................................................................ 46
1.14 Onboard Power and Reset Buttons...................................................... 48
2Technical Reference
2.1 Memory Resources ........................................................................... 49
2.1.1 Addressable Memory ............................................................. 49
2.1.2 Memory Map......................................................................... 51
2.2 Connectors and Headers.................................................................... 51
2.2.1 Back Panel Connectors........................................................... 52
2.2.2 Component-side Connectors and Headers................................. 53
2.3 Jumper Block ................................................................................... 63
2.4 Mechanical Considerations ................................................................. 65
2.4.1 Form Factor.......................................................................... 65
2.5 Electrical Considerations.................................................................... 66
2.5.1 Power Supply Considerations .................................................. 66
2.5.2 Fan Header Current Capability ................................................ 67
2.5.3 Add-in Board Considerations................................................... 67
2.6 Thermal Considerations..................................................................... 68
2.7 Reliability......................................................................................... 70
2.8 Environmental.................................................................................. 70
3Overview of BIOS Features
3.1 Introduction..................................................................................... 71
3.2 BIOS Flash Memory Organization........................................................ 72
3.3 Resource Configuration ..................................................................... 72
3.3.1 PCI Autoconfiguration ............................................................ 72
3.4 System Management BIOS (SMBIOS) ................................................. 73
3.5 Legacy USB Support ......................................................................... 73
3.6 BIOS Updates .................................................................................. 74
3.6.1 Language Support................................................................. 74
3.6.2 Custom Splash Screen ........................................................... 75
3.7 BIOS Recovery................................................................................. 75
3.8 Boot Options.................................................................................... 76
3.8.1 Optical Drive Boot ................................................................. 76
3.8.2 Network Boot........................................................................ 76
3.8.3 Booting Without Attached Devices ........................................... 76
3.8.4 Changing the Default Boot Device During POST......................... 76
3.9 Adjusting Boot Speed........................................................................ 77
3.9.1 Peripheral Selection and Configuration ..................................... 77
3.9.2 BIOS Boot Optimizations........................................................ 77

Contents
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3.10 BIOS Security Features ..................................................................... 78
3.11 Back to BIOS Button......................................................................... 79
3.12 BIOS Performance Features............................................................... 79
4Error Messages and Beep Codes
4.1 Speaker .......................................................................................... 81
4.2 BIOS Beep Codes ............................................................................. 81
4.3 Front-panel Power LED Blink Codes..................................................... 82
4.4 BIOS Error Messages ........................................................................ 82
4.5 Port 80h Power On Self Test (POST) Codes.......................................... 83
5Regulatory Compliance and Battery Disposal Information
5.1 Regulatory Compliance...................................................................... 89
5.1.1 Safety Standards................................................................... 89
5.1.2 European Union Declaration of Conformity Statement ................ 90
5.1.3 Product Ecology Statements ................................................... 91
5.1.4 EMC Regulations ................................................................... 93
5.1.5 ENERGY STAR* 5.0, e-Standby, and ErP Compliance ................. 96
5.1.6 Regulatory Compliance Marks (Board Level) ............................. 97
5.2 Battery Disposal Information.............................................................. 98
Figures
1. Major Board Components .................................................................. 15
2. Block Diagram.................................................................................. 18
3. DIMM Configuration .......................................................................... 24
4. Back Panel Audio Connectors ............................................................. 31
5. LAN Connectors LED Locations ........................................................... 33
6. Bluetooth/WiFi Module ...................................................................... 34
7. Thermal Sensors and Fan Headers...................................................... 37
8. Location of the Standby Power LED..................................................... 44
9. Location of the VR Status LEDs .......................................................... 45
10. Location of Board Status LEDs............................................................ 46
11. Location of the Onboard Power and Reset Buttons ................................ 48
12. Detailed System Memory Address Map................................................ 50
13. Back Panel Connectors ...................................................................... 52
14. Component-side Connectors and Headers............................................ 53
15. Connection Diagram for Front Panel Header......................................... 60
16. Connection Diagram for Front Panel USB 2.0 Headers ........................... 62
17. Location of the Jumper Block ............................................................. 63
18. Board Dimensions............................................................................. 65
19. Localized High Temperature Zones ..................................................... 69

Intel Desktop Board DZ77GA-70K Technical Product Specification
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Tables
1. Specification Changes or Clarifications...................................................iii
2. Feature Summary............................................................................. 13
3. Components Shown in Figure 1 .......................................................... 16
4. Supported Memory Configurations...................................................... 22
5. HDMI Port Status Conditions.............................................................. 26
6. Audio Jack Support........................................................................... 30
7. LAN Connector LED States................................................................. 33
8. Effects of Pressing the Power Switch ................................................... 38
9. Power States and Targeted System Power ........................................... 39
10. Wake-up Devices and Events ............................................................. 40
11. Board Status LEDs............................................................................ 47
12. System Memory Map ........................................................................ 51
13. Component-side Connectors and Headers Shown in Figure 14................ 54
14. IEEE 1394a Header........................................................................... 55
15. Front Panel Audio Header for Intel HD Audio........................................ 55
16. Front Panel Audio Header for AC ’97 Audio........................................... 55
17. S/PDIF Header ................................................................................. 55
18. SATA Connectors.............................................................................. 56
19. Dual-Port Front Panel USB 2.0 Headers ............................................... 56
20. Front Panel USB 3.0 Connectors ......................................................... 56
21. Chassis Intrusion Header................................................................... 57
22. Processor, Front and Rear Chassis, and Auxiliary (4-Pin) Fan Headers..... 57
23. Back Panel CIR Emitter (Output) Header ............................................. 57
24. Front Panel CIR Receiver (Input) Header ............................................. 57
25. Alternate Power LED Header .............................................................. 58
26. Processor Core Power Connector ........................................................ 59
27. Main Power Connector....................................................................... 59
28. Front Panel Header ........................................................................... 60
29. States for a One-Color Power LED....................................................... 61
30. States for a Two-Color Power LED ...................................................... 61
31. BIOS Setup Configuration Jumper Settings .......................................... 64
32. Recommended Power Supply Current Values........................................ 66
33. Fan Header Current Capability............................................................ 67
34. Thermal Considerations for Components.............................................. 69
35. Environmental Specifications.............................................................. 70
36. BIOS Setup Program Menu Bar........................................................... 72
37. BIOS Setup Program Function Keys .................................................... 72
38. Acceptable Drives/Media Types for BIOS Recovery................................ 75
39. Boot Device Menu Options................................................................. 76
40. Supervisor and User Password Functions ............................................. 78
41. BIOS Beep Codes ............................................................................. 81
42. Front-panel Power LED Blink Codes..................................................... 82
43. BIOS Error Messages ........................................................................ 82
44. Port 80h POST Code Ranges .............................................................. 83
45. Port 80h POST Codes ........................................................................ 84