Intel BLKD946GZABL Datasheet download pdf (Page 12)

Intel Desktop Board D946GZAB Technical Product Specification

1.1.2 Board Layout

Figure 1 shows the location of the major components.

OM18377

Figure 1. Major Board Components

Table 2 lists the components identified in Figure 1.

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 89 90

Intel® Desktop Board 1
D946GZAB 1
Revision History 2
Preface 3
Other Common Notation 4
Contents 5
3 Overview of BIOS Features 6
Figures 7
1 Product Description 9
1.1 Overview 10
1.1.2 Board Layout 12
1.1.3 Block Diagram 14
1.2 Online Support 15
1.3 Processor 15
 NOTE 16
Product Description 17
1.4.1 Memory Configurations 18
Channel A, DIMM 0 19
Channel B, DIMM 0 19
1.5 Intel 21
946GZ Express Chipset 21
1.5.2 USB 23
1.5.3 Serial ATA Interfaces 24
1.6 Legacy I/O Controller 26
1.7 Audio Subsystem 27
1.8 LAN Subsystem 29
1.9.2 Fan Monitoring 30
1.9.4 Thermal Monitoring 31
1.10 Power Management 32
1.10.1.2 Two-Watt Standby 33
1.10.2 Hardware Support 34
1.10.2.1 Power Connector 35
1.10.2.2 Fan Headers 35
CAUTION 36
1.10.2.5 Resume on Ring 36
2 Technical Reference 39
2.2 DMA Channels 41
2.5 Interrupts 44
Technical Reference 45
ICH7 PIRQ Signal Name 45
2.7 Connectors and Headers 46
2.7.1 Back Panel Connectors 47
Figure 14 49
2.7.2.3 Front Panel Header 53
INTEGRATOR’S NOTES 55
2.8 Jumper Block 56
2.9.1 Form Factor 57
2.9.2 I/O Shield 58
2.10.1 DC Loading 59
2.11 Thermal Considerations 61
2.12 Reliability 63
2.13 Environmental 63
3.3 Resource Configuration 66
3.3.2 PCI IDE Support 67
3.5 Legacy USB Support 68
3.6 BIOS Updates 68
3.7 BIOS Recovery 69
3.8 Boot Options 70
3.9 Adjusting Boot Speed 71
3.10 BIOS Security Features 72
What This Chapter Contains 73
4.1 Speaker 73
4.2 BIOS Beep Codes 73
4.3 BIOS Error Messages 73
4.4 Port 80h POST Codes 74
DXE Drivers 77
Runtime Phase/EFI OS Boot 77
PEIMs/Recovery 77
POST Code Description 78
Disposal Information 79
Description Mark 84
5.1.4 EMC Regulations 85

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Intel BLKD946GZABL Datasheet Page 12

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