HP Compaq dc7900 USDT Specifications Page 18
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2-2 www.hp.com Technical Reference Guide
System Overview
2.2 Features
The following standard features are included on all models unless otherwise indicated:
■ Intel processor in LGA775 (Socket T) package
■ Integrated graphics controller with dual monitor support:
❏ One VGA connector
❏ One DisplayPort (DP) connector with Multimode support
■ PC2-6400 and PC2-5300 (DDR2) DIMM support
■ Hard drive fault prediction
■ Eight USB 2.0-compliant ports
■ High definition (HD) audio processor with one headphone output, at least one microphone
input, one line output, and one line input
■ Network interface controller providing 10/100/1000Base T support
■ Plug 'n Play compatible (with ESCD support)
■ Intelligent Manageability support
■ Management/security features including:
❏ Flash ROM Boot Block
❏ Diskette drive disable, boot disable, write protect
❏ Power-on password
❏ Administrator password
❏ Serial port disable (SFF and CMT form factors only)
❏ Smart Cover (hood) Sense
❏ Smart Cover (hood) Lock (SFF and CMT form factors only)
❏ USB port disable
❏ Intel Standard Manageability support
❏ Intel vPro Technology
❏ HP Virtual Safe Browser
■ PS/2 enhanced keyboard
■ PS/2 optical scroll mouse
■ Energy Star compliancy met by all USDT form factors (Energy Star-qualified configurations
of SFF and CMT form factors are available).
- Technical Reference Guide 1
- Contents 3
- 3 Processor/Memory Subsystem 4
- 4 System Support 4
- 5 Input/Output Interfaces 4
- 8SYSTEM BIOS 6
- A Error Messages and Codes 6
- 1.4 Notational Conventions 8
- Table 1-1 9
- Table 1-1 (Continued) 10
- Introduction 16
- System Overview 17
- 2.2 Features 18
- Table 2-1 19
- 2.3 System Architecture 20
- Power Supply 21
- 2.3.1 Intel Processor Support 22
- 2.3.2 Chipset 23
- 2.3.3 Support Components 24
- 2.3.4 System Memory 24
- 2.3.5 Mass Storage 25
- 2.3.6 Serial Interface 25
- 2.3.9 Graphics Subsystem 26
- 2.3.10 Audio Subsystem 26
- 2.4 Specifications 27
- Table 2-8 28
- Physical Specifications 28
- Table 2-9 29
- Optical Drive Specifications 29
- Table 2-10 30
- Hard Drive Specifications 30
- Processor/Memory Subsystem 31
- 3.2 Intel Processors 32
- 3.3 Memory Subsystem 34
- 3.3.1 Memory Upgrading 35
- System Support 37
- Software/Driver Layer 39
- Transaction Protocol Layer 39
- 4.2.3 Option ROM Mapping 40
- 4.2.4 PCI Interrupts 40
- 4.2.6 PCI Connectors 41
- PCI Express Connectors 42
- 4.3 System Resources 43
- 4.3.2 Direct Memory Access 44
- 4.4.1 Clearing CMOS 45
- 4.5 System Management 46
- Power-On / Setup Password 47
- Setup Password 47
- Cable Lock Provision 47
- I/O Interface Security 47
- Chassis Security 47
- 4.5.2 Power Management 48
- 4.5.3 System Status 49
- 4.6.1 System I/O Map 50
- Table 4-9 51
- System I/O Map 51
- 4.6.2 GPIO Functions 52
- Input/Output Interfaces 53
- 5.2 SATA/eSATA Interfaces 54
- 5.2.2 eSATA interface 55
- 5.3 Diskette Drive Interface 56
- Table 5-3 57
- 5.4 Serial Interface 58
- Table 5-5 60
- Table 5-6 62
- 5.7.1 USB Connector 63
- 5.7.2 USB Cable Data 64
- 5.8 Audio Subsystem 65
- 5.8.1 HD Audio Controller 66
- 5.8.2 HD Audio Link Bus 66
- 5.8.3 Audio Multistreaming 66
- 5.8.4 Audio Specifications 67
- 5.9.1 Wake-On-LAN Support 69
- 5.9.4 NIC Connector 70
- 5.9.5 NIC Specifications 70
- Integrated Graphics Subsystem 71
- Controller 72
- Table 6-1 73
- GMA 4500 Memory Allocation 73
- 6.3 Display Modes 74
- 6.4 Upgrading 75
- 6.5 Monitor Connectors 76
- 6.5.2 DisplayPort Connector 77
- Power and Signal Distribution 79
- Table 7-1 80
- Table 7-2 81
- Table 7-3 82
- 7.2.3 Energy Star Compliancy 83
- 7.3 Power C on tro l 84
- Table 7-5 85
- Power LED Indications 85
- Power LED Condition 85
- 7.3.2 Wake Up Events 86
- 7.3.3 Power Management 87
- 7.4 Signal Distribution 88
- Table 7-7. (Continued) 89
- SYSTEM BIOS 91
- 8.2 ROM Flashing 92
- 8.3 Boot Functions 93
- 8.3.4 Boot Error Codes 94
- Table 8-2 95
- 8.4.1 System ID and ROM Type 96
- 8.4.2 Temperature Status 96
- 8.5 SMBIOS 97
- 8.6 USB Legacy Support 98
- Error Messages and Codes 102
- Table A-2. (Continued) 102
- Error Message Probable Cause 102
- 67xx-xx) 116
- (8601-xx) 117
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