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Technical Reference Guide www.hp.com 2-9
System Overview
2.3.5 Mass Storage
All models support at least two mass storage devices, with one being externally accessible for
removable media. These systems provide the following interfaces for internal storage devices:
USDT: one SATA interface, one SATA-to-PATA bridge/interface for a Slimline optical drive
SFF: three SATA interfaces
CMT: four SATA interfaces
These systems may be preconfigured or upgraded with a SATA hard drive and one removable
media drive such as a CD-ROM drive.
2.3.6 Serial and Parallel Interfaces
The SFF and CMT form factors include a serial port and a parallel port, both of which are
accessible at the rear of the chassis. The SFF and CMT form factors may be upgraded with a
second serial port option.
The serial interface is RS-232-C/16550-compatible and supports standard baud rates up to
115,200 as well as two high-speed baud rates of 230K and 460K. The parallel interface is
Enhanced Parallel Port (EPP1.9) and Enhanced Capability Port (ECP) compatible, and supports
bi-directional data transfers.
2.3.7 Universal Serial Bus Interface
All models provide ten Universal Serial Bus (USB) ports. Two ports are accessible at the front of
the unit, six ports are accessible on the rear panel, and two ports are accessible on the system
board. The SFF and CMT form factors support a media card reader module that connects to the
two internal ports. These systems support USB 1.1 and 2.0 functionality on all ports.
2.3.8 Network Interface Controller
All models feature an Intel gigabit Network Interface Controller (NIC) integrated on the system
board. The controller provides automatic selection of 10BASE-T, 100BASE-TX, or
1000BASE-T operation with a local area network and includes power-down, wake-up,
Alert-On-LAN (AOL), Alert Standard Format (ASF), and Active Management Technology
(AMT) features. An RJ-45 connector with status LEDs is provided on the rear panel.
- Technical Reference Guide 1
- First Edition (October 2007) 2
- 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
- Introduction 7
- 1.5 Notational Conventions 9
- Table 1-1 10
- Table 1-1 (Continued) 11
- System Overview 17
- 2.2 Features 18
- Table 2-1 19
- 2.3 System Architecture 20
- 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
- 2.3.9 Graphics Subsystem 26
- 2.3.10 Audio Subsystem 26
- 2.4 Specifications 27
- Table 2-8 28
- Physical Specifications 28
- Table 2-9 29
- Table 2-10 30
- Optical Drive Specifications 30
- Table 2-11 31
- Hard Drive Specifications 31
- Processor/Memory Subsystem 33
- 3.2 Intel Processors 34
- 3.3 Memory Subsystem 36
- 3.3.1 Memory Upgrading 37
- System Support 39
- Software/Driver Layer 41
- Transaction Protocol Layer 41
- 4.2.3 Option ROM Mapping 42
- 4.2.4 PCI Interrupts 42
- 4.2.6 PCI Connectors 43
- PCI Express Connectors 44
- 4.3 System Resources 45
- 4.3.2 Direct Memory Access 46
- 4.4.1 Clearing CMOS 47
- 4.5 System Management 48
- Power-On / Setup Password 49
- Setup Password 49
- Cable Lock Provision 49
- I/O Interface Security 49
- Chassis Security 49
- 4.5.2 Power Management 50
- 4.5.3 System Status 51
- 4.6.1 System I/O Map 52
- 4.6.2 GPIO Functions 53
- I/O Controller Functions 54
- Input/Output Interfaces 55
- 5.2 SATA Interface 56
- 5.3 PATA Interface 57
- 5.4 Diskette Drive Interface 58
- Table 5-3 59
- 5.5 Serial Interface 60
- 5.6 Parallel Interface 61
- Table 5-5 62
- Table 5-6 64
- 5.8.1 USB Connector 65
- 5.8.2 USB Cable Data 66
- 5.9 Audio Subsystem 67
- 5.9.1 HD Audio Controller 68
- 5.9.2 HD Audio Link Bus 68
- 5.9.3 Audio Multistreaming 68
- 5.9.4 Audio Specifications 69
- 5.10.1 Wake-On-LAN Support 71
- 5.10.4 NIC Connector 72
- 5.10.5 NIC Specifications 72
- Integrated Graphics Subsystem 73
- 6.2 Functional Description 74
- Controller 74
- 6.3 Display Modes 76
- 6.4 Upgrading 77
- 6.5 Monitor Connectors 78
- Table 6-4 79
- Power and Signal Distribution 81
- 7.2.2 SFF Power Distribution 82
- Table 7-2 83
- 7.2.3 CMT Power Distribution 84
- 7.2.4 Energy Star Compliancy 85
- 7.3 Power Con trol 86
- Table 7-5 87
- Power Button Actions 87
- Power LED Condition 87
- 7.3.2 Wake Up Events 88
- 7.3.3 Power Management 89
- 7.4 Signal Distribution 90
- Table 7-7. (Continued) 91
- SYSTEM BIOS 93
- 8.2 ROM Flashing 94
- 8.3 Boot Functions 95
- 8.3.4 Boot Error Codes 96
- Table 8-2 97
- 8.4.1 System ID and ROM Type 98
- 8.4.2 Temperature Status 98
- 8.4.3 Drive Fault Prediction 98
- 8.5 SMBIOS 99
- 8.6 USB Legacy Support 100
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