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Technical Reference Guide www.hp.com 3-1

Processor/Memory Subsystem

3.1 Introduction

This chapter describes the processor/memory subsystem. This systems support the AMD

Phenom, Athlon, and Sempron processor families. As shown in Figure 3-1, these processors use

an integrated DDR2 memory controller and communicate with the chipset through the

HyperTranport interface (I/F).

Figure 3-1. Processor/Memory Subsystem Architecture

This chapter includes the following topics:

■ AMD processors (3.2)

■ Memory subsystem (3.3)

Controller

DDR2

XMM1

Channel A

DIMM

XMM2

XMM4

XMM3

AMD Processor

Channel B

Core(s)

L2 Cache

HyperTransport I/F

North Bridge

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 113 114

Technical Reference Guide 1
First Edition (October 2008) 2
Contents 3
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 AMD Processor Support 22
2.3.2 Chipset 22
2.3.3 Support Components 23
2.3.4 System Memory 23
2.3.5 Mass Storage 24
2.3.6 Serial Interface 24
2.3.10 Audio Subsystem 25
2.4 Specifications 26
Table 2-7 27
Physical Specifications 27
Processor/Memory Subsystem 29
3.2 AMD Processors 30
3.3 Memory Subsystem 31
System Support 35
Software/Driver Layer 36
Transaction Protocol Layer 36
4.2.3 Option ROM Mapping 37
4.2.4 PCI Interrupts 37
4.2.6 PCI Connectors 38
PCI Express Connectors 39
4.3 System Resources 40
4.3.2 Direct Memory Access 41
4.4.1 Clearing CMOS 42
4.5 System Management 43
Power-On / Setup Password 44
Cable Lock Provision 44
I/O Interface Security 44
4.5.2 Power Management 45
4.5.3 System Status 46
4.6.1 System I/O Map 47
Table 4-8 48
System I/O Map 48
4.6.2 GPIO Functions 49
Input/Output Interfaces 51
5.2 SATA Interfaces 52
5.3 Diskette Drive Interface 54
Table 5-2 55
5.4 Serial Interface 56
Table 5-4 58
Table 5-5 60
5.7.1 USB Connector 61
5.7.2 USB Cable Data 62
5.8 Audio Subsystem 63
5.8.1 HD Audio Controller 64
5.8.2 HD Audio Link Bus 64
5.8.3 Audio Multistreaming 64
5.8.4 Audio Specifications 65
5.9.1 Wake-On-LAN Support 67
5.9.4 NIC Connector 68
5.9.5 NIC Specifications 68
Integrated Graphics Processor 69
PCIe I/F 70
6.3 Upgrading 71
6.4 Monitor Connectors 72
6.4.2 DVI-D Connector 73
Power and Signal Distribution 75
7.2.1 SFF Power Supply 76
7.2.2 MT Power Supply 77
7.3 Power C on tro l 78
Table 7-4 79
Power LED Indications 79
Power LED Condition 79
7.3.2 Wake Up Eve nts 80
7.3.3 Power Management 81
7.4 Signal Distribution 82
SYSTEM BIOS 85
8.2 ROM Flashing 86
8.3 Boot Functions 87
8.3.4 Boot Error Codes 88
Table 8-2 89
8.4.1 System ID and ROM Type 90
8.4.2 Temperature Status 90
8.5 SMBIOS 91
8.6 USB Legacy Support 92
8.7 Management Functions 92
Check for ROM update 95
Invalid Electronic Serial 95
Network Server Mode Active 96
67xx-xx) 110
(8601-xx) 111
Error Messages and Codes 112

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