Intel D925XHY D925XHY Technical Product Specification - Page 5

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Contents 1 Product Description 1.1 Overview ...10 1.1.1 Feature Summary 10 1.1.2 Board Layout 12 1.1.3 Block Diagram 14 1.2 Online Support ...15 1.3 Processor ...15 1.4 System Memory ...16 1.4.1 Memory Configurations 17 1.5 Intel® 925X Chipset...21 1.5.1 USB ...21 1.5.2 IDE Support 21 1.5.3 Real-Time Clock, CMOS SRAM, and Battery 24 1.6 PCI Express* Connectors 28 1.7 Legacy I/O Controller 28 1.7.1 Serial Port...28 1.7.2 Parallel Port 29 1.7.3 Diskette Drive Controller 29 1.7.4 Keyboard and Mouse Interface 29 1.8 Audio Subsystem ...30 1.8.1 Audio Subsystem Software 30 1.8.2 Audio Connectors 30 1.8.3 8-Channel (7.1) Audio Subsystem 30 1.9 LAN Subsystem ...32 1.9.1 Marvell* Yukon* 88E8036 PCI Express 10/100 Ethernet Controller 32 1.9.2 RJ-45 LAN Connector with Integrated LEDs 32 1.9.3 LAN Subsystem Software 32 1.10 Hardware Management Subsystem 33 1.10.1 Hardware Monitoring and Fan Control ASIC 33 1.10.2 Thermal Monitoring 34 1.10.3 Fan Monitoring 35 1.10.4 Chassis Intrusion and Detection 35 1.11 Power Management ...35 1.11.1 ACPI ...36 1.11.2 Hardware Support 38 2 Technical Reference 2.1 Introduction ...43 2.2 Memory Resources ...43 2.2.1 Addressable Memory 43 2.2.2 Memory Map 45 2.3 DMA Channels ...45 2.4 Fixed I/O Map...46 2.5 PCI Configuration Space Map 47 2.6 Interrupts ...48 v

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Contents
1
Product Description
1.1
Overview
......................................................................................................................
10
1.1.1
Feature Summary
..........................................................................................
10
1.1.2
Board Layout
.................................................................................................
12
1.1.3
Block Diagram
...............................................................................................
14
1.2
Online Support
.............................................................................................................
15
1.3
Processor
.....................................................................................................................
15
1.4
System Memory
...........................................................................................................
16
1.4.1
Memory Configurations
.................................................................................
17
1.5
Intel
®
925X Chipset
......................................................................................................
21
1.5.1
USB
...............................................................................................................
21
1.5.2
IDE Support
...................................................................................................
21
1.5.3
Real-Time Clock, CMOS SRAM, and Battery
................................................
24
1.6
PCI Express* Connectors
............................................................................................
28
1.7
Legacy I/O Controller
...................................................................................................
28
1.7.1
Serial Port
......................................................................................................
28
1.7.2
Parallel Port
...................................................................................................
29
1.7.3
Diskette Drive Controller
................................................................................
29
1.7.4
Keyboard and Mouse Interface
.....................................................................
29
1.8
Audio Subsystem
.........................................................................................................
30
1.8.1
Audio Subsystem Software
...........................................................................
30
1.8.2
Audio Connectors
..........................................................................................
30
1.8.3
8-Channel (7.1) Audio Subsystem
.................................................................
30
1.9
LAN Subsystem
...........................................................................................................
32
1.9.1
Marvell* Yukon* 88E8036 PCI Express 10/100 Ethernet Controller
.............
32
1.9.2
RJ-45 LAN Connector with Integrated LEDs
.................................................
32
1.9.3
LAN Subsystem Software
..............................................................................
32
1.10
Hardware Management Subsystem
.............................................................................
33
1.10.1
Hardware Monitoring and Fan Control ASIC
.................................................
33
1.10.2
Thermal Monitoring
........................................................................................
34
1.10.3
Fan Monitoring
...............................................................................................
35
1.10.4
Chassis Intrusion and Detection
....................................................................
35
1.11
Power Management
.....................................................................................................
35
1.11.1
ACPI
..............................................................................................................
36
1.11.2
Hardware Support
.........................................................................................
38
2
Technical Reference
2.1
Introduction
..................................................................................................................
43
2.2
Memory Resources
......................................................................................................
43
2.2.1
Addressable Memory
.....................................................................................
43
2.2.2
Memory Map
..................................................................................................
45
2.3
DMA Channels
.............................................................................................................
45
2.4
Fixed I/O Map
...............................................................................................................
46
2.5
PCI Configuration Space Map
......................................................................................
47
2.6
Interrupts
......................................................................................................................
48