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SERVICE MANUAL FOR
8575A
8 5 7 5 A
BY: Sissel Diao
TESTING TECHNOLOGY DEPARTMENT // TSSC
TESTING TECHNOLOGY DEPARTMENT TSSC
Aug . 2002
8575A N/B Maintenance
Contents
1. Hardware Engineering Specification ........................................................................... 4
1.1 Introduction ......................................................................................................................... 4
1.2 System Hardware Parts .......................................................................................................... 6
1.3 Other Functions .................................................................................................................... 42
1.4 Peripheral Components ........................................................................................................... 47
1.5 Power Management ............................................................................................................... 50
1.6 Appendix 1: SiS961 GPIO Definitions ......................................................................................... 52
1.7 Appendix 2: H8 Pins Definitions ................................................................................................ 53
2. System View and Disassembly .................................................................................... 59
2.1 System View ......................................................................................................................... 59
2.2 System Disassembly ............................................................................................................... 62
3. Definition & Location of Connectors / Switches .............................................................. 81
3.1 Mother Board ....................................................................................................................... 81
3.2 DC Power Board ................................................................................................................... 84
3.3 ESB Board ........................................................................................................................... 85
3.4 Touch-pad ........................................................................................................................... 86
3.5 Daughter Board .................................................................................................................... 86
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8575A N/B Maintenance
Contents
4. Definition & Location of Major Component .................................................................. 87
4.1 Mother Board ....................................................................................................................... 87
5. Pin Description of Major Component ........................................................................... 89
5.1 Intel Pentium 4 Processor mPGA478 Socket ................................................................................. 89
5.2 SiS650 IGUI Host / Memory Controller ....................................................................................... 95
5.3 SiS691 MuTIOL Media I/O Controller ....................................................................................... 100
5.4 SiS301LV / Chrontel CH7019 TV/LVDS Encoder .......................................................................... 106
5.5 PCI1410GGU PCMCIA Controller ............................................................................................ 109
5.6 uPD72872 IEEE1394 Controller ................................................................................................ 114
6. System Block Diagram ............................................................................................. 116
7. Maintenance Diagnostics .......................................................................................... 117
7.1 Introduction ......................................................................................................................... 117
7.2 Error Codes ......................................................................................................................... 118
7.3 Maintenance Diagnostics ......................................................................................................... 120
8. Trouble Shooting .................................................................................................... 121
8.1 No Power ............................................................................................................................. 122
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8575A N/B Maintenance
Contents
8.2 No Display ........................................................................................................................... 129
8.3 VGA Controller Failure LCD No Display .................................................................................... 133
8.4 External Monitor No Display ................................................................................................... 135
8.5 Memory Test Error ............................................................................................................... 137
8.6 Keyboard (K/B) Touch-Pad (T/P) Test Error ............................................................................... 139
8.7 Hard Disk Drive Test Error ..................................................................................................... 141
8.8 CD-ROM Driver Test Error ..................................................................................................... 143
8.9 USB Test Error ..................................................................................................................... 145
8.10 PIO Port Test Error ............................................................................................................. 148
8.11 Audio Failure ..................................................................................................................... 150
8.12 LAN Test Error .................................................................................................................. 153
8.13 PC Card Socket Failure ......................................................................................................... 155
8.14 IEEE 1394 Failure ............................................................................................................... 157
9. Spare Parts List ..................................................................................................... 159
10. System Exploded Views .......................................................................................... 182
11. Circuit Diagram ................................................................................................... 184
12. Reference Material ................................................................................................ 217
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8575A N/B Maintenance
1. Hardware Engineering Specification
1.1 Introduction
The 8575A motherboard would support the Intel