| 8170 N/B MAINTENANCE  |    | 
CONTENTS  |    | 
1. Hardware Engineering Specification--------------------------------------------------------------------------------  | 4  | 
1.1  | Introduction--------------------------------------------------------------------------------------------------------------------------------  | 4  | 
1.2  | System Architecture----------------------------------------------------------------------------------------------------------------------  | 5  | 
1.3  | Electrical Characteristic-----------------------------------------------------------------------------------------------------------------  | 22  | 
1.4  | APPENDIX---------------------------------------------------------------------------------------------------------------------------------  | 32  | 
1.5  | BIOS Specification------------------------------------------------------------------------------------------------------------------------  | 39  | 
| 2. System Assembly & Disassembly ------------------------------------------------------------------------------------ | 82  | 
2.1  | System View--------------------------------------------------------------------------------------------------------------------------------  | 82  | 
2.2  | System Disassembly----------------------------------------------------------------------------------------------------------------------  | 86  | 
| 3. Definition & Location Connectors / Switches Setting ----------------------------------------------------------- | 104  | 
3.1  | Main Board---------------------------------------------------------------------------------------------------------------------------------  | 104  | 
3.2  | D/D Board-----------------------------------------------------------------------------------------------------------------------------------  | 107  | 
3.3  | Touch PAD Board-------------------------------------------------------------------------------------------------------------------------  | 108  | 
4. Definition & Location Major Components-------------------------------------------------------------------------  | 109  | 
4.1  | Main Board---------------------------------------------------------------------------------------------------------------------------------  | 109  | 
4.2  | D/D Board----------------------------------------------------------------------------------------------------------------------------------  | 111  | 
| 5. Pin Descriptions of Major Components ---------------------------------------------------------------------------- | 112  | 
5.1  | Pentium 4(Willamette/Northwood) Micro-FCPGA 478 pin----------------------------------------------------------------------  | 112  | 
5.2  | Intel 82845(Brookdale Memory Controller HUB)----------------------------------------------------------------------------------  | 118  | 
5.3  | Intel 82801BA(I/O Controller HUB )-------------------------------------------------------------------------------------------------  | 125  | 
5.4  | PCI4410(PCMCIA/1394 LINK Controller )----------------------------------------------------------------------------------------  | 130  |