Table Of Contents - Aaeon PCM-7890 User Manual

Chapter 1: General Information.......................1
Introduction ... ................................................................. 2
Features .................................................................................. 3
Specifications ......................................................................... 4
Board layout ........................................................................... 7
Board dimensions ................................................................. 8
Chapter 2: Installaion ......................................... 9
Jumpers and connectors .................................................... 10
Locating jumpers ................................................................ 12
Locating connectors ........................................................... 13
Setting jumpers ................................................................... 14
CPU installing and upgrading ............................................ 15
Mounting the CPU and cooling module .......................... 16
Installing DRAM (DIMMs) .............................................. 18
Cache Memory .................................................................... 19
System temperature thermal sensor (J1)........................ 20
CPU frequency ratio (J3) ................................................... 20
Pentium II CPU jumper setting ............................................... 21
Clear CMOS (J4) ................................................................ 23
COM3/COM4 RI pim voltage select (J5, J6) ............... 23
DOC address select (J7) ................................................... 24
ATX Soft-Power Switch connector (J8) ........................... 24
COM2 RS-232/422/485 select (J10, J14) ....................... 25
Audio output select (J15) .................................................. 25
CLD driving voltage select (J11) ..................................... 26
LCD clock signal select (J12) ........................................... 26
Power connectors (CN9, CN1) ......................................... 27
ATX power connector (CN9) ................................................. 27
CPU fan power connector (CN1) ........................................... 27
USB connector (CN4)......................................................... 28
IDE hard drive connector (CN6) ...................................... 29
Contents