Instruction manual

Contents
Chapter 1: General Information .......................1
Introduction ........................................................................... 2
Features.................................................................................. 3
Specifications ......................................................................... 4
Board layout ........................................................................... 7
Board dimensions ................................................................. 8
Chapter 2: Installation .......................................9
Jumpers and connectors .................................................... 10
Locating jumpers ................................................................ 12
Locating connectors ........................................................... 13
Setting jumpers ................................................................... 14
CPU installing and upgrading............................................ 15
Installing DRAM (DIMMs) .............................................. 16
Internal buzzer select (J1) ................................................. 17
Clear CMOS (J4) ................................................................ 17
ATX Soft-Power Switch connector (J5) ........................... 17
Audio output select (J6) .................................................... 18
CD audio connector (J7) .................................................... 18
LCD driving voltage select (J8) ....................................... 19
LCD clock signal select (J9)............................................. 19
COM3/COM4 RI pin voltage select (J12, J11) ............ 20
COM2 RS-232/422/485 select (J13, J14)....................... 21
SW1 (1~3) Cpu frequency ratio........................................ 22
SW2 (1) CPU clock select ................................................ 22
CXm CPU jumper setting examples ................................ 23
DOC address select SW1 (5, 6) ........................................ 24
Power connectors (PW1, J3) ............................................. 25
ATX power connector (PW1) .................................................25
CPU fan power connector (J3)...............................................25
USB connector (CN2)......................................................... 26