78 Chapter 5

Connector Description

NOTE: *: Default setting

NOTE: There’s only 66/100 MHz allowable speed limit for 66/133 MHz SDRAM.

Connector No. Description
CN1 PS/2
CN2 USB/LAN
CN3 ATX power connector
CN4 COM port
CN5 Parallel/VGA/seria l port 2
CN7 IDE2
CN8 IDE1
CN9 GAME/MIDI
CN11 Audio CD connector
CN12 Floppy Disk Drive
CN13 Hard Disk Drive LED
CN16 Fax voice modem
CN18 WAKE ON LAN
CN19 36-pin USB/AUDIO connector
CN20 RF connector
CN21 Slim CD-ROM connector
JP1 1/2: Disable on board codec
2/3: Enable on board co dec
JP2 PWR LED
JP3 1/2, 4/5: 4M flash ROM
2/3, 5/6: 2M flash ROM
JP4 Reset
JP5 Intrusion
JP6 LAN LED
JP7 PWR switch
JP11 1/2: Clear CMOS
2/3: NOP, no operation
SW1 ON
OFF*
NOTE: Set this to ON when CPU is packaged by
FCPGA, hence, it can avoid system resource
waste.
Socket 370 core/bus cl ock ratio
S1
SW4 SW3 SW2 SW1 CPU SDRAM
00 0066100
0 0 0 1 100 100
0 0 1 1 133 100
0 1 0 1 100 133
0 1 1 1 133 133
10 006666