System Board Jumper Settings - (D) = Factory setting

 Jumper/Settings       Function
 --------------------------------------------------
 JP1                 | Video IRQ (IRQ9) setting
      1-2             |   Disabled
     2-3             |   Enabled
 --------------------|-----------------------------
 SW1-switch 1        | Password security
     On              |   Bypass password
     Off D           |   Check  password
 --------------------|-----------------------------
 SW1-switch 2        | BIOS logo shown during POST
  On  D           |   With IBM logo
     Off             |   Without IBM logo
 --------------------|-----------------------------
 SW1-switch 3,4,5,6  | Core/bus frequency rate
   On, On, On, On  |   2
     On, Off,Off,On  |   3.5
   Off,On, On, On  |   4
     Off,On, Off,On  |   4.5
   Off,Off,On, On  |   5

CN1

Standby power connector

Power supply

CN3

Universal Serial Bus (USB) connector

USB device

CN4

Standby power connector

Power supply

CN5

Upper: Printer port (25-pin female)
Lower: Serial port 1 (9-pin male)
--”--: Video port (15-pin female)

Printer
Serial device
Monitor

CN7

ATI media connector (AMC)

Reserved

CN8

Secondary IDE connector

Hard disk drive

CN9

Primary IDE connector

Hard disk drive

CN10

Upper: MIDI connector
Lower: Mic-in/Line-in/Line-out
connectors

Joystick
Speaker,
microphone

CN13

Modem/Line-in connector

Modem card

CN14

Wake-up on LAN connector

LAN card

CN15

CD audio input connector

CD-ROM drive

CN16

Software shutdown connector

Power switch

CN17

Modem wakeup on ring connector

Modem card

CN18

CS4610 adapter feature connector

Reserved

CN19

Diskette drive connector

Diskette drive

CN20

Serial port 2 connector

Serial device

CN21

IDE LED connector
Connect the red wire to pin-1, white
wire to pin-2, the leave pin-3, -4 as
non-connected, or connect the red wire
to pin-4, white wire to pin-3, then
leave pin-1, -2 as non-connected.

Hard drive LED

CN24

Power LED connector
Connect the green wire to pin-1, white
wire to pin-2.

Power LED

FN1

Processor heat-sink fan connector

Processor fan