14
Chapter 3
Map of Motherboard Jumpers
The tiny “1”s next to jumpers of 3 pins or more indicate the position of
pin 1 for that jumper. Refer to pages 15-17 for the jumper and pin
assignments.
SIMM Socket 0
SIMM Socket 1
SIMM Socket 2
SIMM Socket 3
SIMM Socket 4
SIMM Socket 5
DIMM Bank 0
DIMM Bank 1
power connector
CPU
82439TX
82371AB
Secondary IDE
3 volt
battery
ISA slot 3
ISA slot 2
ISA slot 1
PCI slot 5
PCI slot 4
PCI slot 3
PCI slot 2
PCI slot 1
SMC I/O
J19
J14
J17
J22
Keyboard controller
JP1
J8
FAN2
J25
J2
J90
JP2
FAN1
J30
JP20
JP21
Primary IDE
Floppy connector
BF1
BF0
JP15
JP16
J10
J11
JP18
JP19
VID3
VID4
VID2
VID1
JP24
JP25
1
3
8
10
13
18
22
24
J21
1
1
1
1
J23
1
1
1
1
1
1
FAN3
1
1
1
1
J31 BF2
J32
J35
J33
J34
BIOS
JP26
JP27
JP28
1
1