
Appendix A
Jumper and Connector Summary
CPU Frequency
CPU Frequency JP1 JP10
75 MHz 1-2, 3-4 1-2, 3-4
90 MHz 1-2 1-2, 3-4
100 MHz 3-4 * 1-2, 3-4 *
120 MHz 1-2 3-4, 5-6
133 MHz 3-4 3-4, 5-6
150 MHz 1-2 5-6, 7-8
166 MHz 3-4 5-6, 7-8
CPU Voltage
CPU Voltage JP11
3.45V 1-2 *
3.52V 3-4
* Default setting
A-1

Jumper and Connector Summary
Flash ROM Type
Flash ROM Type JP1301 JP1302
5V 1-2 * 1-2 *
12V 2-3 2-3
Super I/O Controller
Super I/O Controller JP8
SMC665 Enabled
SMC669 Enabled
ECP DMA Channel
Super I/O
Controller
SMC665 DRQ3/DACK3 1-2 * 1-2 *
SMC669 Auto-
CMOS
Function JP5
Normal 1-2 *
Clear CMOS 2-3
1-2
Disabled
Disabled
ECP/DMA
Channel JP6 JP7
DRQ1/DACK1 2-3 2-3
configured
2-3
1-2
2-3
Open Open
* Default setting
A-2

Jumper and Connector Summary
PS/2 Mouse
Function JP4
Enabled Closed *
Disabled Open
Keyboard Clock
Clock JP1401
ISA clock 1-2 *
12 MHz 3-4
Onboard Connectors
Connector Function
CN1 PS/2 keyboard (optional)
CN2 AT keyboard
CN3 Power
CN4 PS/2 mouse header
CN6 COM2
CN7 COM1
CN8 FDC
CN9 Printer/Parallel
CN10 IDE1
CN11 IDE2
CN12 HDD LED
CN13 VRM (optional)
CN14 IR (optional)
CN15 Fan
CN16 Multifunction
* Default setting
A-3