980 Motherboard Jumpers

CMOS/Password Clear Jumper (JP16)
Jumper Position Function
Open Normal Operation
Closed Clear CMOS Data

Front/Back USB Port Select Jumper Block (JP10)
USB Port JP10 Settings
Front (J24) 1-2 Closed
4-5 Closed
Back (J5-1) 2-3 Closed
5-6 Closed

CPU/DRAM Clock Selection
CPU/DRAM Clock
(MHz)		 JP5 JP6 JP7 JP8
66
 Open Closed Closed Closed
75
 Open Closed Open Open
83
 Open Closed Open Closed
90
 Closed Closed Closed Closed
95
 Open Closed Open Open
100
 Open Open Closed Closed

CPU/Bus Speed Ratio Select
Intel CPU/Bus JP2 JP3 JP4
X1.5/X3.5 Open Open Open
X2.0/X6.0 Closed Open Open
X2.5 Closed Closed Open
X3.0 Open Closed Open
X4.0 Closed Open Closed
X4.5 Closed Closed Closed
X5.0 Open Closed Closed
X5.5 Open Open Closed

Processor Core Voltage Select (VCORE)
Vcore JP11 JP12 JP13 JP14 JP15
1.8V Open Closed Open Closed Closed
2.1V Closed Open Open Open Open
2.2V Open Closed Open Open Open
2.8V Open Open Open Closed Open
2.9V Closed Open Open Closed Open
3.1V Closed Closed Open Closed Open
3.2V Open Open Closed Closed Open