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Checking Jumper Settings
The following illustration shows the location of the mainboard jumpers. Pin 1 is
labeled.
Jumper Settings
Jumper Description
Setting
(
default
)
JBAT1 Clear
CMOS
jumper
1-2: Normal
2-3: Clear CMOS
JBAT1
1
JP1A1 CPU
Clock
Short 1-2: 100M
Open 2-3: 133M
JP1A1
1
JP1B1 CPU
Clock
Short 2-3: 100M
Open 1-2: 133M
JP1B1
1
JP1 DRAM
Voltage
(VCC)
Short 1-2: 3V (SDR)
Open 1-2: 2.5V (DDR)
JP1
7