1-6
User’s Guide
1.2.2
Jumper Settings
Table 1-1 lists the system board jumpers with their corresponding
settings and functions.
Table 1-1
System Board Jumper Settings
Jumper
Setting
Function
BIOS Type
JP1
1-2
2-3
For models with Acer BIOS
For models with OEM BIOS
Password Security
JP2
1-2
2-3
Enable password
Disable password
CPU Bus Frequency
JP5
Open
1-2
2-3
50 MHz (Pentium 75 MHz)
60 MHz (Pentium 90/120/150 MHz)
66 MHz (Pentium 100/133/166
MHz)
CPU Voltage
JP7
1-2
2-3
VR (3.3V ± 5% - 0%)
VRE (3.45V ~ 3.6V)
Reserved
JP9
2-3*
Fixed setting. Do not reconfigure.
Reserved
JP14
Open*
Leave open. Do not reconfigure.
