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Main system board jumper settings
Jumper Jumper Function
number setting
J1
1-2
Math coprocessor installed
J1
2-3*
No math coprocessor installed
J2
1-2
Password skip enabled
J2
2-3*
Password skip disabled
J3
1-2
Disables the built-in hard disk drive controller
so you can use a hard disk drive controller on
an option card in your computer
J3
2-3*
Enables the built-in hard disk drive controller
J4
1-2*
Sets the P-ROM type to 256 Kbits
J4
2-3
Sets the P-ROM type to 512 Kbits
J5
1-2
Disables the built-in mouse connector so you
can use a mouse or other pointing device
connected to a port on an option card in your
computer; the device must use the IRQ 12
signal
J5
2-3*
Enables the built-in mouse connector for use
with a mouse which uses the IRQ 12 signal
* Factory setting
SIMM card jumper settings
Jumper Jumper Function
number setting
J1
1-2
SlMMs have been installed for additional
memory
J1
2-3*
No SlMMs have been installed
* Factory setting
Installing Options
5-15