Epson Equity 386SX User Manual page 157

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