Epson Equity IIe, User Manual

Page: 154 / 276

Main
system board jumper
settings
Jumper number Jumper setting
1
A*
1
B
2
A*
2
B
3
A*
3
B
Function
Enables the power-on password
Disables the power-on password
Sets the P-ROM type to 256KB
Sets the P-ROM type to 128KB
Sets up the built-in mouse
connector for use with a mouse
which uses the IRQ 12 signal
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
* Factory setting
If you need to change any jumper settings, perform the
following procedures in the order listed here, as necessary for
your system:
Follow the instructions in “Removing the Cover” earlier in
this chapter to remove the computer’s cover.
Change the HI card jumper setting(s) as necessary. See
“Changing the HI card jumper settings” below.
If you want to change a jumper setting on the main system
board, remove any option cards (such as the SP card) which
may be blocking your access to those jumpers. See
“Removing option cards to clear the main system board”
below.
Change the main system board jumper settings as necessary.
See “Changing the main system board jumper settings”
below.
5-14
Installing Options