User`s guide

EQUITY I MARS BOARD JUMPER
CONFIGURATIONS
u
MRS-MT BOARD
MARS BOARD
PLEASE NOTE
Since setting the
jumpers requires
almost complete
disassembly of the
Equity I computer
it should be done
only by authorized
Epson Customer Care
Centers.
I
I
I I
CN1
CN2
CN3
i
8087 socket 3D
8OC88 CPU 4D
1
[ROM BIOS]
1 8250 1
CN12 CN11
FDD(B) (A)
ml
CN10 CN9
1 82C59 1
I A
opt. 256KB
RAM Board
CN5
=p]
Reset Dip Switch
Keyboard
* NON-EPSON KEYBOARD SUPPORT -
Install jumpers in positions J2 and
position J3 (Early systems did not have this capability and do not
have these jumper positions installed.)
NOTE: DO NOT ATTEMPT TO USE THE EPSON KEYBOARD WITH THESE JUMPERS
INSTALLED AS DAMAGE WILL RESULT!
* 8087 SUPPORT - Remove the jumper from position J1.
* EGA MONITOR SUPPORT - Set dip switches 6 and 7 to the on position.
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