Epson Equity II Product Support Bulletin(s) - Page 19

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u EQUITY I MARS BOARD JUMPER CONFIGURATIONS I I CN1 I I CN2 1 8250 i CN3 8087 socket 3D 1 8OC88 CPU 4D 1 MRS-MT BOARD MARS BOARD [BROIM O S ] CN12 CN11 FDD(B) (A) ml CN10 CN9 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. opt. 256KB RAM Board CN5 1 82C59 1 I A =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. ----- Page 2 of 6 -----

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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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