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EPSON Equity 4+
Main System Board Diagram
parallel port
I
serial port 2
serial port 1 mouse keyboard
I
1
CN13
nnnnn
/
SUPPly
connectors
option card
-
riser board
connector
VGA feature
connector
video memory
-
(512KB
optional)
c
OSCl
1
clc3-
u9
z
-+
diskette drive
connector
\
hard disk
dtive
connector
5
I)
;
:
5
=
=
=
z
-
-
DIP switches
SIMM
sockets
u41
LI
U42
L
u43
L
u44
L;
>
external
cache sockets
u45
L
U46
L
u47
L
,
u37
jumpers
J4-J9
I
battery
I
processor in
connector
piezo-electric
PGA socket speaker
10/1/93
EPSON Equity 4+ 3