Main System Board Diagram
I
VGA feature
connector
video memory -
SIMM
sockets
,
parallel port
I
CN13
u41
L
U42
L
u43
u44
L
u45
L
L
u47
u37
processor in
PGA socket
serial port 2
battery
I
connector
piezo-electric
speaker
10/1/93
EPSON Equity 4+
mouse
keyboard
connectors
option card
connector
connector
connector
external
cache sockets
>
jumpers
J4-J9
EPSON Equity 4+ 3