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4.3,4
Optional Memory Board
Three kinds, board I, board II and board III are available for
optional memory boards.
in 128KB, 256KB and 384KB types.
Fig. 4.3.12
©
Remove rear and upper covers.
©
Remove CPU+I/O-CONT P.C.B from MAIN UNIT by referring to 5.2.2
in Chapter 5.
©
As in Fig. 4.3.13, attach memory board to CPU+I/O-CONT P.C.B.
with care in connecting connector.
on soldered side of CPU+I/O-CONT P.C.B.
Expansion memory capacity is different
CPU+I/O-CONT P.C.B.
(T)
Optional memory board ex
pansion
(§)
RS 232C-2 P.C.B. expansion
(D
RTC expansion
See paragraph 3.1 of Chapter 3.
Attach it with 4 screws
4-31
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