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K Service Source
Apple Memory Guide
April 1998
K Service Source
Early Macintosh
Memory Guide Early Macintosh - 1
Macintosh Plus
The Macintosh Plus has no
soldered DRAM, but comes
with four 256K DRAM SIMMs
installed. You can expand the
memory to a total of 4 MB by
installing DRAM SIMMs.
Remember to install the
highest density SIMM in Bank
A first.
Note: When 1 MB SIMMs are
installed, the 256K resistor
(R8 or R9) must be clipped
or removed to enable
recognition of the higher
density SIMMs.
DRAM Configurations Memory Information
1 MB