There are two SIMM expansion slots on the Performa 631CD. The computer ships with 4 megabytes (MB) of RAM soldered on the logic board and 4MB of RAM installed in the expansion slot. The maximum amount of RAM that can be installed is 52MB.
The inside SIMM expansion slot can accommodate a single-banked SIMM in 1, 4, or 16MB sizes. The outside slot can accept a double-banked SIMM in 1, 2, 4, 8, 16, or 32 MB sizes. SIMMs do not have to be installed in same size pairs.
Article Change History:
15 Sep 1995 - Made minor corrections.
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