Memory (Dimm) - IBM 2193 Maintenance Service Manual

Memory (DIMM)

This system has 2 system memory module sockets, DIMM 0
and DIMM 1. These sockets hold dual in line memory modules
(DIMM) that contains 3.3V signal or double-sided synchronous
DRAM (SDRAM).
The maximum memory size is 512 MB total.
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