5.03: Memory

Nordisk Computer Services (Portland 503-598-0111, Seattle
206-242-7777) is reputed to have memory for use on AIX platforms.

5xx machines have 8 memory slots, 3x0s have 2, and 3x5s have only one.
You need to add memory in pairs for the 5xx machines excepting the 520.

RS/6000 Models 220, 230 and 250 can use "PS/2" style SIMM memory.  All
have 8 SIMM sockets.  60ns or better is needed for the 250, 70ns
should be OK in the 220 and 230.  The 220 and 230 are limited to 64MB
of memory, the 250 is limited to 256MB.