Upgrade IBM PS/2 Model 90 XP 486 9590/8590 Computer Memory

 Memory Specifications
Standard4 or 8 MB (removable)
Maximum64 MB
Slots4 sockets (2 banks of 2) on each of 2 expansion boards; 8 sockets total.
CommentsMemory modules MUST be installed in pairs The system comes standard with 2 expansion boards in slots on the mother board. All memory is installed on the expansion boards.
CPU TypeIntel i486
Model Comments100MHz FSB

Your IBM PS/2 Model 90 XP 486 9590/8590 can support up to 64 MB of memory. For optimal system performance install the maximum amount of memory in each memory socket, this system comes with standard amount of   4 or 8 MB (removable) RAM. One or more of the sockets in the system might be already filled with memory. Whenever you upgrade, you can either add memory to one of the open sockets and/or remove memory from a filled socket and replace it with a higher capacity memory module. Select your Memory Upgrade for IBM PS/2 Model 90 XP 486 9590/8590.