Overview of MCA Memory Adapters

Content by Fred Spencer.


There are many available 386 memory adapters available for both the 8580 and the 8570. They generally exist in two groups; those with more than 16 MB capacity and those with 16 MB or less capacity.

I have initially listed only adapters which I have had personal experience with. I will expand this list with others over time.

Adapters with more than 16 MB capacity

ADF Code Description Max Capacity SIMM Type Max Qty
@71D0 Kingston KTM-MC64/x 64 MB 72-pin 4
@7EC0 AccuLogic SIMMply RAM/32 64 MB 72-pin 4
@70D1 Intel Above Board MC 32 MB 30-pin 8

Adapters with 16 MB or less capacity

ADF Code Description Max Capacity SIMM Type Max Qty
@7D7F Orchid RAM Request Extra 16/32 8 MB 30-pin 8
@70D0 Kingston KTM 16000/386 Memory Exp.
(KTM-3011-x, KTM-3077-x, Magic Ram)
16 MB 72-pin 4
@FAFF IBM 2-6MB (386) Memory Expansion Option 6 MB non-SIMM 3
@FCFF IBM 2-8MB (386) Memory Expansion Adapter 8 MB 72-pin 4
@FCFF Cumulus CuRAM 605 Memory Adapter 8 MB 72-pin 4
@FDDE IBM PS/2 Enhanced 80386 Mem Exp w/ROM 16 MB 72-pin 4
@FDDF IBM PS/2 Enhanced 80386 Memory Exp. 16 MB 72-pin 4

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