From Newsgroup: comp.sys.ibm.ps2.hardware
https://www.ebay.com/itm/176265844916
BIN or MAO
If you wandt to increase the installed RAM on a 32-bit 386 PS/2, these
have been proven to be reliable. The EEPROM on-board allows this card to remember the installed memory. Earlier systems with less sophisticated
SC.EXE can have problems with configuring expansion RAM.
Look at the images, and you will see U4, snuggled in the lower right
hand corner.
I gotta do road rage right now, it might be after noon before I'm back.
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