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ISA PicoMEM

For PC-class and XT-class vintage computers, an 'ISA PicoMEM' card in the vintage computer.


2024/2025  -  ISA PicoMEM Rev 1.14

As required, move the microSDHC between the modern computer (that has a suitable card reader attached) and the vintage computer.

The following text applies to the ISA PicoMEM Rev 1.14.

The ISA PicoMEM is described by its creator, FreddyV, at here.

My experience of the ISA PicoMEM Rev 1.14 is described at here.

In order to support the BIOS expansion ROM on the ISA PicoMEM Rev 1.14:
• If your vintage computer is an IBM PC (IBM 5150), the motherboard needs to contain the final revision of motherboard BIOS.
• If your vintage computer is a Compaq Portable 1, the motherboard needs to contain a BIOS that supports BIOS expansion ROM's.

The ISA PicoMEM Rev 1.14 uses .IMG files for the hard drive functionality.  That means, that when you have the microSDHC in the modern computer, to add/remove files to the PicoMEM's hard drive, you need to open up the .IMG file using something like WinImage software, and add/remove the files in that.


2026  -  ISA PicoMEM 2

The ISA PicoMEM 2 is released.  I have no experience with this card.