This chip replaces the dip shut at location U72 (Model 4 NGA) to allow for adding another 64K of memory for a total of 128K (along with the appropriate memory chips (not included)).

This is the GAL equivalent of the original PAL supplied in the original upgrade kit. Each chip will be tested in a stock 128K NGA Model 4 computer for 24 hours prior to shipping.
Manufacturers
Currencies
Quick Find

    0 items