This is an EMDP1 EPROM plug and it is currently a work in progress.
The EMDP1 EPROM 8KK-32K Plug is used to program 27C64 (8K×8), 27C128 (16K×16), and 27C256 (32K×8) EPROM's.
The following revisions of the EPROM 8K-32K plug are listed below: