That board looks exactly like the 224k PG Designs (adds 7 banks to the
built-in, for 256k in 8 banks total) I have. And we have both the special
bank-switch utility and a copy of the manual from an earlier 32k version of
the same product.
The 0menu program I have is a late version that supports
Go for it someone:
https://www.ebay.com/itm/Radio-Shack-TRS-80-Model-100-with-cassete-drive-cables-memory-expansion-board/202400672189
Has the Enterprise System Meory Expansion in the bus socket. All he wants is
$30 plus shipping. I don't have it right now. Have eyes on something else.
