Hi all I wish to upgrade 4 meg tt ram board from 4 to 16 megs. I have the 4x4 30 pin sims,and sim socketts. New.
the TT ram has 4x1 meg sips solderd.
found a diagram of how too..but i was told the upgrade did not work...
I did a 64k to 256k upgrade myself on a 800xl
also a 520k to 2.5meg on a STfm. a doz times.
for myself and outhers in the atari club.
I need diagrams of the board and what to change, I can send you a jpeg of the board
and a copy of upgrade diagram.
If you can help thanks.
randy.viau@sympatico.ca