Uh-oh. Looks like the board was originally set up with extra logic to split the address map between ROM and SRAM. Everything looks correct, but the Chip Enable pin on the ROM (pin 11) is probably...
Type: Posts; User: Jazzmarazz
Uh-oh. Looks like the board was originally set up...
Uh-oh. Looks like the board was originally set up with extra logic to split the address map between ROM and SRAM. Everything looks correct, but the Chip Enable pin on the ROM (pin 11) is probably...
ok, I understand now.
pins 1 and 42 will be...
ok, I understand now.
pins 1 and 42 will be left hanging and must be bent upward. Also bend up pin 32. These three pins must be connected to A18, A19 and A20 on the cart edge with wire.
My guide...
I don't understand the question. How many pins...
I don't understand the question. How many pins does the board support? Less than 42?
Also worth mentioning: I would not use a "not-working" board as a donor cart.