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SNES LoRom 32pin/8Mbit DSP cart convert to HiRom with 27c801

Posted: Thu May 01, 2014 7:12 am
by aupton
Can someone please point me in the right direction to find a good pinout conversion table or tutorial for converting a for SNES LoRom 32pin/8Mbit DSP cart to a HiRom with a 27c801 ? I've seen conversion examples, but they assume a 36pin mask rom is in use. In this case the donor cart has a single 32pin maskrom and is perfect for 27c801.

Thanks!

Re: SNES LoRom 32pin/8Mbit DSP cart convert to HiRom with 27

Posted: Wed May 14, 2014 7:22 am
by aupton
*BUMP*

Anyone have any ideas? I know this is possible, also not practical, but it's a project I started and would rather not walk away from it... I want to see the board boot :)

Re: SNES LoRom 32pin/8Mbit DSP cart convert to HiRom with 27

Posted: Wed May 14, 2014 1:47 pm
by RedScorpion
Maybe this one?

http://www.ultimate-consoles.fr/topic/1 ... -en-hirom/

If you want only covert to 32pin, i think you have to note solder A20-A22

Thank

red