Its possible to change the roms to eproms ? what eprom i should use ?.
I have seen guides but are for 2 roms STs.

This is the board.
Thanks
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czietz wrote:As far as I know, not all STs can be changed to 2 ROMs. In that case six 32Kx8 EPROMs (27C256) should work.
exxos wrote:Its not easy, but this is my solution. http://www.atari-forum.com/viewtopic.php?f=15&t=30868
soviet9922 wrote:So i can just burn 6 27c256 and drop them in, don't need to do any kind of mods to the board ?
soviet9922 wrote:czietz wrote:As far as I know, not all STs can be changed to 2 ROMs. In that case six 32Kx8 EPROMs (27C256) should work.
So i can just burn 6 27c256 and drop them in, don't need to do any kind of mods to the board ?
czietz wrote:soviet9922 wrote:czietz wrote:As far as I know, not all STs can be changed to 2 ROMs. In that case six 32Kx8 EPROMs (27C256) should work.
So i can just burn 6 27c256 and drop them in, don't need to do any kind of mods to the board ?
Yes, the pinout of Atari's 256kbit (32kByte xROMs matches the pinout of 27C256 EPROMs. The only thing you have to figure out is which EPROMs goes where.
soviet9922 wrote:Theres any place that show here HI-0 HI-1 HI-2 LO-0 LO-1 LO-2 should go ?
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