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LightningGSX · 10-25-2005

Sounds like the used a larger EPROM and just grounded the top address lines.If you do it this way, you can use multiple images, its basically a hack way of making it possible to change code on the fly.

If you want chips, buy them from Digikey, they are $1.14 part#AT27C256R-70PI.I have about 50 if you want to pick some up.

10-25-2005	#12
LightningGSX Hellbound Join Date: Nov 2003 Location: St Paul Posts: 1,390	Re: Eprom ECU Q's Sounds like the used a larger EPROM and just grounded the top address lines.If you do it this way, you can use multiple images, its basically a hack way of making it possible to change code on the fly. If you want chips, buy them from Digikey, they are $1.14 part#AT27C256R-70PI.I have about 50 if you want to pick some up. __________________ -Nulli Secundus-