Help me read Konami GFX roms

_rm_

Giga Shock!!
I'm trying to read a Konami GFX rom from a Crime Fighters PCB, the reference is 821K05.

Since the file is 512KB, should i read it as a 27C4002?
 

Xian Xi

JammaNationX,
yes or 4096. Just multiply the file size by 8 and it will tell you which chip to use.

512 x 8 = 4096 aka 4mbit eprom
 

_rm_

Giga Shock!!
Thanks guys. I just wanted to double check because the rom gives me an instant error no matter what option i choose, guess i found the problem with this game ;)
 

_rm_

Giga Shock!!
I savaged some 27C4100 and Toshiba TC574200D from Puzzle Bobble boots, but for some strange reason i can't erase them. I left them in the UV eraser for very long yesterday and today i took them with me to work to try on another UV eraser but with the same result. Each time i perform a blank check it always fails the test.

I find strange that all 4 eproms from two different games are all dead.

Anyway, i already bought new ones from evilbay, let's see if that resolves the problem.
 
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