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chacal231077

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Hi! :)
I miss information about the eprom model for epr-12521.a8 & epr-12519.a6 if someone can validate the others :) Thanks ;)
for Golden Axe (set 4, Japan) (FD1094 317-0121) Unencrypted ROM

Rom-Board Use 171-5704


ROM goldnaxejd

bootleg_epr-12540.a7 27c2001
bootleg_epr-12539.a5 27c2001
epr-12521.a8 :?:
epr-12519.a6 :?:
epr-12385.a14 27c010
epr-12386.a15 27c010
epr-12387.a16 27c010
mpr-12378.b1 27c2001
mpr-12379.b5 27c2001
mpr-12380.b2 27c2001
mpr-12381.b6 27c2001
mpr-12382.b3 27c2001
mpr-12383.b7 27c010
epr-12390.a10 27c2001
mpr-12384.a11 27c256
 
Last edited:

pacoarcade

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A5 and A7 are 27C301 (non-JEDEC), I think A6 and A8 are the same.
 

chacal231077

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oK ok ^^


The Eprom correspondence for the others is correct? ?(

epr-12385.a14 27c010
epr-12386.a15 27c010
epr-12387.a16 27c010
mpr-12378.b1 27c2001
mpr-12379.b5 27c2001
mpr-12380.b2 27c2001
mpr-12381.b6 27c2001
mpr-12382.b3 27c2001
mpr-12383.b7 27c010
epr-12390.a10 27c2001
mpr-12384.a11 27c256
 

chacal231077

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No one to validate the correspondence of the eprom :( :?: ;(

ROM goldnaxejd


bootleg_epr-12540.a7 27C301 non-JEDEC
bootleg_epr-12539.a5 27C301 non-JEDEC
epr-12521.a8: 27C301 non-JEDEC
epr-12519.a6: 27C301 non-JEDEC
epr-12385.a14 27c010
epr-12386.a15 27c010
epr-12387.a16 27c010
mpr-12378.b1 27c2001
mpr-12379.b5 27c2001
mpr-12380.b2 27c2001
mpr-12381.b6 27c2001
mpr-12382.b3 27c2001
mpr-12383.b7 27c010
epr-12390.a10 27c2001
mpr-12384.a11 27c256
 

ekorz

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Here's something to get you started...
I made this for myself a while back but I find it super useful. I printed it out and have had it stuck to the wall next to my monitor for a couple of years now.
ts_eprom_xref.jpg


"on disk" is the size of the ROM file as it would be reported by windows
"in MAME" is the size of the ROM file as reported within MAME source

EPROMs within the same color group mean that you can double the ROM file and write it to the next size down the list.

obviously it's not comprehensive but it seems to cover 99% of the stuff I typically need to program.
look in mame and find the file you’re wondering about. Use either this chart in relation to that info, or the size of the file on your disc, and you can validate all these yourself
 
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