Dragon's Lair Fans - Arcade Lifestyle
General Chat => Technical Area => Topic started by: anunaki on December 18, 2012, 07:10:56 PM
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I've got a Shinobi Type B board, picture works perfectly, but the sound is dead.
I found out I need to do the following:
SHINOBI - Decryption with Battery Z80
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Replace EPR-11372 with "EPR11287.a7" at position A7 on ROM board.
EPROM checksum = $003ED1F5
Replace Battery NEC type Z80 (MC-8123B) with standard Z80B processor.
I have the rom image, now I'm looking for a standard Z80B processor.
My question is: are alle Z80B chips the same so I can easily put a new one in the socket? The legs of my NEC chip are thin and some of the ones I googles seem to have thicker ones (like eproms)
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A Z80B = Z80B.
The pins should all be about the same size...got a pic ?
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Mine looks like this
(http://www.pixhotel.fr/sites/default/files/gamoovernet/20120324145317-funkycochise-nec.jpg)
but when i google I find stuff like this:
(http://i00.i.aliimg.com/photo/v0/349441664/Z80B_CPU.jpg)
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The one you have is also a battery, everything else is the same.
You can read more about segaresurrection here:
http://www.segaresurrection.com/
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Thanks
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I replaced the Z80 and also the 11287 rom, now everything works just fine.
Although not difficult to fix, this is my first fixed board, I'm really happy with it.
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Well done. First steps are very important :)
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Keep on going! ;)