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(Topic ID: 317377)

Transporter 27C512 ROM jumper question

By YippieKiYay

1 year ago



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#1 1 year ago
OP
 
RSP

YippieKiYay

Pinside member

10y 47,700 90

Can anyone tell me if you use L3 CPU ROMs at U26 & U27 that are 27C512 chips, do any jumpers need to be modified? I believe I'd be looking closer at J2/J3. I'm just not certain which should be jumped or if both should be left open.

If I'm mistaken that it's not J2/3, any advice would be appreciated.

Thanks

Rick

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#5 1 year ago
OP
 
RSP

YippieKiYay

Pinside member

10y 47,700 90

Thanks for the replies. I ended up successfully erasing a different set or 27C256 Earthshaker ROMs and was finally able to get the Transporter U26/27 ROMs burned. I appreciate the info and references for the jumpers.

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