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September 20, 2017, 02:59:23 AM
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| | |-+  [how to] convert HVC-UNROM to UOROM
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Author Topic: [how to] convert HVC-UNROM to UOROM  (Read 7900 times)
Kabazorro
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Gender: Male
Mexico Mexico
Posts: 3



« Reply #15 on: July 17, 2017, 09:16:27 PM »

Thanks for your kind answer, did not work, also try the wiring of nesdev that is published above this post. any advice ?

Try this too:

UNROM -> AOROM conversion (mapper 7):
Bend up pins 1, 2, 24, 30 and 31
remove '32 chip
cut track to pin 6 of '161
Solder pin 2 to pin 13 of '161 (A16)
Solder pin 18 to pin 6 of '161 (D4)
Solder pin 24 to GND (OE)
Solder pin 30 to pin 12 or '161 (A17)
Bridge gap between pins 10 and 11 where '32 was (A14)
Bridge gap between pins 3 and 13 where '32 was (A15)
remove solder gap for either V or H
Solder NES pin 22 (CIRAM A10) to pin 11 of '161
« Last Edit: July 18, 2017, 08:42:51 PM by Kabazorro » Logged
number47
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Estonia Estonia
Posts: 271


Zhiliton 938-A


« Reply #16 on: July 19, 2017, 10:16:13 AM »

This is a faulty tutorial - you can't connect 3 to 13
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