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76 bytes added ,  26 June 2023
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* U503 V1.6 160-6992-06
* U503 V1.6 160-6992-06
* U607 V1.1 160-6991-01
* U607 V1.1 160-6991-01
ROM image files for all three ROMs can be found on the [[ROM images]] page.


There are two smaller decoder chips in 20-pin DIP (300mil) packages, likely to be 16V8 GAL/PAL:
There are two smaller decoder chips in 20-pin DIP (300mil) packages, likely to be 16V8 GAL/PAL:

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