Canopus Pure3D II make me wonder \ VOGONS

Canopus Pure3D II make me wonder

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First post, by Postman5

Posted on 2025-03-19, 09:57

Postman5 Offline

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I got a unique board without markings for 4 memory chips.
I would like to know the markings, but this puzzle is too difficult for me.
Maybe you have a board with markings for these memory chips?

Reply 1 of 2, by PcBytes

Posted on 2025-03-19, 13:04

PcBytes Offline

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U?? Top board left side: U49 (above U28)
U?? Top board right side: U48 (above U30)

Order may be reversed.

ID'd by the card shown here: https://theretroweb.com/expansioncards/s/canopus-pure3d-ii

No idea for the ones below U29 and U27.

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Reply 2 of 2, by Postman5

Posted on 2025-03-19, 21:41

Postman5 Offline

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Joined: 2024-08-05, 17:23

U48 and U49 stand for unpopulated SOT-23-5 ICs

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