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Important C64 3D graphics card mod
Important C64 3D graphics card mod
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Description: For any owners of a C64 3D graphics card, I suggest that you consider heat-sinking the two Lattice chips, as in the picture. Espicially the chip under the left hand side of the heat sink can run painfully hot!
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Posted by: Hodgkinson at August 22, 2006, 12:38:37 PM

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Comments (10)

Hodgkinson
Posts:1080
February 17, 2007, 09:47:09 PM
What about a Commodore PET or 4040 Development kit...im sure theres one of each lying around somewhere in our garage... :-))))
bloodmoney
Posts:247
February 13, 2007, 05:23:50 PM
Quote
For any owners of a C64 3D graphics card

3d graphics for the commodore 64 cool.
 :-D  ;-)  :lol:
rkauer
Posts:3263
February 08, 2007, 12:26:38 AM
Same thing with the original Alice/Lisa. I put some heatsinks over the chips and the flickering pixels just goes away....
Hodgkinson
Posts:1080
August 23, 2006, 03:05:06 PM
Btw...I've had the machiene running for a few hours the other day and the heat sink does make a difference! Oddly enough, when I noticed the IC's running hot, the drivers for the board wern't even installed - So the board wasn't actually doing anything!
Hodgkinson
Posts:1080
August 23, 2006, 02:46:34 PM
Scandoubler question:
Hmmm. No sync. Since i have never seen a circuit diagram for one, the only thing i could say that could be causing that is a bad connection somewhere on the sync line - Maybe a pin on a chip has lifted off of the pad, connector dry joint, faulty cable plugged in, could be anything.

Hodgkinson
Hodgkinson
Posts:1080
August 23, 2006, 02:42:22 PM
The wires on the right hand side go to the video switcher board. The wires were long enough to allow the board to be photographed, so I diddn't bother unplugging them.
Btw...Im thinking of making a LED display and force state switch for the video switcher eventually.
FrankBrana
Posts:178
August 23, 2006, 02:20:26 PM
@Keropi

The patch wire is for the z4 fast mode when using elbox z4 bus boards.
keropi
Posts:2466
August 23, 2006, 09:42:48 AM
what is that patch wire? and what about the wires on the pins upper right?
snowman040
Posts:100
August 22, 2006, 10:20:18 PM
Do you have any idea what can go wrong with ScanDoubler module ? It's giving some output but it's out of sync.. ?
FrankBrana
Posts:178
August 22, 2006, 09:34:35 PM
Mmmm
what does the switch in the jumpers reserved for factory messing?


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