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Re: Voodoo 3 bought second hand - dead or not?

Posted on Yesterday, 11:34

OK it works! I did the following in case someone else runs into the issue: - first installed a PCI 2D card (Matrox Mystique) without Voodoo 3 - set BIOS to run from PCI first - installed drivers for 2D card (you might think this is optional but until I did, the next steps didn't work - maybe it's …

Re: Voodoo 3 bought second hand - dead or not?

Posted on Yesterday, 09:59

If you insert both PCI and AGP video cards, check your motherboard BIOS if there is a setting that disables one or the other bus. Or else you won't be able to detect it. I'm not sure if win98 will detect dual video cards but the 3dfx bios Flash utility can detect the card: https://3dfxbios.cl- …

Re: Voodoo 3 bought second hand - dead or not?

Posted on 2021-09-17, 20:16

kixs wrote on 2021-09-17, 19:59: Try reflashing it. I've revived one dead V3 like that. Of course check for physical damage first. Well I installed a PCI card and the Voodoo 3 would not get detected in WIndows 98. Do you still think you can flash it that way? Can you do it with a PCi card active?

Re: Voodoo 3 bought second hand - dead or not?

Posted on 2021-09-17, 19:12

Have you got a PCI card you can boot with alongside the Voodoo3 to see if it appears in Device Manager, or is readable by the BIOS flash utiity? I'll try that - I have a PCI Matrox I can install. I already sent a message to the seller explaining my problem and saying I suspect the card is dead, …

Voodoo 3 bought second hand - dead or not?

Posted on 2021-09-17, 15:24

This is a tough one for me. I bought a Voodoo 3 3000 for my Pentium III Windows 98 system since it seems the perfect card for both DOS and Windows 9X games (apparently Voodoo 3 has high DOS VESA compatibility). The seller claims it was fully working when he sold it but when I tested in my system, it …

Re: Bought ViewSonic monitor - image too wide

Posted on 2021-09-12, 19:20

Congratulations ~ The biggest resource online I know of is this : https://www.repairfaq.org/sam/tvfaq.htm A lot of good info is condensed on these pages. Thanks! And I also discovered that the "reset" button now works - it didn't before. That's a good sign as well. It set all settings back to …

Re: Bought ViewSonic monitor - image too wide

Posted on 2021-09-12, 18:34

I believe I found the cause of the malfunction: while reflowing the components, I noticed one component had no solder around its leg and a clear gap could be seen between the leg and the circuit. If this was indeed the cause, it explains why the problem was intermittent. I still reflowed some 80 …

Re: Bought ViewSonic monitor - image too wide

Posted on 2021-09-11, 23:23

Can you attach the schematics to the post ? I would like to take some looks at it. Schematics would help saving time when resoldering the soldering joints, because you then can limit the work to the areas actually being in question. Keep in mind that the heavy stuffs's soldering tends to more cold …

Re: Bought ViewSonic monitor - image too wide

Posted on 2021-09-11, 22:43

What resolution/refresh rate are you using? I’ve had screens that work fine at 60hz vga 640x480 but flake out at 800x600x72 If you can’t fix it or don’t care to internally there should be pots for various geometry settings along with the cathode voltage. You can manually shrink the screen size …

Re: Bought ViewSonic monitor - image too wide

Posted on 2021-09-11, 20:40

What resolution/refresh rate are you using? I’ve had screens that work fine at 60hz vga 640x480 but flake out at 800x600x72 If you can’t fix it or don’t care to internally there should be pots for various geometry settings along with the cathode voltage. You can manually shrink the screen size …

Re: Bought ViewSonic monitor - image too wide

Posted on 2021-09-11, 20:39

That looks like a problem around what is called S correction. One of the fat capacitors seen on the last insides photo is responsible for correcting for it though the way things work is that if there's a problem the sides should be expanded rather than compressed... It is worth trying to exercise …

Re: Bought ViewSonic monitor - image too wide

Posted on 2021-09-11, 14:07

The fault is likely to be in the zoo near the flyback transformer, probably the larger components. The closed up box attached to the neck is only video amps etc., there won't be anything that affects geometry there. Can you take a photo of the image and perhaps some of the main board itself ? …

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