VOGONS


First post, by stealthjoe

User metadata
Rank Member
Rank
Member

Hello,

I got a voodoo 3 card today. When I opened the package, noted the capacitor C95 at the right most was broken (most likely due to mishandling by the customs here).

Voodoo 3.jpeg
Filename
Voodoo 3.jpeg
File size
204.1 KiB
Views
645 views
File license
Public domain

I then soldered the capacitor C95. Rechecked the solder and connections. They looked fine. On testing the card later (using Asus P2B), to my horror, the output was corrupted. Please see the below image:

Voodoo 3 output.jpeg
Filename
Voodoo 3 output.jpeg
File size
79.98 KiB
Views
645 views
File license
Public domain

Please let me know if it is possible to fix the card (replacement of capacitors?) or the card is toast? Thanks.

Intel 845GEBV2, Pentium 4 2.4 Ghz, Geforce FX5600 256MB, 512MB RAM, 160GB HDD, Sound Blaster Live! SB0100 - Win 98/XP

Reply 1 of 15, by bloodem

User metadata
Rank Oldbie
Rank
Oldbie

This behavior is not related to capacitors. The usual cause is dead VRAM ICs / broken solder joints, but it can also be caused by a number of other problems (including a dead core).
Under normal conditions, the card should be repairable.

2 x PGA132 / 5 x Socket 3 / 9 x Socket 7 / 12 x SS7 / 1 x Socket 8 / 14 x Slot 1 / 5 x Slot A
5 x Socket 370 / 8 x Socket A / 2 x Socket 478 / 2 x Socket 754 / 3 x Socket 939 / 7 x LGA775 / 1 x LGA1155
Current PC: Ryzen 7 5800X3D
Backup PC: Core i7 7700k

Reply 2 of 15, by stealthjoe

User metadata
Rank Member
Rank
Member

Thanks for the info bloodem. In the case of dead VRAMs or dead core replacement, how difficult is it to source these parts (don't have a donor V3 card)? There seems to be a seller on ebay with V2 VRAMs, but couldn't find one with V3.

Intel 845GEBV2, Pentium 4 2.4 Ghz, Geforce FX5600 256MB, 512MB RAM, 160GB HDD, Sound Blaster Live! SB0100 - Win 98/XP

Reply 3 of 15, by pentiumspeed

User metadata
Rank l33t
Rank
l33t

That pattern is same as mine, check the tracks on backside of PCB, you might find one or two is cut.

But my voodoo3 3000 had cut tracks and bad VRAM (that kind of pattern like yours), so I had to replace them. New VRAM chips are still available on ebay. Make sure to buy 1Mb x 16 bits, with 6ns or faster.

Cheers,

Great Northern aka Canada.

Reply 4 of 15, by stealthjoe

User metadata
Rank Member
Rank
Member
pentiumspeed wrote on 2023-01-24, 23:23:

That pattern is same as mine, check the tracks on backside of PCB, you might find one or two is cut.

But my voodoo3 3000 had cut tracks and bad VRAM (that kind of pattern like yours), so I had to replace them. New VRAM chips are still available on ebay. Make sure to buy 1Mb x 16 bits, with 6ns or faster.

Cheers,

Hello pentiumspeed. I looked at the card's backside, but was unable to find any cuts on the tracks.

1674614203534.jpg
Filename
1674614203534.jpg
File size
1.97 MiB
Views
512 views
File license
Public domain

Also removed the heatsink and unable to notice any damages on the front side.

Voodoo 3 front.jpg
Filename
Voodoo 3 front.jpg
File size
1.68 MiB
Views
512 views
File license
Public domain

Tried searching for the video RAM for voodoo 3 on ebay with MT48LC1M16A1 (the VRAMs). I was indeed able to get some listings. However all of them are 7ns (-7 marking). Below is the link:
https://www.ebay.com/itm/393079896670?hash=it … ABk9SR8LZuPC8YQ

Let me know if this should work? Also is there any way to test which VRAMs are bad?

Intel 845GEBV2, Pentium 4 2.4 Ghz, Geforce FX5600 256MB, 512MB RAM, 160GB HDD, Sound Blaster Live! SB0100 - Win 98/XP

Reply 5 of 15, by Doornkaat

User metadata
Rank l33t
Rank
l33t

R65 appears to be missing on your card and R66 looks like it may need resoldering as well. They're right above the main chip. Try replacing/resoldering those before you replace your RAM chips.
I think both are 33Ohms but I don't currently have any V3 cards here to check myself.

Reply 6 of 15, by stealthjoe

User metadata
Rank Member
Rank
Member

Thanks for noticing that Doornkaat. Checked R66 and the number on that is 330 (33 ohm I guess). Any idea of the R65 resistor value?

Intel 845GEBV2, Pentium 4 2.4 Ghz, Geforce FX5600 256MB, 512MB RAM, 160GB HDD, Sound Blaster Live! SB0100 - Win 98/XP

Reply 7 of 15, by Doornkaat

User metadata
Rank l33t
Rank
l33t
stealthjoe wrote on 2023-01-25, 04:45:

Thanks for noticing that Doornkaat. Checked R66 and the number on that is 330 (33 ohm I guess). Any idea of the R65 resistor value?

I think they're both 33Ohms but my cards are all in storage right now so I can't check myself.
Anybody got a Voodoo3 AGP handy to confirm?

Reply 8 of 15, by stealthjoe

User metadata
Rank Member
Rank
Member

Checked with another V3 card which was received today. The R65 value is indeed 33 ohms.

Intel 845GEBV2, Pentium 4 2.4 Ghz, Geforce FX5600 256MB, 512MB RAM, 160GB HDD, Sound Blaster Live! SB0100 - Win 98/XP

Reply 10 of 15, by stealthjoe

User metadata
Rank Member
Rank
Member

Still awaiting the heatsink and thermal tape ordered a while ago through eBay for this card. Getting delayed due to Chinese new year.
Have also ordered the 0603 33 ohms resistor. Probably should be able to solder and test this one in a week or two 😀

Intel 845GEBV2, Pentium 4 2.4 Ghz, Geforce FX5600 256MB, 512MB RAM, 160GB HDD, Sound Blaster Live! SB0100 - Win 98/XP

Reply 11 of 15, by stealthjoe

User metadata
Rank Member
Rank
Member
Doornkaat wrote on 2023-01-25, 12:15:

Fingers crossed replacing the resistor will fix your card's issues.🤞

Hopefully. Let's see. Recently got the 33 ohm 0603 resistor and soldered it a few days back:

Voodoo 3 repaired.jpg
Filename
Voodoo 3 repaired.jpg
File size
1.94 MiB
Views
316 views
File license
Public domain

Next was anxiously awaiting the heatsink. The one ordered through ebay would probably take another couple of weeks. So got one locally with a thermal tape pre applied. This one is 40x40x20 mm (hopefully this should suffice for the card). Received it today. Planning to add a fan soon:

heatsink 1.jpeg
Filename
heatsink 1.jpeg
File size
33.7 KiB
Views
316 views
File license
Public domain
heatsink 2.jpeg
Filename
heatsink 2.jpeg
File size
34.91 KiB
Views
316 views
File license
Public domain

Then fixed it to the Voodoo 3 card:

Voodoo 3 heatsink.jpg
Filename
Voodoo 3 heatsink.jpg
File size
1.46 MiB
Views
316 views
File license
Public domain

At last, proceeded to boot the system. Heart pounding. Fingers crossed🤞🤞

.
.
.
.
.
.
.
.
.
.
And finally!!!!!!!

Startup bios.jpeg
Filename
Startup bios.jpeg
File size
91.76 KiB
Views
316 views
File license
Public domain

Hooray!! The issue is finally fixed. No more distorted output.
Thank you so much Doornkaat!!!! 😀

Intel 845GEBV2, Pentium 4 2.4 Ghz, Geforce FX5600 256MB, 512MB RAM, 160GB HDD, Sound Blaster Live! SB0100 - Win 98/XP

Reply 12 of 15, by Doornkaat

User metadata
Rank l33t
Rank
l33t
stealthjoe wrote on 2023-02-05, 08:51:
Hopefully. Let's see. Recently got the 33 ohm 0603 resistor and soldered it a few days back: […]
Show full quote
Doornkaat wrote on 2023-01-25, 12:15:

Fingers crossed replacing the resistor will fix your card's issues.🤞

Hopefully. Let's see. Recently got the 33 ohm 0603 resistor and soldered it a few days back:

Voodoo 3 repaired.jpg

Next was anxiously awaiting the heatsink. The one ordered through ebay would probably take another couple of weeks. So got one locally with a thermal tape pre applied. This one is 40x40x20 mm (hopefully this should suffice for the card). Received it today. Planning to add a fan soon:

heatsink 1.jpeg
heatsink 2.jpeg

Then fixed it to the Voodoo 3 card:

Voodoo 3 heatsink.jpg

At last, proceeded to boot the system. Heart pounding. Fingers crossed🤞🤞

.
.
.
.
.
.
.
.
.
.
And finally!!!!!!!

Startup bios.jpeg

Hooray!! The issue is finally fixed. No more distorted output.
Thank you so much Doornkaat!!!! 😀

I almost missed this post. Great success!😁👍 Glad it actually was that resistor and not broken VRAM.😃
Thank you for the update too!😎

Reply 13 of 15, by Ozzuneoj

User metadata
Rank l33t
Rank
l33t

Nice job on the repair! That looks great! It isn't easy soldering those tiny components, and it's even harder to make them look decent, but you managed to do both. 😀

Now for some blitting from the back buffer.

Reply 14 of 15, by stealthjoe

User metadata
Rank Member
Rank
Member
Doornkaat wrote on 2023-02-07, 13:25:

I almost missed this post. Great success!😁👍 Glad it actually was that resistor and not broken VRAM.😃
Thank you for the update too!😎

Thanks Doornkaat! If not for your finding, wouldn't have proceeded much. VRAMs for this card are hardly available. Glad it wasn't that.

Intel 845GEBV2, Pentium 4 2.4 Ghz, Geforce FX5600 256MB, 512MB RAM, 160GB HDD, Sound Blaster Live! SB0100 - Win 98/XP

Reply 15 of 15, by stealthjoe

User metadata
Rank Member
Rank
Member
Ozzuneoj wrote on 2023-02-07, 19:38:

Nice job on the repair! That looks great! It isn't easy soldering those tiny components, and it's even harder to make them look decent, but you managed to do both. 😀

Thanks Ozzuneoj!! I am actually quite new to SMD soldering. However took a risk as I was desperate in trying to fix this card. Thankfully, the repair came out as intended.

Intel 845GEBV2, Pentium 4 2.4 Ghz, Geforce FX5600 256MB, 512MB RAM, 160GB HDD, Sound Blaster Live! SB0100 - Win 98/XP