Voodoo3 PCI with missing caps \ VOGONS

Voodoo3 PCI with missing caps

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First post, by SPiKA85

SPiKA85 Offline

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Joined: 2020-06-25, 19:37

I have a Voodoo3 2000 PCI (The one with TSOP SDRAM) with 2 missing components.
The card works fine as is, but I want to repair it just in case.
For C132, I have a dead STB V4400 that has the exact same cap... but does anyone know the values of the smd cap on C129?

Reply 1 of 1, by sfryers

Posted on Yesterday, 17:46

sfryers Offline

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Joined: 2023-03-31, 18:20
Location: United Kingdom

SPiKA85 wrote on Yesterday, 03:32:

For C132, I have a dead STB V4400 that has the exact same cap... but does anyone know the values of the smd cap on C129?

C129 isn't populated on my Voodoo 3 2000 PCI. Search results for other similar cards suggest this is the norm. The board appears to have been designed to have a low-value, high-frequency filtering cap (maybe 100nF) at that location, but 3dfx presumably realised they could save a fraction of a penny by leaving it out.

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