What is this pin header for? \ VOGONS

What is this pin header for?

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First post, by simbin

Posted on 2012-10-23, 07:19

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I have a S3 Trio64V+ video card I pulled from an IBM Pentium Pro desktop and I'm not sure what the pin header is for. There are 32 pins total. First there's 26, skips 2, then 6 more.

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Reply 1 of 9, by Tetrium

Posted on 2012-10-23, 07:29

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I tried to quickly look it up.
My guess is it's a 34 pin feature connector (apparently they exist according to this page (manual from a motherboard apparently)) http://www.elhvb.com/mboards/bcm/fm567/567OVW.asp

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Reply 2 of 9, by simbin

Posted on 2012-10-23, 07:45

simbin Offline

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Tetrium wrote:
I tried to quickly look it up.
My guess is it's a 34 pin feature connector (apparently they exist according to this page (manual from a motherboard apparently)) http://www.elhvb.com/mboards/bcm/fm567/567OVW.asp

I saw that too.. but really no detail as to what features. I'm guessing VESA, as people complain about poor VESA support on these cards?

I'd love to find some details as to what addons are available for that card.

WIP: 486DX2/66, 16MB FastPage RAM, TsengLabs ET4000 VLB
Check out my Retro-Ghetto build (2016 Update) 😀
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Reply 3 of 9, by DonutKing

Posted on 2012-10-23, 08:04

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It's a VESA feature connector.
You can use it to connect things like video capture cards, or DVD decoders.
For example, there were certain models of the ReelMagic MPEG decoder that used this connector.

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Reply 4 of 9, by Mystery

Posted on 2012-10-23, 08:06

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Well, the VESA feature connectors are only 26pins. Maybe the first 26 pins are for the VESA compatibility and the additional ones after the gap are some proprietary feature implemented by S3.

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Reply 5 of 9, by simbin

Posted on 2012-10-23, 08:15

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Wow! that's pretty neat. I take it there weren't a lot of these VFC devices.. not seeing a whole lot on Google.

WIP: 486DX2/66, 16MB FastPage RAM, TsengLabs ET4000 VLB
Check out my Retro-Ghetto build (2016 Update) 😀
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Reply 6 of 9, by Mystery

Posted on 2012-10-23, 08:45

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The Creative 3DO Blaster uses the VESA Feature Connector to transfer the video signal from the 3DO addon card to the Windows 3.1 video overlay.

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Reply 7 of 9, by simbin

Posted on 2012-10-23, 09:06

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Mystery wrote:
The Creative 3DO Blaster uses the VESA Feature Connector to transfer the video signal from the 3DO addon card to the Windows 3.1 video overlay.

ZOMG!! That is so F'n cool!! I had no idea that even existed. Maybe I'll get one someday.. in my dreams.. lulz.

WIP: 486DX2/66, 16MB FastPage RAM, TsengLabs ET4000 VLB
Check out my Retro-Ghetto build (2016 Update) 😀
Commodore 128D, iBook G3 "Clamshell"
3DO M2, Genesis, Saturn, Dreamcast, NES, SNES, N64, GBC