So, finally here it is...in german, english and french :p

http://www.x86-secret.com/?option=newsd&nid=875

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Hehe, this is directly taken from a 3dfx datasheet 

"It would have been a better idea to use "slow" DDR instead of "fast" SDR memory, the cost was probably about the same with much less availability problems "

The VSA-100 isn't compatible with DDR ram, VSA-101 was.

"As far as we know there are around 150 Voodoo 5 6000 models in the world and around 30 working ones."

This isn't even close to being correct, there were several hundred V5-6000 made and far more then 30 working boards floating around.

"At the beginning an Intel chip was used to do this but it had some stability problems"

No, they had problems working on non-Intel motherboards.

"we can also see the 3700A revision which is the last produced one."

Nope, 3900 is the last revision and there is even rumor of a later revision.

"On the next picture you can see what the initially planned card looks like."

This was a non-function card for Comdex, it was impossible to route the traces.

"This configuration is known as Voodoo 5 6500."

Nope, that was a hoax, the Comdex board is also called V5-6000.

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If you look at Comdex '99 reviews pretty much all of them refer to the board as a 6000, not a 6500.

Only a site in Japan refers to is as a "6500" that might have been an error in translation.

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I understand this is all conjecture but-

There isn't a shred of proof of a V4-4000 VSA-100, a 16MB card was already available that was still selling briskly (Voodoo 3 16MB)

Even the very first VSA-100 prototype was a 32MB card, not 16MB.

You forgot about the 143mhz 4400 32 MB and the 64MB 4800. I suspect the 143 mhz part would have been a cheap "heatsink only" part for OEM's with a spec checklist.

The 6500 is mentioned originally on a site in Japan and was to an extent the only site covering Comdex '99 to do so.

The board designer of the PCB has also stated it was a 6000, not a 6500.

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The board designer was clear it was a V5-6000 and not a 6500. The 6500 is a mistake from the site in Japan, all the other sites that covered Comdex '99 list it as a 6000.

Even further proof- Comdex '99 was 11/15-19/1999 and I have a 3dfx PDF in regards to the V5-6000 that is created 11/9/1999.

3dfx-v5-6000AGP-brochure.zip

I'm fairly sure you can download it from FF, open with Adobe and check the document properties.

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1) This discussion is about VSA-100, so there is no reason to drag Daytona's in to confuse the issue.

2) We don't know the Daytona V4-2 4000 has SDRAM as anyone that has one isn't talking.

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1) The low cost part is conjecture on my part.

2) It was mentioned in a spec sheet from 3dfx included with the source code that is floating around.

3) I have no idea is any were made or not.

Question to board designer- Attached is a picture of the V6K 2x2 board that was displayed at Comdex '99 do you have any info on the design?

Answer- These were totally nonfunctional units built up just for a dog-and-pony at the show.  Parts were placed, but no routing.

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If you look at the VSA-100 data sheet and see how the traces would have to be run for ram/bus/agp you would see the 2 x 2 design would be just about impossible.

It was something to show the press, just like the Compaq 3500 with a VSA-100 decal on it.

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I'm sorry my glasses must be dirty, I see two totally different layouts.