3dfx Archive - Voodoo 5 5500 AGP with 4ns RAM

gdonovan YaBB Administrator Offline Infernal Collector Posts: 2361	Re: Voodoo 5 5500 AGP with 4ns RAM - it's modding Reply #15 - 06.10.06 at 22:52:00 Number of extra transistors is an issue of course but the VSA-100 is made with the same process and has active cooling.
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NitroX infinity YaBB Moderator Offline Posts: 1936 The Netherlands Gender:	Re: Voodoo 5 5500 AGP with 4ns RAM - it's modding Reply #16 - 07.10.06 at 00:55:31 The fact that it was made on the same process is the problem. It's a negative, not a positive. We all know what's possible with a VSA at .18 microns instead of .25.
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gdonovan

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Re: Voodoo 5 5500 AGP with 4ns RAM - it's modding
Reply #17 - 07.10.06 at 03:34:33

Quote:

The fact that it was made on the same process is the problem.

Depends on your point of view- The longer a process is used the better it gets and the higher the yields.

You end up with parts that will operate at high frequencies the longer a process is refined.

Yes a VSA-100 done on .18 would be nice but we have to work with what we have, the positives have to be noted along with the negitives.

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« Last Edit: 07.10.06 at 03:35:27 by gdonovan »

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m14radu

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Re: Voodoo 5 5500 AGP with 4ns RAM - it's modding
Reply #18 - 07.10.06 at 09:21:16

Hi,

It may be usefull to know the revision of VSA100, before changing the memoryes. Wink

If the VSA100 revision is 220 (or even 200) make non sens to change the memory, because these revisions do not reach 183Mhz.
In case of 330 revision make sense. Afaik only the 3700A has the 330 silicon ( V56K), and on the V5 5500 only the 220 revision is used.
Is there any software able to read the revision...otherwise the only sollution to read the VSA100 revision remains the coller removing ..... Angry

BR.
Radu.

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« Last Edit: 07.10.06 at 09:21:31 by m14radu »

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Obi-Wan_Kenobi Ex Member	Re: Voodoo 5 5500 AGP with 4ns RAM - it's modding Reply #19 - 07.10.06 at 10:55:57 Hmm well that explains alot mate, well if anywone get's a 6K with 4ns ram let us know we are will'n to see it rock 'n' roll w00t!
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m14radu

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Re: Voodoo 5 5500 AGP with 4ns RAM - it's modding
Reply #20 - 07.10.06 at 14:14:22

Found some pictures of the revisions:

200 ( afaik usend on V4 and V5 )

220 ( afaik usend on V4 and V5 )

for the 330 revision ( on V56K ) i have no Foto. Sad

maybe this revision is also used on V4 or V5, but i'm not sure..
Know somenbody the time period in witch each revision was used ? ( by reading the production time on the back of the card we can found out the VSA revision )
Br.
Radu.

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« Last Edit: 07.10.06 at 14:20:00 by m14radu »

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gtxe Junior Member Offline v56k user Posts: 54 germany Gender:	Re: v56k VSA100-Chip Reply #21 - 12.10.06 at 21:13:06 Here is a photo of the VSA100-Chip from my v56k:
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gamma742 God Member Offline 3Dfx Gamer Posts: 1668 San Diego, CA USA Gender:	Re: v56k VSA100-Chip Reply #22 - 13.10.06 at 04:54:25 Quote: Here is a photo of the VSA100-Chip from my v56k: Is that a 3700 V6K Chip?
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mikulaish Full Member Offline Just a chemist... Posts: 120	Re: Voodoo 5 5500 AGP with 4ns RAM - it's modding Reply #23 - 13.10.06 at 08:20:43 it is.
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m14radu

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Re: Voodoo 5 5500 AGP with 4ns RAM - it's modding
Reply #24 - 15.10.06 at 09:38:16

Just wonder if it is possible "somehow" to overclock memory and core seperately;
I know that the 3dfx Core and Memory clocks are locked as sync'd;
But can they be de-sychronised ?
It's this "core-mem sychronisyng" an VSA100 specifically issue ?
Theoreticaly it should be possible imho...of course with some hardware changes... Wink

Then it will make sens to have 4 ns memory, clocked at 250 MHz and a normal core at 183 MHz... Grin

Regards.
Radu.

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johnnybravofx

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Re: Voodoo 5 5500 AGP with 4ns RAM - it's modding
Reply #25 - 31.12.06 at 11:44:16

That`s a nice Work ALT-F13 !

BTW, did you test the card more intensive those days ?
Well, i will apreciate any information about the card behaviour, and of course your opinion about this modding advantages.
I`m sure that a lot of people from this forum are willing to try your mod, so please post more test and results !!!
Tongue

Did you change also the other card ?
Behave this card in the same way comparing to the first...

@m14radu : there should be a possiblitty to desyncronize the core and mem, but in order to do this you should be able to generate an adittional clock..
I have read the VSA Datasheet, and the VSA is spec for a work frecvency up to 200Mhz, no matter witch revision it is 200 or 220 or 320...so i'm very optimistic for this challenge !

Thank you very much!!!
Have an nice day.

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« Last Edit: 31.12.06 at 11:48:47 by johnnybravofx »

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m14radu

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Re: Voodoo 5 5500 AGP with 4ns RAM - it's modding
Reply #26 - 02.01.07 at 10:01:27

I'm also optimistic my Friend.
But, since i don't have more information, i can only make suposition about the overclockability of the VSA !
I'm also waiting answer from ALT-F13 !
Roll Eyes

Br.
Radu.
P.S. They are rumors about a voodoo5 6000 card who was clocked to 240 MHz . Card belong to Hank.
So, the perspectives are good.

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« Last Edit: 02.01.07 at 11:27:00 by m14radu »

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gamma742 God Member Offline 3Dfx Gamer Posts: 1668 San Diego, CA USA Gender:	Re: Voodoo 5 5500 AGP with 4ns RAM - it's modding Reply #27 - 03.01.07 at 00:48:12 Quote: I'm also waiting answer from ALT-F13 ! We haven't heard from ALT-F13 in quite a while now.. http://www.falconfly-central.de/cgi-bin/yabb/YaBB.pl?board=general;action=usersr...
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MrFossey Junior Member Offline \o/ Posts: 76	Re: Voodoo 5 5500 AGP with 4ns RAM - it's modding Reply #28 - 03.01.07 at 11:25:22 Quote: We haven't heard from ALT-F13 in quite a while now.. http://www.falconfly-central.de/cgi-bin/yabb/YaBB.pl?board=general;action=usersr... He probably pressed ALT-F4 instead of ALT-F13
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gamma742 God Member Offline 3Dfx Gamer Posts: 1668 San Diego, CA USA Gender:	Re: Voodoo 5 5500 AGP with 4ns RAM - it's modding Reply #29 - 03.01.07 at 16:01:33 I do miss hearing from him as he was very technicial and had some state of the art hardware.
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