3dfx Archive - Enter the dragon: World's first Voodoo5 5500 128Mb

Komponent

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Re: Enter the dragon: World's first Voodoo5 5500 1
Reply #15 - 05.10.08 at 13:48:51

m14radu wrote on 05.10.08 at 12:54:46:

Very detailed modding instruction !
Btw: The 4.7K resistor is for the strapping configuration ?
Thanks Komponent for the good work !!!

Yes, removing the 2 marked resistors and adding the other 4 realises the new strapping configuration for the 128Mb card. Regular 4.7 KOhm 5% resistors can be used.

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gamma742

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Re: Enter the dragon: World's first Voodoo5 5500 1
Reply #16 - 05.10.08 at 19:51:36

Quote:

I have said before, I cannot be able to mod other types of cards until I sacrifice one of the same to reverse engeneer the PCB. That stands for Voodoo5 PCI and for Voodoo5 6000 too. I have to remove the GPUs of the research card and to find the connection points for the extra memory adresses and for the new strapping configuration. No other way is possible. Since I do not have a Voodoo5 PCI (or a 6000), I will try to buy a dead or damaged card to disassemble it, but I have no clue when will I be able to get one. So far, the only cards I can mod are Voodoo4 PCI and AGP from 3DFX and Voodoo5 5500 AGP. I will, no doubt, let you know when modding for more types of cards will get possible.

@Komponent

Your are the expert here.. I was wondering though, if the 5500 AGP uses the same GPU as the 5500 PCI wouldn't it stand to reason that for this memory mod connection points would be the same?? We aren't modifying the PCI/AGP bus interface only the memory configuration. Just thinking out loud.. I would think these cards would be very similar with the exception of the bus interface.

Keep up the good work Komponent Cool

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« Last Edit: 05.10.08 at 19:54:54 by gamma742 »

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Komponent

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Re: Enter the dragon: World's first Voodoo5 5500 1
Reply #17 - 05.10.08 at 20:42:15

gamma742 wrote on 05.10.08 at 19:51:36:

Your are the expert here.. I was wondering though, if the 5500 AGP uses the same GPU as the 5500 PCI wouldn't it stand to reason that for this memory mod connection points would be the same?? We aren't modifying the PCI/AGP bus interface only the memory configuration. Just thinking out loud.. I would think these cards would be very similar with the exception of the bus interface.

I cannot know if they are similar enough to allow the same kind of aproach for modding. I never owned a Voodoo5 PCI. Looking at pics over the Internet, I can see that the PCI PCB is very much different, though is resembles is some areeas to the AGP model. It might be possible that the essential points could be identified by a close visual inspection, but I have no way to examine such a card. Quick example: 2 resistors have to be removed; they are obviously not in the same position on the PCI PCB, nor do they have the same numbering; what to do? What I know for sure is that in Voodoo4 case, not only the PCB looks very much different, PCI versus AGP, but they also work in different way: on AGP Chip Select signaling is controled at logical level by the GPU; but on the PCI model, Chip Select is hardwired on the PCB; and this is only the first note that crossed my mind now. I can only know for sure how to mod a card if I reverse engeneer it. It is not that easy and removing GPUs is required for the researcs, among others, but this method does produces results. Good, working results...

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gamma742 God Member Offline 3Dfx Gamer Posts: 1668 San Diego, CA USA Gender:	Re: Enter the dragon: World's first Voodoo5 5500 1 Reply #18 - 06.10.08 at 01:19:10 Does anyone have a dead Voodoo5 5500 PCI card that they would be willing to sell to me and ship to Komponent for engineering purposes?
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Tritop Full Member Offline «» 3dfx Collector «» Posts: 175	Re: Enter the dragon: World's first Voodoo5 5500 1 Reply #19 - 06.10.08 at 03:55:38 Well I just bought a Voodoo 5 5500 PCI! I really hope it will be working though.
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paulpsomiadis God Member Offline -=3Dfx still rox!=- Posts: 2011 Newcastle U.K. Gender:	Re: Enter the dragon: World's first Voodoo5 5500 1 Reply #20 - 06.10.08 at 07:34:54 @Komponent - BIG KUDOS! But you'd better put some tape between those resistors, or... ZAP! Shorting! ZOMG!
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G1nX Senior Member Offline Running NSK Guardian Posts: 466 Romania Gender:	Re: Enter the dragon: World's first Voodoo5 5500 1 Reply #21 - 06.10.08 at 13:18:28 @ Komponent looking forward to the V4 PCI with 64Mb card. Let's hope a dead V5 pci finds it's way to you for reverse-engineering and then we would see another world first. Keep up the good work
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m14radu

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Re: Enter the dragon: World's first Voodoo5 5500 1
Reply #22 - 06.10.08 at 18:19:35

@Komponent : The pin21 from each RAM chips must be conected to a specific point. ( like in the foto that u provided ).
On the PCB is no trace for this pin ?
If yes, where is it lead ?
The idea is to avoid the long wires, and minimize the noise effect

If it's hard to find a dead v5 PCI, then it will be "misson imposibile" to find a v5 6000 for this mod Huh

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« Last Edit: 06.10.08 at 18:21:57 by m14radu »

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Thema Senior Member Offline Hardcore Powah Posts: 485 Slovenia Gender:	Re: Enter the dragon: World's first Voodoo5 5500 1 Reply #23 - 06.10.08 at 18:52:59 Outstanding, had to login Congratulations Komponent, quite a contribution
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osckhar

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Re: Enter the dragon: World's first Voodoo5 5500 1
Reply #24 - 06.10.08 at 19:07:25

Quote:

If it's hard to find a dead v5 PCI, then it will be "misson imposibile" to find a v5 6000 for this mod Huh

Hank is the key. I know that he has some v6k dead. If komponent talk via msn or email with him. Hank will help us in this project too.

About to find a V5 PCI. We can buy one functional model on ebay and later to share expenses between all the people interested to mod his V5 PCI.

Oscar.

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m14radu God Member Offline Take your chance ! Posts: 555 Timisoara, Romania Gender:	Re: Enter the dragon: World's first Voodoo5 5500 1 Reply #25 - 06.10.08 at 19:23:55 @Komponent: you can use an E-Tag for each moded V5 ! There should be also a list with moded v5, and theyr user !
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Komponent

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Re: Enter the dragon: World's first Voodoo5 5500 1
Reply #26 - 06.10.08 at 23:02:29

paulpsomiadis wrote on 06.10.08 at 07:34:54:

@Komponent - BIG KUDOS! Cool

But you'd better put some tape between those resistors, or... Undecided

ZAP! Shorting! ZOMG! Shocked

Ofcourse, future revisions will be much safer to use. I give another thought on using a glue gun to fix the added resisitors to the PCB.

G1nX wrote on 06.10.08 at 13:18:28:

@ Komponent looking forward to the V4 PCI with 64Mb card.
Let's hope a dead V5 pci finds it's way to you for reverse-engineering and then we would see another world first.
Keep up the good work Wink

Yes; I cannot wait to start working on the Voodoo4 PCI with 64Mb. There is a chance, as you know, that I might begin this project tomorow evening.

m14radu wrote on 06.10.08 at 18:19:35:

@Komponent : The pin21 from each RAM chips must be conected to a specific point. ( like in the foto that u provided ).
On the PCB is no trace for this pin ?
If yes, where is it lead ?
The idea is to avoid the long wires, and minimize the noise effect

If it's hard to find a dead v5 PCI, then it will be "misson imposibile" to find a v5 6000 for this mod Huh

If there were PCB traces for the A11 memory adresses of the RAM chips I would have used them... No; the mod had to be done this way and I see no visible noise added.

osckhar wrote on 06.10.08 at 19:07:25:

Quote:

If it's hard to find a dead v5 PCI, then it will be "misson imposibile" to find a v5 6000 for this mod Huh

Hank is the key. I know that he has some v6k dead. If komponent talk via msn or email with him. Hank will help us in this project too.
About to find a V5 PCI. We can buy one functional model on ebay and later to share expenses between all the people interested to mod his V5 PCI.
Oscar.

No rush going for the Voodoo5 PCI and even less for the Voodoo5 6000 modding. There are enough many requests for performing Voodoo5 AGP and Voodoo4 AGP/PCI mods and I have so little spare time, that I might be busy for some time. And after all, someone else than myself might succeed performing them before I will be able to finaly buy a Voodoo5 PCI...

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Komponent

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Re: Enter the dragon: World's first Voodoo5 5500 1
Reply #27 - 07.10.08 at 07:00:48

Update:
I found the problem that prevents Voodoo5 128Mb from working with Windows 2000/XP/2003: it is the miniport driver (a file usualy called 3dfxvsm.sys in Voodoo5 driverpacks). With all the verssions, Windows will not start; with the 3dfxvsm.sys from Microsoft's driver included inside XP it does start, but with only 16 colors (4bit) and with Quantum3D miniport driver for AA5 (renamed to 3dfxvsm.sys) it works with full colours and resolutions, yet it looses all hardware acceleration.
I do not thinck there is a work around the bug; we need a new compiled miniport driver! SFFT could help, but would he work his magic for the benefitt of only a handfull of cards?

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ps47 God Member Offline Keeper of the 3Dfx Helppage Posts: 988 Slovakia,central Europe Gender:	Re: Enter the dragon: World's first Voodoo5 5500 1 Reply #28 - 07.10.08 at 15:47:34 well,he did work his magic just for a couple of users until now,so that would not be a problem I guess.the real problem is-I doubt he can do it without physically having the modded card..
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RaverX God Member Offline Voodoo2 fan Posts: 533 Oradea, Romania Gender:	Re: Enter the dragon: World's first Voodoo5 5500 1 Reply #29 - 07.10.08 at 22:50:42 Well, maybe we should open a new thread to ask a driver for V5 5500 128 MB. If SFFT wants to write a driver, I would really like to see native widescreen support.
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