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 3DFX Voodoo5 5500 works on PCI-Express !!
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goriath
Average

Italy


125 Posts

Posted - 11/08/2011 :  23:49:39  Show Profile  Visit goriath's Homepage  Reply with Quote
All I can do (without the adapter in hands) is try to guess where D10 and C2 could be on the backside of the adapter:



BLUE DOTS=GND

According to my guessing, D10 and C2 aren't grounded by resistors.

D10 for example seems to be grounded directly

Note the cursive, I can't be sure of this without the adaptor in hands, since I can't see tracks on the frontside of the adapter; the best way to find out what we need is reverse-engineering the adapter

Edited by - goriath on 12/08/2011 00:14:04
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m14radu
Average

Romania
447 Posts

Posted - 12/08/2011 :  07:23:00  Show Profile  Visit m14radu's Homepage  Send m14radu a Yahoo! Message  Reply with Quote
Yes i agreed with you.
Reverse engineering =unsolder the bridge...this is the best way.

Asumming that you are right about the position of the C2 and d10..should we try to cut the connection to the ground and see the results ( see the yellow marks )?
If yes, how do you suggest to do this ?
What kind of tools should be used to interupt the circuit layer ?



L.E: I check with the multimeter, and after scratching a little bit these areas to get to the cooper, i found out that these points are connected to ground.

Follow your dreams !

Edited by - m14radu on 12/08/2011 10:13:38
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goriath
Average

Italy


125 Posts

Posted - 12/08/2011 :  16:17:42  Show Profile  Visit goriath's Homepage  Reply with Quote
quote:
L.E: I check with the multimeter, and after scratching a little bit these areas to get to the cooper, i found out that these points are connected to ground.


Great news!

So there are good chances I was right. Well, If I was you, I would try first to cut the track between the point I was supposed to be D10 and the respective GND and than try the adapter. A cutter could do the job. In the case you will want to restore the adapter to original conditions, should be possible rejoint the track with a bit patience.

Note that this is only what I would do if I had my own adapter; cannot guarantee that will works @66MHz or even that the adapter will still work after the mod, since we should study also the tracks on the frontside of the adapter first to say what must be done. I cannot take any responsibility.

Edited by - goriath on 12/08/2011 16:27:10
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m14radu
Average

Romania
447 Posts

Posted - 12/08/2011 :  17:27:06  Show Profile  Visit m14radu's Homepage  Send m14radu a Yahoo! Message  Reply with Quote
Yes . I understand you.
I do not know how to cut it...i know the risk is there to destroy the adapter...especialy when you are not skilled in such things.

Can you give me more details about the operation ?
:)

Follow your dreams !
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goriath
Average

Italy


125 Posts

Posted - 12/08/2011 :  17:56:01  Show Profile  Visit goriath's Homepage  Reply with Quote
quote:
Originally posted by m14radu

Yes . I understand you.
I do not know how to cut it...i know the risk is there to destroy the adapter...especialy when you are not skilled in such things.

Can you give me more details about the operation ?
:)



If you are planning to do this mod, I suggest you a simple cutter. Cut the track in two points, then remove the portion (about 1mm) cutted as follows:

O===|=|===O

If the mod had success, I would solder a micro-switch between D10 and GND, in order to switch on or off the mod in anytime
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m14radu
Average

Romania
447 Posts

Posted - 12/08/2011 :  21:24:23  Show Profile  Visit m14radu's Homepage  Send m14radu a Yahoo! Message  Reply with Quote
ok, i cut the track between the points that was supposed to be D10.
test are running now.


Follow your dreams !
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m14radu
Average

Romania
447 Posts

Posted - 12/08/2011 :  21:34:00  Show Profile  Visit m14radu's Homepage  Send m14radu a Yahoo! Message  Reply with Quote
Bad News.
Unfortunately, the card runs as before, @33Mhz.
no changes.

I also tried with the Pin49b on the voodoo card masked and not masked.
No difference.

Follow your dreams !

Edited by - m14radu on 12/08/2011 21:34:58
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goriath
Average

Italy


125 Posts

Posted - 12/08/2011 :  23:10:13  Show Profile  Visit goriath's Homepage  Reply with Quote
Oh, very bad

At this point I don't know how much can help cut C2 track too.

Are you able to repair the track if needed?
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m14radu
Average

Romania
447 Posts

Posted - 13/08/2011 :  08:13:12  Show Profile  Visit m14radu's Homepage  Send m14radu a Yahoo! Message  Reply with Quote
yes, i think i manage to repair the track.
the adapter is still working in the actual status, is not dead

I will take next week a better look on the track at my workplace, with a special magnifyer.

I'll keep you informed about the progress.

Thanks to everybody for the great support !

Follow your dreams !
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m14radu
Average

Romania
447 Posts

Posted - 14/08/2011 :  12:23:06  Show Profile  Visit m14radu's Homepage  Send m14radu a Yahoo! Message  Reply with Quote
And so it's looking now.
( Fotos is done with my smartphone )



Follow your dreams !
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jix-reggio
Average

France
124 Posts

Posted - 11/09/2011 :  23:35:23  Show Profile  Visit jix-reggio's Homepage  Reply with Quote
As Pci-E 1.0 is limited to 250 Gb/sec, does any guy would test carrefully PLX PEX8112 on Pci-Express 2.0 mainboard to verify if V5500 @66mhz -> 266 Gb/s would run on Pci-Express 2.0 ?


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voodoo5k6
Average

France
148 Posts

Posted - 23/09/2011 :  01:05:35  Show Profile  Visit voodoo5k6's Homepage  Click to see voodoo5k6's MSN Messenger address  Reply with Quote
Supermicro adaptor (66 mhz) is very good.
;)
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m14radu
Average

Romania
447 Posts

Posted - 01/10/2011 :  12:15:43  Show Profile  Visit m14radu's Homepage  Send m14radu a Yahoo! Message  Reply with Quote
Did somebody already try the new SFFT 1.7 with the PCIe adapter ?
Please poste some results guys !

Mine is not @home yet....

Follow your dreams !
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jix-reggio
Average

France
124 Posts

Posted - 02/10/2011 :  22:46:27  Show Profile  Visit jix-reggio's Homepage  Reply with Quote
Hello mradu14, Sfft 1.7 works just great on Win7 32 with V5500 Pci bridged with PLX pex8112 !
Looks like a major release !
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m14radu
Average

Romania
447 Posts

Posted - 03/10/2011 :  09:51:36  Show Profile  Visit m14radu's Homepage  Send m14radu a Yahoo! Message  Reply with Quote
Thanks for the feedback !
My pcie adapter will arrive today so that i will test him with the newest sfft 1.7 driver.
I'm curious to see the results from the agp2pci adapter!
Let's hope that Osckhar have some time for testing ;)

Follow your dreams !
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