3dfx Archive - unknow 3dfx motherboard

osckhar

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Re: unknow 3dfx motherboard
Reply #15 - 23.11.13 at 12:31:50

Yes, I will. Not worry.

At the moment motherboard even not power up. It comes without any jumper cap and there is not info about where is the jumper power sw the board. I tested all the possibles jumpers but not way yet.

Motherboard looks in amazing good condition and it comes with Not For Resale stickers.

3DFx BRAZOS MOTHERBOARD STB SYSTEM INC 1998 - VOODOO3 ONBOARD

- Oscar.

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gdonovan YaBB Administrator Offline Infernal Collector Posts: 2361	Re: unknow 3dfx motherboard Reply #16 - 23.11.13 at 13:03:02 Very nice Oscar.
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Thandor

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Re: unknow 3dfx motherboard
Reply #17 - 23.11.13 at 13:29:25

Perhaps you can find the correct pins by measuring with a multimeter. Try measuring between pins and the 3.3V PWR_ON signal from the 20-pin ATX power connector. Not sure if this works on any motherboard, though.

Picture looks good Oscar!

I see that the battery is not placed. In the past I've seen some motherboards that did not boot up if the battery was not present.

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« Last Edit: 23.11.13 at 13:35:24 by Thandor »

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EMPEROR Junior Member Offline 3dfx enthusiast Posts: 67 Germany Gender:	Re: unknow 3dfx motherboard Reply #18 - 23.11.13 at 13:36:32 Nice one Oscar! Now this is really rare collectors stuff!!! Btw what slot is this in front of the AGP slot?! Is if for an upgrade card (combined with the AGP) for socket processors?!
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ultima God Member Offline Always searching Posts: 876 The Netherlands Gender:	Re: unknow 3dfx motherboard Reply #19 - 23.11.13 at 14:25:11 looks to be an AMR slot: http://www.hardwaresecrets.com/printpage/AMR-CNR-and-ACR-slots/46 btw, did anyone notice that this board lacks the onboard dvi connector that is on the other picture?
Back to top	« Last Edit: 23.11.13 at 14:27:06 by ultima » 3DFX Playrig: Aerocool Strike-X Air SuperMicro H8DAE Dual Opteron 280 @ 2.4Ghz (4 cores) 4 x 1GB PC3200 3DFX Voodoo5 5500MAC PCI WD 160GB ATA100/133 Diamond MonsterSound MX300 Windows2000 SP4 IP Logged

m14radu God Member Offline Take your chance ! Posts: 555 Timisoara, Romania Gender:	Re: unknow 3dfx motherboard Reply #20 - 23.11.13 at 14:43:19 Great card Osckhar ! What about the voodoo5 6000 ? Seems to be a rev 3400 Is ist functional ? Please post some pictures with the card too.
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goriath

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Re: unknow 3dfx motherboard
Reply #21 - 23.11.13 at 14:54:48

ultima wrote on 23.11.13 at 14:25:11:

btw, did anyone notice that this board lacks the onboard dvi connector that is on the other picture?

Looking at the PCB It doesn't seem a DVI connector missing, but the midi port (with audio jacks) instead...
I hope to be wrong, otherwise it won't be possible to enjoy Aureal Vortex sound on-board Undecided

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« Last Edit: 23.11.13 at 14:56:27 by goriath »

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Loeschzwerg

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Re: unknow 3dfx motherboard
Reply #22 - 23.11.13 at 15:03:31

osckhar wrote on 23.11.13 at 12:31:50:

At the moment motherboard even not power up. It comes without any jumper cap and there is not info about where is the jumper power sw the board. I tested all the possibles jumpers but not way yet.

Workaround if you can't find the jumper:
Short Pin 14 of the ATX main connector to ground for a second, the powersupply will then power up.

The power switch jumper for the frontpanel is doing exactly the same Wink

Edit: Another idea, use a multimeter and check ATX pin 14 against the front panel connections, you should then be able to find the power switch. One pin next to it should then lead to ground, which you can check also by measuring.

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« Last Edit: 23.11.13 at 15:06:19 by Loeschzwerg »

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EMPEROR

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Re: unknow 3dfx motherboard
Reply #23 - 23.11.13 at 15:27:09

ultima wrote on 23.11.13 at 14:25:11:

looks to be an AMR slot:

http://www.hardwaresecrets.com/printpage/AMR-CNR-and-ACR-slots/46

btw, did anyone notice that this board lacks the onboard dvi connector that is on the other picture?

Looks like it, but on the link you have shown, it can't go in front of the AGP bus (it's actually a little bit behind it), not to mention to have a spare space as on the Oscar's board.

And yeah, goriath is right, it's the midi + speakers/line in/mic ports missing, but it seems it's all there but the ports.

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« Last Edit: 23.11.13 at 15:29:04 by EMPEROR »

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ultima

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Re: unknow 3dfx motherboard
Reply #24 - 23.11.13 at 16:54:27

EMPEROR wrote on 23.11.13 at 15:27:09:

ultima wrote on 23.11.13 at 14:25:11:

looks to be an AMR slot:

http://www.hardwaresecrets.com/printpage/AMR-CNR-and-ACR-slots/46

btw, did anyone notice that this board lacks the onboard dvi connector that is on the other picture?

Looks like it, but on the link you have shown, it can't go in front of the AGP bus (it's actually a little bit behind it), not to mention to have a spare space as on the Oscar's board.

And yeah, goriath is right, it's the midi + speakers/line in/mic ports missing, but it seems it's all there but the ports.

actually it can, it's just not common.

In this case you can use the AMR slot when you don't occupy the agp slot and just use the onboard V3

BTW, what kinda ram is that for the V3? -6? I seem to remember they wanted to put a 200Mhz part on the Brazos, or was I misinformed?

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« Last Edit: 23.11.13 at 16:55:33 by ultima »

3DFX Playrig:

Aerocool Strike-X Air
SuperMicro H8DAE
Dual Opteron 280 @ 2.4Ghz (4 cores)
4 x 1GB PC3200
3DFX Voodoo5 5500MAC PCI
WD 160GB ATA100/133
Diamond MonsterSound MX300
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RaverX

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Re: unknow 3dfx motherboard
Reply #25 - 23.11.13 at 20:43:50

osckhar wrote on 23.11.13 at 12:31:50:

At the moment motherboard even not power up.

From my experience you need an older power supply for those motherboards (slot 1 and older motherboards). Try to find and old (but good) ATX PSU, ideally something without the P4 connector.

Something like Delta or Forton 250W would be nice, newer model with P4 connector might work, but if the PSU has 20+4 main connector and SATA connectors it will not work, I believe because it doesn't have enough 5V power.

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osckhar

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Re: unknow 3dfx motherboard
Reply #26 - 25.11.13 at 12:03:07

Thanks at all!

I did some small progress. Now motherboard power ups but I still did not wake up the lady.

Now, I need to re-check all the jumpers and specially cpu jumper set. I wish it works as all the motherboards for setting the correct speed to the CPU.

I keep you informed.

ps. This motherboard is driving me crazy since I have found 3 jumpers makes the motherboard power on. It is very odd... Important all the component are getting hot.

Regards,
Oscar.

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ultima God Member Offline Always searching Posts: 876 The Netherlands Gender:	Re: unknow 3dfx motherboard Reply #27 - 25.11.13 at 13:30:43 I would cross reference the jumpers with other BX440 boards, or whatever intel chipset is on there. jumper settings should be the same, just set it to extremely low, to be sure you're not overclocking and go from there. And I would put cooling paste on the chips and heatsinks, as to cool them down a little
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osckhar

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Re: unknow 3dfx motherboard
Reply #28 - 26.11.13 at 11:21:53

Hi,

I own a P3 500Mhz 100Mhz front bus but I still did not get pc starts. There are 4 jumpers for CPU setting it and I used ON OFF OFF ON / It gives 5x multiplier and also tried OFF ON ON OFF since motherboard jumper set does not shows any info even where is the first pin and what is ON / OFF position.
Perhaps bios is not compatible with such cpu and I would need another CPU. There is a jumper for set 66MHz. I guess by default motherboard works 100MHz front side bus.

Yes, I am using a newer PSU. Anyone can confirm old motherboards will not work using new PSU generation?

ps. I still thinking the problem is for not right jumper set. I used as reference the picture goriath uploaded but sadly in the motherboard there are not mark or sign how to use correctly the jumper position.

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G1nX

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Re: unknow 3dfx motherboard
Reply #29 - 26.11.13 at 11:35:03

osckhar wrote on 26.11.13 at 11:21:53:

Hi,

I own a P3 500Mhz 100Mhz front bus but I still did not get pc starts. There are 4 jumpers for CPU setting it and I used ON OFF OFF ON / It gives 5x multiplier and also tried OFF ON ON OFF since motherboard jumper set does not shows any info even where is the first pin and what is ON / OFF position.
Perhaps bios is not compatible with such cpu and I would need another CPU. There is a jumper for set 66MHz. I guess by default motherboard works 100MHz front side bus.

Yes, I am using a newer PSU. Anyone can confirm old motherboards will not work using new PSU generation?

ps. I still thinking the problem is for not right jumper set. I used as reference the picture goriath uploaded but sadly in the motherboard there are not mark or sign how to use correctly the jumper position.

Try to use an P2 CPU with 66Mhz bus. Even if the jumpers are set wrong it should default to minium BUS and multiplier values. Did you ask the engineer if he has some manuals to share for this mainboard to get it going?

I can confirm issues with older mainboards when using newer PSUs with high wattage. A PPro mainboard I had would rarely start-up or just freeze during post when combined with a 420W Chieftec PSU which works fine on newer boards. An old 250W Sparkle PSU worked without issues on the same Ppro mainboard so I do suggest getting a similar PSU for testing the 3dfx prototype mainboard you have.

Good luck,
G1nX

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