I just leave it "AUTO". 

I heard someone says this board do not support AGP 3.3v and since that voodoo run at 3.3v AGP. But this mainboard support 1,2,4x...

Is't about the 133 FSB?  Hmm...

OK...Let me explain from the beginning.

1---First I take out the mobo from the box.
2---I plug everything in.(Processor, RAM, etc)
3--Turn on the computer. Everything looks fine, except my Athlon 1700+ XP to beshown as 1100.
4---Go to Bios and set the FSB to 133. & Reboot
5---The 4 beeps sound occur, then the system run like normal.

This 4 beep sound normally tell you that you got probleam with the VGA  and won't boot up.

but mine will continue running like normal. ???

Hmm...

Difficult Problem.

Strangely, I've read in numberous places already, that there are some increasing Problems with getting older GFX Cards to run on 133MHz FSB...

Yet, the Problems appear rather random, some Users report even very old cards to run flawless, while some cannot get Cards like Voodoo2 or Matrox G400 to initialize on high FSB...

In general, I'd really make sure the Motherboard does support 3.3V AGP. If it does not, running the Voodoo3 in that Motherboard will significantly overstress its Voltage Regulators, and ultimately can destroy the Motherboard (!)

(Quite a number of 1.5V AGP only Motherboards got killed by their Users that way already )

If it does support 3.3V AGP, I'd set everything in the Bios to max. compatibility, and then try 133MHz FSB.

It might also have to do with Latency timings (if available, play with 32, 64, or even slightly higher values), but that's a far shot...

There are 2 version of BIOS...Which should I use?

BIOS Type  Award® BIOS  File Size  235KB 
Version  3.0  Update date  2002-6-20 
Update Description  This is Award BIOS release 

BIOS Type  Award® BIOS  File Size  238KB 
Version  3.1  Update date  2002-9-16 
Update Description  support AMD XP2400+ & XP2600+ CPU 

???

Well, in this case you're risking the Board to go up in flames (almost literally, as the Voltage Regulators might blow, or 'burn out' ).

If the Bios offers 1.5,1.6,1.7V, these are indeed only meant to give a slight boost to 1.5V AGP cards (OverClockers love those options).
Auto should use default 1.5V.

There is a really remote chance, that Auto might indeed give you 3.3V (yet unlikely). The only way to confirm that would be the Hardware Monitoring of either the Bios, or Monitoring Software. But if those don't display the AGP Voltage, assume worst case, only 1.5V supported.

The Bios release should always be the latest one you can find, if you decide to flash. There's is no need to 'step-by-step' flash them, just do it once with the latest one.

It seems your Board comes in different Revisions and Releases.
You must flash the Version matching your current Bios Software (either AMI or AWARD). It should tell you at Power-On, and in the Bios itself.

The Flash Programs are usually smart enough to see if there's a mismatch, but I wouldn't rely on that.

Note also, that a Bios Update normally cannot give you 3.3V AGP if that wasn't in there in the first place. This is a Hardware limitation, and the AGP slot probably has gaps/bumps (on 1.5V and 3.3V Signaling Pins) that should physically prevent a 3.3V only AGP Card to be installed onto a 1.5V only Slot and vice versa.

Unfortunately, many of the old 3.3V Cards fit anyway into these 1.5V Slots, due to such matters being simply disregarded in the old days
----------------------------------

From the current look at things, it seems that you're really hosed

You either look into PCI cards (in case it MUST be a Voodoo), or choose other 1.5V AGP cards...

Your 25 Voodoo3's probably have to end up at Ebay in order to minimize the losses I guess

Since I don't know what purpose those Voodoo3's were meant to have, you'll have to see for yourself, what other PCI/AGP cards might suit your needs...

This should be present in the "Hardware Monitoring" of your Motherboard's BIOS.

It might be listed under a different name, but it's still easy to find.

Monitoring Software is usually delivered with your Motherboard's CD. Otherwise Freeware tools like MBprobe or MBM 5 (Motherboard Monitor) will do the job.

But anyway, if you cannot boot with the Voodoo3 installed, both ways are useless, since none of them can be accessed....

What price you can sell your Voodoo3's will largely depend on the present demand, and your location...
Ebay will certainly be the best place to sell.

I'd suggest selling one Card there initially, and see what you still get for it. After that, you'll have to decide if that's good enough for you to sell the rest...
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Pretty bad, that there are no locks preventing a 3.3V Card to be plugged in
But I guess most current Manufacturers just don't think someone would use some of the older 3.3V Cards in modern Motherboards...

PS.
Where from did you get so many Voodoo3's, and at what price ? (you said it was expensive, so I'm curious).

The current prices on ebay vary about from 10$ to 20$ for AGP Voodoo3's, but that as well depends on where you're at (e.g. French, German, US Ebay, which do differ alot in prices sometimes).

Yeah...that's what I am wondering what's the probleam.

I just finish assemble the second system with the same spec.

AMD Athlon 1700+XP
MSI KT3 Ultra2
PC2100 256MB Kingston
Voodoo 3 2000
etc...

and the same problem consist. 4 beep sound before the computer run like normal. Grrrrrrrrr...... no idea at all.
Now I just put this 2 system on 1 week testing period of time. If there's an error or damage on the mobo, then I can warranty it with my dealler.

But the 4 beep sound really not a normal sound on a system. Beside's really annoying each time Turn on the PC & restart the PC grrrrr...whatever. Can somebody help me please......