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 Voodoo2 Setup and tweaking
 V2 (and Obsidian2) Glide driver kit 21/02/2010

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T O P I C    R E V I E W
koolsmoky Posted - 03/05/2005 : 04:24:43
Hi guys,

I'm dropping off a new V2 (and Obsidian2) Glide driver kit for those who still keep the good 'ol 3dfx V2 hardware for occasional spins of their favorite glide2x,3x apps. The kit includes bleeding edge builds of 3dfx glide2x,3x drivers from http://glide.sourceforge.net/ and new win2k/xp/vista 32bit miniport drivers.

fxgpio.sys, fxptl.sys

The glide driver uses 3dnow! and mmx optimizations. The miniport includes memmap fixes. Besure to read the readme.txt first. You have been warned.

Win2k/XP/VISTA 32bit: If the OS doesn't ask for a driver, install the drivers from the device manager.

Win9x/ME: Install the reference 3dfx V2 driver, then copy glide2x.dll and glide3x.dll to c:\windows\system.

For OpenGL, get Mesa for 3dfx Glide or Metabyte WickedGL or 3dfx MiniGL.

If you post feedbacks, remember to include a description of your pc setup, OS, app version, if the app uses glide2 or glide3, etc. And don't forget to thank the developers over at sourceforge.

* Removed dirty hacks from the windows miniport driver. Fixes potential system hangs on modern systems.
* The driver inf will set SSTV2_RGAMMA, SSTV2_GGAMMA, SSTV2_BGAMMA to 1.00
* Added grStippleMode and grStipplePattern. Using Glide64, Mario will now do his dissolve trick properly.
* Includes fixes for memmap errors and desktop corruptions.
* Optimized for 3dnow! and mmx.
* FX_GLIDE_SWAPINTERVAL = 0 will force VSYNC off. V2 SLI may have problems syncing the scanlines when VSYNC is off.
* Alphablending dither subtraction is disabled by default. Set SSTH3_ALPHADITHERMODE = 3 to enable dither subtraction.
* 4x4 dither matrics is used when alphablending dither subtraction is enabled. Other wise it's always 2x2.
* Set SSTV2_MISMATCHED_SLI = 1 for mismatched SLI support. This may not work due to differences in V2 board design. If you have problems try swapping the PCI slot order of the V2 boards.
* If the screen goes blank but you still hear the application running in the background, reconnect your display and pass-through cable to the second V2 or set SSTV2_SWAPBOARDS = 1
* Win9x/ME: copy glide2x.dll and glide3x.dll to c:\windows\system
* Quantum3D Obsidian2 X-24, X-16, and similar SLI boards must have
the following set.


Download Attachment: Voodoo2.zip
15   L A T E S T    R E P L I E S    (Newest First)
Pr1ha Posted - 26/01/2021 : 15:22:31
Originally posted by koolsmoky
* Win9x/ME: copy glide2x.dll and glide3x.dll to c:windowssystem

This does not work! :(
Tested on clean win98 and voodoo 2 sli and V3.02.02 reference drivers.
Glide Posted - 20/06/2020 : 16:13:35
Hi Schmatzler,

you're welcome and I'm sorry for my delay.

Many thanks to have shared your considerations and opinions. And I'm so happy you can enjoy your 3dfx Voodoo2 and launch Glide-based games with native hardware support!

See you soon
Schmatzler Posted - 30/04/2020 : 22:36:50
I know I'm a little late to the party here, but I just want to thank you for these drivers.

I've built myself a retro machine and spent countless days trying to get three mismatched Voodoo II's to run on it with the FastVoodoo drivers (Creative CT6670, PowerColor Evilking, Diamond Monster 3D II). None of them worked, most of the time my screen just turned itself off or the GUI was corrupted on Windows 98 with nothing happening.

These drivers have the same behaviour by default (screen turns off, nothing to see), but when I set the registry key SSTV2_MISMATCHED_SLI=1 they work reliably with every game I have on all of the cards I own.

This is awesome. I'll stay far away from FastVoodoo now and use the reference drivers with these patched glide.dll files.

And I really thought I'd have to buy a fourth Voodoo II. Thank god I don't. :D
Nightbird Posted - 23/03/2013 : 22:22:24
Is your card listed twice in the device manager tab of the system properties ?
Max_R Posted - 18/03/2013 : 00:16:27
As I've said, the installation is clean and there are two active process: Rundll32 and Systray.

The mainboard is a D9820-60009 mounted in the VL400 DT. DX9C and a Kyro2 are installed but I've also tried with the only integrated vga and DX6/7/8 with the same results.
Nightbird Posted - 17/03/2013 : 11:39:05
Can you do a ctrl-alt-del in order to see what is running ?
goriath Posted - 16/03/2013 : 15:53:58
Hey Max_R,

Have you already red this: http://www.falconfly.de/info/readme-quantum-winnt-obsidian2pf-v5p.txt ?

Q: When attempting to run an application, boot the computer, or
launch the Display Properties sheet, the error message "Mutual
Exclusion Error Prohibits This" come up?
A: There are various reasons this message may come up.
1. The card was not shut down properly, and is still active. Turn
your computer off, and then back on to resolve this error.
2. The drivers from a previous 3dfx Voodoo or Voodoo 2 card
were not properly removed. Please follow this procedure
<link to uninstall error> to remove our drivers and any
previous drivers.
3. Your system BIOS is not properly interpreting the PCI-to-PCI
bridge chip on the Obsidian2 200SB series of cards. Please contact
your motherboard manufacture to get the latest BIOS.

4. There is another Voodoo2 based video card in your system from a
different manufacturer that is causing a conflict. There can only be
one card based on this chip set. Please remove the other card.
5. Your card is not working properly. Return the card for a


Since both X-24s act the same way, I would try to change the platform.

EDIT: From the readings here and there this error seems to occurr as soon as another application is accessing to DirectX at the same time. I would try to change the 2D X24 companion, then select another video adapter too.

EDIT2: More details about the motherboard specs?
DirectX version?
Have you installed any kind of Win98 update?
Max_R Posted - 16/03/2013 : 01:31:27
Hi Nightbird,
no, the system has been formatted, so the X-24 is the only 3Dfx card.
The recurring error is "Mutual exclusion prohibits this" when I try to open the screen properties tab but sometimes it starts well without showing the Q3D Panel. Rarely also the Q3D panel appear.
I can't figure out what's happening!

Edit: oh, well.. I'm using Windows 98 SE ;)
Nightbird Posted - 15/03/2013 : 23:22:53
Was an other 3dfx card previously installed in your system ?
What is the error message ?
Max_R Posted - 15/03/2013 : 14:01:42
Hi there!
I was trying to use the X-24 in my old rig
P3 1GHz (core coppermine, 133mhz)
2x256MB Pc133
all mounted on a HP Vectra VL400 DT (desktop)
I've installed the official Q3D Obsidian2 Drivers 6CF but the system hangs
(I have two X-24 and both have the same problem but under Windows Xp both run well)
Sometimes I can't see the screen properties (with a strange error message) and sometimes I can see the properties without the Q3D panel
KoolSmoky seems to be less problematic but I still have no control panel and the games don't recognize the card.
Any idea?
Glide Posted - 07/08/2012 : 17:44:50
Hi Dobfk,

you're welcome here.

Many thanks for your report.

Bye bye
Dobfk Posted - 24/07/2012 : 18:42:26
Hi koolsmoky! :)

I've tried many-many drivers for my mismatched 3dfx Voodoo 2 12 MB SLI under XP, but almost all of them failed in various situations, except yours! :)

I'm using your latest driver, that you've posted here, and it works great!

Will you make any further updates for it?

Thanks!! :)

Best wishes,
sliderider Posted - 14/02/2011 : 14:54:15
Originally posted by ms-dos

Originally posted by netbeast

if anyone know how i can get a voodoo 2 to work in windows 7 please contact i know theres no current drivers and i dont know if anyone is making one im cheap right now but im computer doesnt handle any 3d.

there are drivers that work in win7 32-bit fo2 the voodoo2

but if you are use a 64-bit win7 installment you will need to use my 64 bit driver

but I have not used/tested my driver in win7 yet

Where is the 64-bit driver? I want to try with Win7x64.
ps47 Posted - 07/12/2010 : 11:39:52
koolsmoky's driver works fine under win7 32bit,even sli is ok-I have tested it myself.
ms-dos Posted - 06/12/2010 : 06:04:18
Originally posted by netbeast

if anyone know how i can get a voodoo 2 to work in windows 7 please contact i know theres no current drivers and i dont know if anyone is making one im cheap right now but im computer doesnt handle any 3d.

there are drivers that work in win7 32-bit fo2 the voodoo2

but if you are use a 64-bit win7 installment you will need to use my 64 bit driver

but I have not used/tested my driver in win7 yet


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