Diamond Monster II/Voodoo 2 recognize problem \ VOGONS

Diamond Monster II/Voodoo 2 recognize problem

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First post, by idan182

Posted on 2022-05-10, 06:55

idan182 Offline

Rank Newbie

Rank: Newbie
Posts: 82
Joined: 2022-01-18, 17:31

Hi all
I have this card, seller on ebay told me it's working perfect.

It has this weird resistor here (circulated in red) which I haven't seen before on Voodoo2 cards.

The attachment s-l1600.jpg is no longer available

I have tried this card on different W95 and W98 machine.
Card is recognized as Audio/video device.
I have tried 3 different drivers:

one from Phil's site, the Diamond monster II drivers.
retail voodoo 2 drivers, and fastvoodoo 4.6 drivers.

With all 3, I cannot enter properties.
It gives me this error:

The attachment 20220507_091808.jpg is no longer available

Then this:

The attachment 20220507_091859.jpg is no longer available

When I open the demo files from the drivers folder it gives me this:

The attachment 20220506_221436.jpg is no longer available

-On Midtown Madness 2, It won't recognize 3d card at all, even if I put the glide2x.dll in the game's folder.
-On Fifa 99, it recognize it with the 3d setup but game looks the same with the voodoo 2 and S3, so I am not sure whether it's working on the voodoo or not.

I have installed Unreal demo version, With FastVoodoo 4.6 and it does recognize "3dfx glide for windows" and the game is looking good!

The attachment 20220507_094144.jpg is no longer available

I have touched the chip to see if it gets hot, and it does but not very hot.
What's going on?

Reply 1 of 5, by TrashPanda

Posted on 2022-05-10, 07:01

TrashPanda Offline

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Rank: l33t
Posts: 2694
Joined: 2021-12-02, 12:19

Hmm that resistor shouldn't be there and it shouldn't have two different types of memory either, it kind of looks like someone has upgraded a 8mb card to a 12mb card.

Searching Google there are other examples of the Monster II having both the resistor and different types of Vram so its possible you have a similar revision of Monster II. (All with this resistor and odd pairing of memory are REV A)

Reply 2 of 5, by idan182

Posted on 2022-05-10, 07:20

idan182 Offline

Rank Newbie

Rank: Newbie
Posts: 82
Joined: 2022-01-18, 17:31

Here is the back of the card
So it has 8mb there and not 12mb

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Reply 3 of 5, by Gmlb256

Posted on 2022-05-10, 16:21

Gmlb256 Offline

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Posts: 2266
Joined: 2018-04-11, 15:33

Both memory types are 256K x 16, 25ns EDO.

EtronTech EM614163A-25: https://www.datasheets.com/en/part-details/em … nology-18928692
Mosel Vitelic V53C16258HK25: https://www.datasheets.com/en/part-details/v5 … ic-inc-18932974

Could you check with the DOS 3Dfx diagnostic utility? It can be located here and the file is called MOJO.EXE.

Reply 4 of 5, by idan182

Posted on 2022-05-11, 06:39

idan182 Offline

Rank Newbie

Rank: Newbie
Posts: 82
Joined: 2022-01-18, 17:31

I get this result:

The attachment 20220511_093448.jpg is no longer available

The attachment 20220511_093541.jpg is no longer available

Reply 5 of 5, by TrashPanda

Posted on 2022-05-11, 08:36

TrashPanda Offline

Rank l33t

Rank: l33t
Posts: 2694
Joined: 2021-12-02, 12:19

TMU1 Ram isn't being detected so the card thinks there is only 6mb of memory, each TMU should have 2mb. I would be checking all the Vram ICs so see if any of the legs are loose or damaged, its also possible mojo isn't detecting the card correctly.

The TMU with surface damage might also need checking to make sure all its legs are still attached to the PCB and have not cracked away.

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