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Tyan Thunder K7 driving me batty, please help!

Rilescat

Senior member
Good Morning,

I have a Thunder K7, running Dual 1.2gig Athlon MP processors. 256 megs of Kingston memory (K4H280438B-TCB0), Bios Rev. 2.10, and 2 ATA100 Western Digital Hard drives. I am running the system with SCSI disabled, the on board NICs disabled, and the on board Video disabled.

I am not running any additional controller cards. I am using a Muse sound card, and a Realtek ethernet adapter.

My operating system is Windows XP professional. I have installed all critical updates to March 3, 2002.

My issue is with my video.

I am presently running a Radeon 8500 64megs DDR. I am running driver version 6.13.3276.

Issue: I am only able to run 2D applications. I can run any applictions that run in 2D mode without issue. The system fully recognizes the card and installs it correctly. No errors are present upon installation, and the event viewer is also error free. Upon running any 3D application (C&C Renegade, Wolfenstien, etc.), however, the system will run the application for a few minutes, and then completely reboot the system. The system then posts, loads back into WindowsXP, and runs 2D applications fine. However, the system reboots every time I attempt to run a 3D app. There is not a definate time that it reboots in. Somtimes it will run up to 20 minutes, sometimes it only runs 2 minutes.

I have formatted the system and reinstalled from scratch. I have also put Linux, and Windows 2000 on the system. I have had the same issues.
I attempted to swap the video cards. I have a second Radeon 8500, a Radeon 64 DDR VIVO, and a GeForce 2 Ultra. All of the cards did the exact same thing. Each card works fine in whatever OS, but crashes on the 3D applications. I have removed all of the PCI cards, reset the BIOS to its defaults, and reinstalled. I get the same issue. Each of the four cards that I have work fine in other systems. I attempted switching sockets for the DRam, and I have also attempted to run the system in single processor mode. None of which helped.

The oddity: I have a Trident Blade3D video card. I am able to run 2D with this card. I am also able to successfully load and run 3D applications with this card. However, they perform exceedingly badly (blotchy screen, etc.), even for a Blade3D with only 8 megs of memory on the card.

Each of the 4 cards I mentioned earlier have at least 64 megs of memory on board. The Radeon cards are DDR.

Please tell me what I can do to fix this annoying issue!!!??????

I did notice there are some new switches in regards to Video in the new 2.10 bios. Would any of these assist me?

Thank you,

Shawn.Riley@semnetwork.com
Shawn.Riley@us.ibm.com
 
A graphics card in 2D needs next to no power
A graphics card in 3D needs a lot more power.

What is your power supply? Have you tried to replace it?

Thunder with Dual 1.2 AMD needs a LOT of power!
 


<< A graphics card in 2D needs next to no power
A graphics card in 3D needs a lot more power.

What is your power supply? Have you tried to replace it?

Thunder with Dual 1.2 AMD needs a LOT of power!
>>




Beat me to it. I agree. Also, try removing and reseating the card a few times. Could be making "just enough" contact to work, but not good enough contact to transfer large amounts of juice.
 
Another thing of course is the cooling. How hard have you stressed the system when running non-3D apps?
Could be that the 3D apps are the only thing that's pushed the system heat high enough to be an issue.
 
In regards to the PSU:

It is an NMB 460 Watt supply. (The goofy proprietary supply that the Thunder requires).

This is my second power supply. I had the same issues with the first one.

As far as cooling, the system does run warm. 42-50C per processor (temps. readable via the BIOS). What can I use to monitor my temps while in Windows?

Any other thoughts would be greatly appreciated!!!

Shawn


 
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