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X800 Pro VIVO to X800 XT (PCI-Express) ??

Discussion in 'Graphics Cards' started by bumpy, Nov 28, 2004.

  1. bumpy New Member

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    Has anyone tried to flash the bios from X800 Pro VIVO to X800 XT on a new PCI-Express video card?

    One reason I went with ATI for my PCI-Express motherboard was that Nvidia wasn't redesigning their architecture for the new PCI-Express setup. They were merely slapping on an adapter chip onto the card. On the other hand, I heard that ATI was actually redesigning some of their architecture for PCI-Express. Does this mean I shouldn't even listen to all of the BIOS flashing posts out there that are geared towards AGP cards? Or is the actual GPU chip and its BIOS the same for AGP and for PCI-Express?

    Thanks!
    Matt
     
  2. bumpy New Member

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    Bump. (informative bump)

    I'm still eager to hear if anyone has flashed one of these yet. Here's some good info:

    The techPowerUp site has a BIOS collection which actually includes one from a PCI-Express Radeon X800 XT made by Sapphire: http://www.techpowerup.com/bios/

    Also, this article is interesting: http://www.beyond3d.com/reviews/ati/r423/ It discusses the R423 chip used on the PCI-Express cards vs the R420 chip on the AGP cards. It sounds like they're identical, but the bus interface has been changed to natively support the 16 two-way lanes provided by PCI-Express.
     
  3. bumpy New Member

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    SUCCESS!!

    I flashed the BIOS on my X800 Pro VIVO PCI-E card and unlocked the four locked rendering pipelines. I believe the core/mem were running at 475/450 MHz before, and now they run at the XT's default 500/500 MHz.

    I bought the "Sapphire" ATI Radeon X800 Pro VIVO PCI-E OEM card from allstarshop.com: http://www.allstarshop.com/shop/product.asp?pid=9962

    I really don't think Sapphire made this card. I think it's just $20 cheaper than the ATI OEM card....but comes with a Sapphire CD-ROM. All Star Shop is great for video cards.

    Then I used w1zzard's modified flashrom.exe file: http://www.techpowerup.com/articles/100/images/flashrom16p.zip

    along with the bios for the **ATI** X800 XT PCI-E card from techpowerup.com: http://www.techpowerup.com/bios/?search=pci I tried the Sapphire BIOS first, but it didn't work. (Another reason I think that card wasn't really made by Sapphire)

    Here are the instructions for the flash utility (use the -f flag): http://www.techpowerup.com/articles/overclocking/vidcard/34
     
  4. Psycrow New Member

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    Sweet

    Hey just got a PowerColor X800 Pro VIVO PCI-E. couldnt get my Hands on an XT anywhere. Dying to try this mod this is the firs bit of info Ive seen on the PCI-E. Did you get the 1.6 ns Ram or the 2 ns?
     
  5. bumpy New Member

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    I don't know which RAM I have. I'm gonna get the Arctic Cooler ATI Silencer 4 pretty soon. When I put that on, I'll take a look and let you know.
     
  6. mindtrip New Member

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    I've got the PowerColor X800 Pro VIVO PCI-E (2 ns) card and sucsessfully bios patched it to a X800 XT using bumpy's instructions... I'm one god damn happy puppy to say the least!!

    Mindtrip
     
  7. Urlyin

    Urlyin Senior Moderator

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    Go Mindtrip... :D

    Thanks for all the info Bumby .... Maybe W1zzard needs to make this a sticky ... :cool:
     

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