Pre-flashing questions on a 7800GTX (256mb)

Discussion in 'PowerPC Macs' started by mulholland13, Dec 2, 2015.

  1. mulholland13 macrumors newbie

    Joined:
    Nov 29, 2008
    #1
    I was recently given a PCIe 7800GTX (not GT) with 256mb of RAM and if possible would like to flash it and pop it into my late 2005 G5.

    After a bit of digging, I've found roms for the 512mb GTX and the 256mb GT, but am coming up short in trying to find a rom for a 256mb GTX. Additionally, I've found a bit of conflicting information regarding the usability of the 256mb GTX (modded rom too large for the card, card works only in 10.4, etc.).

    That in mind, I was hoping someone might be able to 1) confirm is the card is usable on a G5 running 10.5, and if so 2) point me in the right direction of a usable rom.
     
  2. cw48494 macrumors regular

    cw48494

    Joined:
    Jun 17, 2015
    #2
    Pretty sure you aren't able to use that card, the modified rom would have came from an FX4500 which only came in 512mb flavors.
     
  3. tevion5 macrumors 68000

    tevion5

    Joined:
    Jul 12, 2011
    Location:
    Ireland
    #3
    In your ref you say you had a G5 Quad with 32GB memory. How is this possible?
     
  4. cw48494 macrumors regular

    cw48494

    Joined:
    Jun 17, 2015
    #4
    It's sitting in my closet, haven't had it long.
    8x4gb dimm

    It sees 32gb installed but can't utilize all of it.
     
  5. 128keaton macrumors 68020

    128keaton

    Joined:
    Jan 13, 2013
    #5
    That is cool. Imagine bringing that back to 2005
     

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