Mobility firegl 5250 bios flash problem

I am attempting to flash the bios of my Ati mobility firegl 5250 to a mobility x1700 as they have the same hardware. I would first like to back up my original bios in case something stupid occurs. I have used flashrom, atiflash, and winflash. Flashrom cannot detect any hardware, atiflash tells me I do not have a bios, and winflash crashes upon opening.
Help would be greatly appreciated.
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More about mobility firegl 5250 bios flash problem
  1. Welcome to ther forums!

    Try GPU-Z.
    Not sure if that is a good idea though.
    You may be left with an unusable laptop.
  2. Gpu-z said that BIOS reading is not supported on my device.
    Thanks though.
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