x1650 Pro Graphics Card

[zigtown]

Hey guys Im trying to get my Saphire x1650 Pro 512 Pci-e card working
I have tried hex editing and everything but to no avail.
If you have any ideas or could provide me with an efi string that would be awesome!!
Display:

Type: Display
Bus: PCIe
PCIe Lane Width: x16
VRAM (Total): 256 MB
Vendor: ATI (0x1002)
Device ID: 0x71c1
Revision ID: 0x009e
Kernel Extension Info: No Kext Loaded
Displays:
Display:
Resolution: 1024 x 768
Depth: 32-bit Color
Core Image: Software
Main Display: Yes
Mirror: Off
Online: Yes
Quartz Extreme: Not Supported

thats what I have now

[zigtown]

I know that it says I have 256 but I def have 512