standard vga graphic

[mastercracker]

ok
I buy a new xp server and its card is AMD and i install "Catalyst Drivers 11.12" for updating driver but i get this error : ERROR: clGetDeviceIDs() -1
------------------
GPU-Loops: 256
GPU-Accel: 160
Password lengths range: 1 - 55
Platform: AMD compatible platform found
ERROR: clGetDeviceIDs() -1
-----------------

What am i going to do ?
Thanks

Look at other posts, I think that you need something like the SDK 12.1