ATI recommends Catalyst Mobility for my Radeon 4850?!

JEDI

Lifer
Sep 25, 2001
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cpu/mobo=amd 960T/gigabyte 78LMT-S2P

fresh install of Win7.
new 4850 card.

i went to ATI's site and used auto detect.
it recommended Catalyst Mobility.

thats for laptops, right?
Why is it recommending it for my desktop?