I found Vga HD4850 Pics and in this components, pcb put: CXXX ... http://www.techpowerup.com/reviews/P.../back_full.jpg C is for Capacitors....
I buyed months ago, a HD7950 Card with 3GB in local Shop. I used this card in Old computer 775 with Msi motherboard, and Vga work fine. I Update...
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