Tom's Hardware > Forum > Graphic & Displays > ATI > Windows detects only 512mb in connect3d hd4870 1gb :(

Windows detects only 512mb in connect3d hd4870 1gb :(

Forum Graphic & Displays : ATI - Windows detects only 512mb in connect3d hd4870 1gb :(

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hi folks, i have problem with my graphic card, all windows (xp 32bits & xp 64bits) detect only 512mb from 1gb
i have connect3d hd4870 1gb, in past, i saw 1gb, but this problem come a month ago,
any one can help?
my config: Abit IX38 quadgt
intel q6600 g0
corsair 2x2gb kit 800mhz cl5
psu: cooler master 650w.....

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did u change any hardware?

Reply to fjc1998

What are you using to view this? Have you tried GPU-Z to see what it says? Have you changed drivers recently?

------------------------------ Phenom II X4 940 BE 3.0GHz - 1.25V > GA-MA790GP-DS4H > XFX ATI 4850 1GB > 4GB OCZ Platinum 1066MHz 5-5-5-15-2T > PCP&C 610W
Athlon II X2 250 3.0GHz > GA-MA770T-UD3P > Sapphire ATI 4650 512MB DDR3 > 4GB OCZ Platinum 1600MHz@1066MHz > XP/Win7 Enter 64
Reply to EXT64

i didn't change any hardware, & gpu-z also show 512mo,
but it's okay guys, i fixed the problem, i installed windows 7
& in gpu-z it's 1gb of ram, but in directx I see 2809mb, strange?!!!!

Reply to bjallal

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Windows detects only 512mb in connect3d hd4870 1gb :(

Forum Graphic & Displays : ATI - Windows detects only 512mb in connect3d hd4870 1gb :(