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Disabling shared video RAM

400 views 1 reply 2 participants last post by  Macboatmaster  
#1 ·
I have an i5-3570, though the mobo (ASRock P67 Pro3) doesn't support on-chip video. Just what I wanted, it keeps the CPU settings simpler. But I'm using a Ye Olde Radeon HD5770 video card with it.

I noticed something slightly irksome. I don't want the card using any system RAM. It's got 1GB built in on the card, so for me, it doesn't need anything more, yet there appears to be the following:

Display adapter type ATI Radeon HD 5700 Series
Total available graphics memory 8941 MB
Dedicated graphics memory 1024 MB
Dedicated system memory 0 MB
Shared system memory 7917 MB
Display adapter driver version 8.850.0.0

I don't want it to touch my system memory. I want to disable the ability for the card to scoff up that 7917MB. I want the card to only use what it has, nothing else. Can this be done?
 
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#2 ·
It is a pointless exercise as the card will only use what it needs and more importantly it will only use it if it is available after the demands of the system
Some of your ram is system reserved -
Some is hardware reserved
After that there is ram that is used by the system
and ram that is free

You do not say what OS but basically 8 and 10 are excellent at managing ram use
and 7 is not that bad.

Even attempting to stop it using ram when it needs it is pointless and indeed likely to produce problems

The OS will take ram before the graphics and as you say YOU do not need more than the 1GB of ram on the card and therefore we may presume you are not running video intensive operations.
 
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