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Posts: 76
Registered: ‎07-31-2011
Location: england, york
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Accepted Solution

Missing 100MB of RAM

Im assuming the 100mb lost in windows is due to the ATI graphics on my T400, but even when i disable it in BIOS it still shows


I dont use the ATI graphics AT ALL, is there any way to get it back?



Community SuperMod
Posts: 3,866
Registered: ‎04-25-2008
Location: San Francisco

Re: Missing 100MB of RAM

Hi Sean, and welcome to the Lenovo User Community!


My integrated graphics X220 shows 117MB Hardware Reserved RAM in Windows 7. I have an X61 running Windows 8 showing 74MB. Your 100MB looks normal.

I don't work for Lenovo. I'm a crazy volunteer!
Posts: 20,898
Topics: 128
Kudos: 1,253
Solutions: 1,344
Registered: ‎12-19-2008
Location: Australia, Melbourne
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Re: Missing 100MB of RAM

the intel graphics and ati graphics card both use some of the ram.

Jin Li

May this year, be the year of 'DO'!

I am a volunteer, and not a paid staff of Lenovo or Microsoft
Posts: 76
Registered: ‎07-31-2011
Location: england, york
0 Kudos

Re: Missing 100MB of RAM

fair enough, cheers guys