From: Carlos on 18 May 2010 06:46 Hi, Here's the fix: http://support.dell.com/support/downloads/download.aspx?c=us&l=en&s=gen&releaseid=R181000&SystemID=INSP_DSKTP_D530&servicetag=&os=WLH&osl=en&deviceid=14390&devlib=0&typecnt=0&vercnt=5&catid=-1&impid=-1&formatcnt=1&libid=1&fileid=246767 As of BIOS 1.0.12 the 4GB RAM issue was solved. Here's the changelog: Systems: Dell Insprion 530/530s Version: 1.0.12 Build Date: 03/01/2008 Fixes/Enhancements: 1. Add support for new Intel CPU. 2. Update to latest microcodes. 3. Improve POST time with internal USB Card Reader & Buffalo USB HDD combination. 4. Correct Memory Map for => 4GB configurations The latest applicable BIOS is version 1.0.18 (March 2009) and can be found here: http://support.dell.com/support/downloads/download.aspx?c=us&l=en&s=gen&releaseid=R212148&SystemID=INSP_DSKTP_D530&servicetag=&os=WLH&osl=en&deviceid=14390&devlib=0&typecnt=0&vercnt=9&catid=-1&impid=-1&formatcnt=0&libid=1&typeid=-1&dateid=-1&formatid=-1&source=-1&fileid=299050 Please make sure that these BIOSes match exactly your PC model. Carlos "someone(a)somewhere.com" wrote: > I had 4GB physical memoryon the PC. With Windows vista 32 bit, > available memory is shown as 3.3GB. I asked on usenet and was told > that only under 64 bit windows, will the available memory be 4GB. > > When I upgraded to windows 7, I chosed 64 bit (I did clean install of > course), but the available memory shown in the system is still 3.3 GB. > This is show in both task manager under performance->Physical > memory->total, and 'property of My Computer'->Installed memory > (4GB/3.3 GB usable) > > Why is this and is there a way to make the full 4GB available? > > It's possible that my video card is using RAM instead of its own video > RAM. This video card may not have its own memory. > > Now I just replaced a new video card with 512 MB of its own memory, > the memory available becomes 2.8GB. Again, this is shown in both > task manager under performance->Physical memory->total, and 'property > of My Computer'->Installed memory (4GB/2.8 GB usable). > > The PC is Dell Inpirson 530. The only BIOS setting applicable to this > is: > DVMT Mode: FIXED, DVMT (DVMT by default) > DVMT/FIXED Memory Size: 128 MB, 256 MB, MAX (128 MB by default) > > Looked up DVMT on the web, doesn't seem change the setting will help. > > > Thanks. > . >
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