On Tuesday 11 May 2010 01:40 AM, Bill Davidsen wrote: > Jatin K wrote: > >> On Monday 10 May 2010 08:29 PM, Bill Davidsen wrote: >> >>> Jatin K wrote: >>> >>> >>>> Dear All >>>> >>>> I've a new Dell Inspiton 1564 laptop with 1GB graphics card and 4GB DDR3 >>>> RAM, FC 12 64bit installed on it , but in system information tab it >>>> shows 3.7GB usable RAM. My Question is "what about the remaining RAM ??" >>>> is it shared with graphics card ? then what is the meaning of dedicated >>>> RAM of my graphics card ( if graphics card shares my installed ram module ) >>>> >>>> any idea ?? >>>> >>>> >>>> >>> Look at the start of /var/log/messages, /proc/mtrr, etc. See if your CPU has PAT >>> capability, etc. >>> >>> > It may explain, note that you have 3GB starting at zero, a hole, and 1GB > starting at 4GB. I'm surprised that the system did that well considering you > have 2x2GB DIMMs. > > There are two more things you can look at, /proc/meminfo cat /proc/meminfo ------------------------------------- MemTotal: 3917912 kB MemFree: 2801136 kB Buffers: 39520 kB Cached: 319800 kB SwapCached: 0 kB Active: 469492 kB Inactive: 274412 kB Active(anon): 394632 kB Inactive(anon): 16 kB Active(file): 74860 kB Inactive(file): 274396 kB Unevictable: 16 kB Mlocked: 16 kB SwapTotal: 4805624 kB SwapFree: 4805624 kB Dirty: 88 kB Writeback: 0 kB AnonPages: 384492 kB Mapped: 112952 kB Shmem: 10060 kB Slab: 38800 kB SReclaimable: 20704 kB SUnreclaim: 18096 kB KernelStack: 2424 kB PageTables: 19876 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 6764580 kB Committed_AS: 1084840 kB VmallocTotal: 34359738367 kB VmallocUsed: 314468 kB VmallocChunk: 34359421308 kB HardwareCorrupted: 0 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB DirectMap4k: 280576 kB DirectMap2M: 3774464 kB > will show what the > system views as usable memory, and the output of dmidecode will show tons of > stuff, but there will be one info block per DIMM which shows information on just > that DIMM. I suspect you are getting a few MB of RAM shared for video, or > something like that. I've ATI Mobility Radeon HD 5450 with 1GB dedicated memory following[1] is the output of " lspci | grep VGA " command [1]--------- 02:00.0 VGA compatible controller: ATI Technologies Inc Manhattan [Mobility Radeon HD 5000 Series] > The information in /var/log/messages will give more detail > about how the memory is being allocated, but it's unlikely to lead to recovering > more useful space. > > At least you have learned a lot about looking at your system, score one more for > "things I learned while looking for something else." > > -- °v° /(_)\ ^ ^ Jatin Khatri Registerd Linux user No #501175 www.counter.li.org No M$ -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
