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Thread: Memory shortage 4GB displaying only 2.7 GB on Asus 1215n

  1. #1
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    Red face Memory shortage 4GB displaying only 2.7 GB on Asus 1215n

    Hey guys, I've seen a lot of posts online about people having problems with mem and all the posts are solved with enabling PAE but I already have that.

    Anyone any clue what to do next?

    Code:
    junke@1215N:/proc$ uname -a
    Linux 1215N 2.6.35-29-server #51-Ubuntu SMP Fri Apr 15 17:29:46 UTC 2011 x86_64 GNU/Linux
    
    junke@1215N:~$ free -m
                 total       used       free     shared    buffers     cached
    Mem:          2754       1845        909          0         93       1067
    -/+ buffers/cache:        684       2070
    Swap:            0          0          0
    
    junke@1215N:~$ vmstat
    procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
     r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa
     1  0      0 930784  95612 1092944    0    0   303    13  151  670 36  4 49 11
    
    junke@1215N:~$ grep --color=always -i PAE /proc/cpuinfo
    flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64 monitor ds_cpl tm2 ssse3 cx16 xtpr pdcm movbe lahf_lm dts
    flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64 monitor ds_cpl tm2 ssse3 cx16 xtpr pdcm movbe lahf_lm dts
    flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64 monitor ds_cpl tm2 ssse3 cx16 xtpr pdcm movbe lahf_lm dts
    flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64 monitor ds_cpl tm2 ssse3 cx16 xtpr pdcm movbe lahf_lm dts
    
    
    junke@1215N:~$ sudo dmidecode --type 17 | more
    # dmidecode 2.9
    SMBIOS 2.6 present.
    
    Handle 0x0017, DMI type 17, 28 bytes
    Memory Device
    	Array Handle: 0x0015
    	Error Information Handle: Not Provided
    	Total Width: 64 bits
    	Data Width: 64 bits
    	Size: 2048 MB
    	Form Factor: DIMM
    	Set: None
    	Locator: DIMM0
    	Bank Locator: BANK0
    	Type: <OUT OF SPEC>
    	Type Detail: Synchronous
    	Speed: 800 MHz (1.2 ns)
    	Manufacturer: Manufacturer00
    	Serial Number: SerNum00
    	Asset Tag: AssetTagNum0
    	Part Number: ModulePartNumber00
    
    Handle 0x0019, DMI type 17, 28 bytes
    Memory Device
    	Array Handle: 0x0015
    	Error Information Handle: Not Provided
    	Total Width: 64 bits
    	Data Width: 64 bits
    	Size: 2048 MB
    	Form Factor: DIMM
    	Set: None
    	Locator: DIMM1
    	Bank Locator: BANK1
    	Type: <OUT OF SPEC>
    	Type Detail: Synchronous
    	Speed: 800 MHz (1.2 ns)
    	Manufacturer: Manufacturer01
    	Serial Number: SerNum01
    	Asset Tag: AssetTagNum1
    
    
    junke@1215N:~$ cat /proc/meminfo
    MemTotal:        2820568 kB
    MemFree:          927688 kB
    Buffers:           95928 kB
    Cached:          1095240 kB
    SwapCached:            0 kB
    Active:           534356 kB
    Inactive:        1056632 kB
    Active(anon):     406640 kB
    Inactive(anon):    84032 kB
    Active(file):     127716 kB
    Inactive(file):   972600 kB
    Unevictable:          16 kB
    Mlocked:              16 kB
    SwapTotal:             0 kB
    SwapFree:              0 kB
    Dirty:                60 kB
    Writeback:             0 kB
    AnonPages:        399828 kB
    Mapped:           128392 kB
    Shmem:             90860 kB
    Slab:             176124 kB
    SReclaimable:     100012 kB
    SUnreclaim:        76112 kB
    KernelStack:        2896 kB
    PageTables:        21888 kB
    NFS_Unstable:          0 kB
    Bounce:                0 kB
    WritebackTmp:          0 kB
    CommitLimit:     1410284 kB
    Committed_AS:    1572148 kB
    VmallocTotal:   34359738367 kB
    VmallocUsed:      562976 kB
    VmallocChunk:   34359140748 kB
    HardwareCorrupted:     0 kB
    HugePages_Total:       0
    HugePages_Free:        0
    HugePages_Rsvd:        0
    HugePages_Surp:        0
    Hugepagesize:       2048 kB
    DirectMap4k:        8576 kB
    DirectMap2M:     2865152 kB

  2. #2
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    Re: Memory shortage 4GB displaying only 2.7 GB on Asus 1215n

    to make it more clear, I do have 4 GB of ram, 2 x 2GB DDR3 10600 @ 1066Mhz in my Asus eee 1215n but I can only use 2.7 GB.

    - My BIOS does see 4 GB, as does dmidecode.
    - I am running 64 bit and PAE enabled kernel.
    - I used to run @ 2 GB so something has changed.
    - I am running a server kernel with a hole lot of mod's enabled as stated above.

    Anything else I can try? Could my ION2 (Next/Second Gen) can have anything to do with this? As far as I know, even if your GPU uses shared memory you should see the full mem throughout the system (free -m)

  3. #3
    Join Date
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    Re: Memory shortage 4GB displaying only 2.7 GB on Asus 1215n

    I used to have a 1Gig memory laptop that could be set to reserve a certain quantity of RAM for the shared bus ATI video, it was a BIOS setting. That video-reserved memory did not appear available to Linux.

  4. #4
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    Re: Memory shortage 4GB displaying only 2.7 GB on Asus 1215n

    I can't configure any memory nor GPU settings in the BIOS... The BIOS of the 1215n is really limited...

  5. #5
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    Talking Re: Memory shortage 4GB displaying only 2.7 GB on Asus 1215n

    Oke I fixed it!

    I'm now running 8 GB RAM on my Asus eee 1215n.

    Update your BIOS, the eee had revision 503 so I updated it to 701 which fixes all your problems!

    I had some trouble update the BIOS, the program BUPDATER v 1.16 doesn't run on Hiren's XP live nor Hiren's DOS (whatever version/settings) nor wine nor wineconsole... I had to put win98 on a stick, but that did fix my problem.

    The mem i'm using is Corsair.

    Code:
    # dmidecode 2.9
    SMBIOS 2.6 present.
    
    Handle 0x0017, DMI type 17, 28 bytes
    Memory Device
    	Array Handle: 0x0015
    	Error Information Handle: Not Provided
    	Total Width: 64 bits
    	Data Width: 64 bits
    	Size: 4096 MB
    	Form Factor: DIMM
    	Set: None
    	Locator: DIMM0
    	Bank Locator: BANK0
    	Type: <OUT OF SPEC>
    	Type Detail: Synchronous
    	Speed: 800 MHz (1.2 ns)
    	Manufacturer: Manufacturer00
    	Serial Number: SerNum00
    	Asset Tag: AssetTagNum0
    	Part Number: ModulePartNumber00
    
    Handle 0x0019, DMI type 17, 28 bytes
    Memory Device
    	Array Handle: 0x0015
    	Error Information Handle: Not Provided
    	Total Width: 64 bits
    	Data Width: 64 bits
    	Size: 4096 MB
    	Form Factor: DIMM
    	Set: None
    	Locator: DIMM1
    	Bank Locator: BANK1
    	Type: <OUT OF SPEC>
    	Type Detail: Synchronous
    	Speed: 800 MHz (1.2 ns)
    	Manufacturer: Manufacturer01
    	Serial Number: SerNum01
    	Asset Tag: AssetTagNum1
    Last edited by junke1990; May 12th, 2011 at 05:32 PM. Reason: typo

  6. #6
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    Re: Memory shortage 4GB displaying only 2.7 GB on Asus 1215n

    Please mark thread solved
    What would happen if your hard disk died right now?

  7. #7
    Join Date
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    Re: Memory shortage 4GB displaying only 2.7 GB on Asus 1215n

    Thanks junke1990,

    I have the same problem. I'm going to try to update my BIOS now. I was wondering though, I was told the 1215n only supports a max of 4gb ram... Did you change something besides the BIOS update to get this to work?

  8. #8
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    Re: Memory shortage 4GB displaying only 2.7 GB on Asus 1215n

    Nope I only updated the BIOS to rev 701 but you may endure black screens after installing the 4GB or 8GB, I installed corsair memory and it works like a charm.

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