Ik heb zojuist een nieuwe computer gekocht. Ubuntu 12.04 64 bit ziet maar 3,5 gb ipv 4 gb zoals in het bios vermeld. Heeft iemand hier een verklaring voor? Hieronder wat gegevens:
Intel® Pentium(R) CPU G630 @ 2.70GHz × 2
Uitgave 12.04 (precise) 64-bit
Kernel Linux 3.2.0-31-generic
cat /proc/meminfo
MemTotal: 3716772 kB
MemFree: 2179280 kB
Buffers: 56632 kB
Cached: 735868 kB
SwapCached: 0 kB
Active: 668912 kB
Inactive: 710876 kB
Active(anon): 588164 kB
Inactive(anon): 275144 kB
Active(file): 80748 kB
Inactive(file): 435732 kB
Unevictable: 60 kB
Mlocked: 60 kB
SwapTotal: 7812092 kB
SwapFree: 7812092 kB
Dirty: 116 kB
Writeback: 0 kB
AnonPages: 587320 kB
Mapped: 164480 kB
Shmem: 276028 kB
Slab: 54396 kB
SReclaimable: 31584 kB
SUnreclaim: 22812 kB
KernelStack: 3312 kB
PageTables: 28168 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 9670476 kB
Committed_AS: 3311740 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 363872 kB
VmallocChunk: 34359370832 kB
HardwareCorrupted: 0 kB
AnonHugePages: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 49152 kB
DirectMap2M: 3831808 kB
lspci -v -s 00:02.0
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) (prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. Device 84ca
Flags: bus master, fast devsel, latency 0, IRQ 43
Memory at f7800000 (64-bit, non-prefetchable) [size=4M]
Memory at e0000000 (64-bit, prefetchable) [size=256M]
I/O ports at f000 [size=64]
Expansion ROM at <unassigned> [disabled]
Capabilities: <access denied>
Kernel driver in use: i915
Kernel modules: i915
uname -a
Linux connemara 3.2.0-31-generic #50-Ubuntu SMP Fri Sep 7 16:16:45 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
[Mod edit: even codetags toegevoegd.]