I installed Ubuntu on an older computer (with pentium M processor) and it is very slowly. I don't think this is a bug, but just a too slow computer for the standard version. What can i deactivate or modify to get better performance for that computer?

Update:

/proc/cpuinfo:

    processor   : 0

    vendor_id   : GenuineIntel

    cpu family  : 6

    model       : 9

    model name  : Intel(R) Pentium(R) M processor 1500MHz

    stepping    : 5

    cpu MHz     : 600.000

    cache size  : 1024 KB

    fdiv_bug    : no

    hlt_bug     : no

    f00f_bug    : no

    coma_bug    : no

    fpu     : yes

    fpu_exception   : yes

    cpuid level : 2

    wp      : yes

    flags       : fpu vme de pse tsc msr mce cx8 mtrr pge mca cmov lflush dts acpi mmx fxsr sse sse2 tm pbe up bts est tm2

    bogomips    : 1199.03

    clflush size    : 64

    cache_alignment : 64

    address sizes   : 32 bits physical, 32 bits virtual

    power management:

free:

                total       used       free     shared    buffers     cached

    Mem:        508196     488212      19984         0      37608     183292

    -/+ buffers/cache:     267312     240884

    Swap:       522236      13812     508424

df -T:

    Dateisystem   Typ   1K‐Blöcke   Benutzt Verfügbar Ben% Eingehängt auf

    /dev/sda1     ext4    95635244  12192596  78584588  14% /

    udev      devtmpfs      247084         4    247080   1% /dev

    tmpfs        tmpfs      101640       780    100860   1% /run

    none         tmpfs        5120         0      5120   0% /run/lock

    none         tmpfs      254096      1164    252932   1% /run/shm

    /dev/sr0       udf     4147606   4147606         0 100% /media/Disc