If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.
 
Linux medion 2.6.28-medion #1 PREEMPT Sun Jan 18 14:45:17 CET 2009 i686 GNU/Linux
 
Gnu C                  4.3.2
Gnu make               3.81
binutils               2.18.0.20080103
util-linux             2.13.1.1
mount                  2.13.1.1
module-init-tools      3.4
e2fsprogs              1.41.3
reiserfsprogs          3.6.19
PPP                    2.4.4
Linux C Library        2.7
Dynamic linker (ldd)   2.7
Procps                 3.2.7
Net-tools              1.60
Console-tools          0.2.3
Sh-utils               6.10
udev                   125
Modules Loaded         loop xt_multiport iptable_filter ip_tables x_tables binfmt_misc nvidia i2c_core ppdev lp nfsd exportfs nfs lockd sunrpc deflate zlib_deflate ctr twofish twofish_common camellia serpent blowfish des_generic cbc aes_i586 aes_generic xcbc rmd160 sha256_generic sha1_generic md5 crypto_null ext3 jbd fuse dm_crypt dm_snapshot dm_mirror dm_region_hash dm_log dm_mod snd_pcm_oss snd_mixer_oss usbhid gspca_zc3xx gspca_main videodev v4l1_compat snd_cmipci snd_pcm snd_page_alloc snd_opl3_lib snd_hwdep snd_mpu401 snd_mpu401_uart snd_seq_midi snd_rawmidi snd_seq_dummy rtc_cmos rtc_core rtc_lib snd_seq_oss snd_seq_midi_event pcspkr snd_seq snd_timer snd_seq_device snd uhci_hcd soundcore ohci_hcd ohci1394 ehci_hcd 8139too mii ieee1394 sym53c8xx scsi_transport_spi usbcore ide_cd_mod fan 8250_pnp 8250 serial_core parport_pc parport thermal processor button thermal_sys intel_agp agpgart