raf@Equinox:~$ sudo hdparm -Tt /dev/hda

/dev/hda:
 Timing cached reads:   2828 MB in  2.00 seconds = 1414.96 MB/sec
 Timing buffered disk reads:   94 MB in  3.01 seconds =  31.22 MB/sec
raf@Equinox:~$ sudo hdparm /dev/hda

/dev/hda:
 multcount    = 16 (on)
 IO_support   =  3 (32-bit w/sync)
 unmaskirq    =  0 (off)
 using_dma    =  1 (on)
 keepsettings =  0 (off)
 readonly     =  0 (off)
 readahead    = 256 (on)
 geometry     = 16383/255/63, sectors = 156301488, start = 0