A quick search got me this:
hda: SAMSUNG SV4012H, ATA DISK drive
hda: 78242976 sectors (40060 MB) w/2048KiB Cache, CHS=4870/255/63,
UDMA(33)
Disk /dev/hda: 255 heads, 63 sectors, 4870 cylinders
Units = cylinders of 16065 * 512 bytes
It's from
a Russian site, but it might be what you need :-)
