The following list indicates the normal values stored for each
disk entry.
| Name |
Type |
Description |
| ty |
str |
Type of disk (e.g. removable, winchester) |
| dt |
str |
Type of controller (e.g. SMD, ESDI, floppy) |
| ns |
num |
Number of sectors per track |
| nt |
num |
Number of tracks per cylinder |
| nc |
num |
Total number of cylinders on the disk |
| sc |
num |
Number of sectors per cylinder, ns*nt default |
| su |
num |
Number of sectors per unit, sc*nc default |
| se |
num |
Sector size in bytes, DEV_BSIZE default |
| sf |
bool |
Controller supports bad144-style bad sector forwarding |
| rm |
num |
Rotation speed, rpm, 3600 default |
| sk |
num |
Sector skew per track, default 0 |
| cs |
num |
Sector skew per cylinder, default 0 |
| hs |
num |
Headswitch time, usec, default 0 |
| ts |
num |
One-cylinder seek time, usec, default 0 |
| il |
num |
Sector interleave (n:1), 1 default |
| d[0-4] |
num |
Drive-type-dependent parameters |
| bs |
num |
Boot block size, default BBSIZE |
| sb |
num |
Superblock size, default SBSIZE |
| ba |
num |
Block size for partition `a' (bytes) |
| bd |
num |
Block size for partition `d' (bytes) |
| be |
num |
Block size for partition `e' (bytes) |
| bf |
num |
Block size for partition `f' (bytes) |
| bg |
num |
Block size for partition `g' (bytes) |
| bh |
num |
Block size for partition `h' (bytes) |
| fa |
num |
Fragment size for partition `a' (bytes) |
| fd |
num |
Fragment size for partition `d' (bytes) |
| fe |
num |
Fragment size for partition `e' (bytes) |
| ff |
num |
Fragment size for partition `f' (bytes) |
| fg |
num |
Fragment size for partition `g' (bytes) |
| fh |
num |
Fragment size for partition `h' (bytes) |
| oa |
num |
Offset of partition `a' in sectors |
| ob |
num |
Offset of partition `b' in sectors |
| oc |
num |
Offset of partition `c' in sectors |
| od |
num |
Offset of partition `d' in sectors |
| oe |
num |
Offset of partition `e' in sectors |
| of |
num |
Offset of partition `f' in sectors |
| og |
num |
Offset of partition `g' in sectors |
| oh |
num |
Offset of partition `h' in sectors |
| pa |
num |
Size of partition `a' in sectors |
| pb |
num |
Size of partition `b' in sectors |
| pc |
num |
Size of partition `c' in sectors |
| pd |
num |
Size of partition `d' in sectors |
| pe |
num |
Size of partition `e' in sectors |
| pf |
num |
Size of partition `f' in sectors |
| pg |
num |
Size of partition `g' in sectors |
| ph |
num |
Size of partition `h' in sectors |
| ta |
str |
Partition type of partition `a' (4.2BSD
filesystem, swap, etc) |
| tb |
str |
Partition type of partition `b' |
| tc |
str |
Partition type of partition `c' |
| td |
str |
Partition type of partition `d' |
| te |
str |
Partition type of partition `e' |
| tf |
str |
Partition type of partition `f' |
| tg |
str |
Partition type of partition `g' |
| th |
str |
Partition type of partition `h' |