# # $OpenBSD: disktab,v 1.4 2001/01/28 23:31:28 niklas Exp $ # $NetBSD: disktab,v 1.1.1.1.6.1 1996/05/30 13:51:13 leo Exp $ # # Disk geometry and partition layout tables. # Key: # dt controller type # ty type of disk (fixed, removeable, simulated) # d[0-4] drive-type-dependent parameters # ns #sectors/track # nt #tracks/cylinder # nc #cylinders/disk # sc #sectors/cylinder, ns*nt default # su #sectors/unit, sc*nc default # se sector size, DEV_BSIZE default # rm rpm, 3600 default # sf supports bad144-style bad sector forwarding # sk sector skew per track, default 0 # cs sector skew per cylinder, default 0 # hs headswitch time, default 0 # ts one-cylinder seek time, default 0 # il sector interleave (n:1), 1 default # bs boot block size, default BBSIZE # sb superblock size, default SBSIZE # o[a-h] partition offsets in sectors # p[a-h] partition sizes in sectors # b[a-h] partition block sizes in bytes # f[a-h] partition fragment sizes in bytes # t[a-h] partition types (filesystem, swap, etc) # # All partition sizes reserve space for bad sector tables. # (5 cylinders needed for maintenance + replacement sectors) # floppy|floppy3|3in|Atari 3.5in Double Density Floppy:\ :ty=floppy:se#512:nt#2:rm#300:ns#9:nc#80:\ :ts#3500:\ :ta=4.2BSD:pa#1440:oa#0:ba#4096:fa#512:\ :pb#0:ob#0:\ :pc#1440:oc#0: floppyhd|floppy3hd|3inhd|Atari 3.5in High Density Floppy:\ :ty=floppy:se#512:nt#2:rm#300:ns#18:nc#80:\ :ts=3500:\ :pa#2880:oa#0:ba#4096:fa#512:\ :pb#0:ob#0:\ :pc#2880:oc#0: floppybt|miniroot|Atari 3.5in Boot Floppy:\ :ty=floppy:se#512:nt#2:rm#300:ns#18:nc#60:\ :ts=3500:\ :ta=4.2BSD:pa#2160:oa#0:ba#4096:fa#512:\ :pb#0:ob#0:\ :pc#2160:oc#0: