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# $OpenBSD: disktab,v 1.6 2004/04/09 21:50:07 jmc Exp $
# Disk geometry and partition layout tables.
# Key:
# dt controller type
# ty type of disk (fixed, removable, 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-p] partition offsets in sectors
# p[a-p] partition sizes in sectors
# b[a-p] partition block sizes in bytes
# f[a-p] partition fragment sizes in bytes
# t[a-p] partition types (filesystem, swap, etc)
#
# All partition sizes reserve space for bad sector tables.
# (5 cylinders needed for maintenance + replacement sectors)
#
floppy288|3in|3.5in High Density Floppy, 2.88MB:\
:dt=floppy:ty=floppy:se#512:nt#2:rm#300:ns#36:nc#80:\
:pa#5760:oa#0:ba#4096:fa#512:ta=4.2BSD: \
:pb#5760:ob#0:\
:pc#5760:oc#0:
floppy|floppy3|3in|3.5in High Density Floppy:\
:dt=floppy:ty=floppy:se#512:nt#2:rm#300:ns#18:nc#80:\
:pa#2880:oa#0:ba#4096:fa#512:ta=4.2BSD: \
:pb#2880:ob#0:\
:pc#2880:oc#0:
floppy5|5in|5.25in High Density Floppy:\
:dt=floppy:ty=floppy:se#512:nt#2:rm#300:ns#15:nc#80:\
:pa#2400:oa#0:ba#4096:fa#512:ta=4.2BSD: \
:pb#2400:ob#0:bb#4096:fb#512:\
:pc#2400:oc#0:bc#4096:fc#512:
rdroot|ramdiskroot|RAM-disk root FS image:\
:ty=ramdisk:se#512:nt#2:ns#128:nc#16:\
:pa#3584:oa#0:ta=4.2BSD:ba#4096:fa#512:\
:pb#0:ob#0:tb=swap:\
:pc#3584:oc#0:
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