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#
# $OpenBSD: disktab,v 1.12 2001/01/19 15:01:24 jj Exp $
# $NetBSD: disktab,v 1.4 1995/11/28 05:40:23 jtc 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|Amiga 3.5in Double Density Floppy:\
:ty=floppy:se#512:nt#2:rm#300:ns#11:nc#80:\
:ts#3500:\
:ta=4.2BSD:pa#1760:oa#0:ba#4096:fa#512:\
:pb#0:ob#0:\
:pc#1760:oc#0:
floppyhd|floppy3hd|3inhd|Amiga 3.5in High Density Floppy:\
:ty=floppy:se#512:nt#2:rm#300:ns#22:nc#80:\
:ts=3500:\
:pa#3520:oa#0:ba#4096:fa#512:\
:pb#0:ob#0:\
:pc#3520:oc#0:
miniroot:\
:ty=winchester:se#512:nt#2:rm#300:ns#64:nc#80:\
:ts=3500:\
:pa#10240:oa#0:ba#8192:fa#1024:ta=4.2BSD:\
:pb#0:ob#0:\
:pc#10240:oc#0:
rdroot|ramdiskroot|RAM-disk root FS image:\
:ty=simulated:se#512:nc#16:nt#2:ns#128:\
:ta=4.2BSD:oa#0:pa#3584:fa#1024:ba#8192:\
:ob#0:pb#0:oc#0:pc#3584:
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