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disktab.preinstall revision 1.1 
      1  1.1  pooka #	$NetBSD: disktab.preinstall,v 1.1 2011/01/26 01:18:44 pooka Exp $
      2  1.1  pooka #
      3  1.1  pooka # Disk geometry and partition layout tables. 
      4  1.1  pooka # Key:
      5  1.1  pooka #	dt	controller type
      6  1.1  pooka #	ty	type of disk (fixed, removable, simulated)
      7  1.1  pooka #	d[0-4]	drive-type-dependent parameters
      8  1.1  pooka #	ns	#sectors/track
      9  1.1  pooka #	nt	#tracks/cylinder
     10  1.1  pooka #	nc	#cylinders/disk
     11  1.1  pooka #	sc	#sectors/cylinder, nc*nt default
     12  1.1  pooka #	su	#sectors/unit, sc*nc default
     13  1.1  pooka #	se	sector size, DEV_BSIZE default
     14  1.1  pooka #	rm	rpm, 3600 default
     15  1.1  pooka #	sf	supports bad144-style bad sector forwarding
     16  1.1  pooka #	sk	sector skew per track, default 0
     17  1.1  pooka #	cs	sector skew per cylinder, default 0
     18  1.1  pooka #	hs	headswitch time, default 0
     19  1.1  pooka #	ts	one-cylinder seek time, default 0
     20  1.1  pooka #	il	sector interleave (n:1), 1 default
     21  1.1  pooka #	bs	boot block size, default BBSIZE
     22  1.1  pooka #	sb	superblock size, default SBSIZE
     23  1.1  pooka #	o[a-h]	partition offsets in sectors
     24  1.1  pooka #	p[a-h]	partition sizes in sectors
     25  1.1  pooka #	b[a-h]	partition block sizes in bytes
     26  1.1  pooka #	f[a-h]	partition fragment sizes in bytes
     27  1.1  pooka #	t[a-h]	partition types (filesystem, swap, etc)
     28  1.1  pooka #
     29  1.1  pooka # All partition sizes reserve space for bad sector tables.
     30  1.1  pooka # (5 cylinders needed for maintenance + replacement sectors)
     31  1.1  pooka #
     32  1.1  pooka ace400|400MB CFcard Cartridge:\
     33  1.1  pooka         :dt=ESDI:ty=removable:se#512:nt#255:ns#63:nc#50: \
     34  1.1  pooka         :pa#614400:oa#0:ta=4.2BSD:ba#8192:fa#1024:\
     35  1.1  pooka         :pb#18850:ob#614400:tb=swap:2: \
     36  1.1  pooka         :pc#633250:oc#0:
     37  1.1  pooka ace800|800MB CFcard Cartridge:\
     38  1.1  pooka         :dt=ESDI:ty=removable:se#512:nt#255:ns#63:nc#100: \
     39  1.1  pooka         :pa#614400:oa#0:ta=4.2BSD:ba#8192:fa#1024:\
     40  1.1  pooka         :pb#18850:ob#614400:tb=swap:2 \
     41  1.1  pooka         :pc#633250:oc#0: \
     42  1.1  pooka         :pd#633250:oa#633250:ta=4.2BSD:ba#8192:fa#1024:\
     43