xref: /netbsd-src/distrib/emips/ramdisk/disktab.preinstall (revision 5f7e80a8347a06224e3d98023e437667ed7b47d5)
1*5f7e80a8Spooka#	$NetBSD: disktab.preinstall,v 1.1 2011/01/26 01:18:44 pooka Exp $
2*5f7e80a8Spooka#
3*5f7e80a8Spooka# Disk geometry and partition layout tables.
4*5f7e80a8Spooka# Key:
5*5f7e80a8Spooka#	dt	controller type
6*5f7e80a8Spooka#	ty	type of disk (fixed, removable, simulated)
7*5f7e80a8Spooka#	d[0-4]	drive-type-dependent parameters
8*5f7e80a8Spooka#	ns	#sectors/track
9*5f7e80a8Spooka#	nt	#tracks/cylinder
10*5f7e80a8Spooka#	nc	#cylinders/disk
11*5f7e80a8Spooka#	sc	#sectors/cylinder, nc*nt default
12*5f7e80a8Spooka#	su	#sectors/unit, sc*nc default
13*5f7e80a8Spooka#	se	sector size, DEV_BSIZE default
14*5f7e80a8Spooka#	rm	rpm, 3600 default
15*5f7e80a8Spooka#	sf	supports bad144-style bad sector forwarding
16*5f7e80a8Spooka#	sk	sector skew per track, default 0
17*5f7e80a8Spooka#	cs	sector skew per cylinder, default 0
18*5f7e80a8Spooka#	hs	headswitch time, default 0
19*5f7e80a8Spooka#	ts	one-cylinder seek time, default 0
20*5f7e80a8Spooka#	il	sector interleave (n:1), 1 default
21*5f7e80a8Spooka#	bs	boot block size, default BBSIZE
22*5f7e80a8Spooka#	sb	superblock size, default SBSIZE
23*5f7e80a8Spooka#	o[a-h]	partition offsets in sectors
24*5f7e80a8Spooka#	p[a-h]	partition sizes in sectors
25*5f7e80a8Spooka#	b[a-h]	partition block sizes in bytes
26*5f7e80a8Spooka#	f[a-h]	partition fragment sizes in bytes
27*5f7e80a8Spooka#	t[a-h]	partition types (filesystem, swap, etc)
28*5f7e80a8Spooka#
29*5f7e80a8Spooka# All partition sizes reserve space for bad sector tables.
30*5f7e80a8Spooka# (5 cylinders needed for maintenance + replacement sectors)
31*5f7e80a8Spooka#
32*5f7e80a8Spookaace400|400MB CFcard Cartridge:\
33*5f7e80a8Spooka        :dt=ESDI:ty=removable:se#512:nt#255:ns#63:nc#50: \
34*5f7e80a8Spooka        :pa#614400:oa#0:ta=4.2BSD:ba#8192:fa#1024:\
35*5f7e80a8Spooka        :pb#18850:ob#614400:tb=swap:2: \
36*5f7e80a8Spooka        :pc#633250:oc#0:
37*5f7e80a8Spookaace800|800MB CFcard Cartridge:\
38*5f7e80a8Spooka        :dt=ESDI:ty=removable:se#512:nt#255:ns#63:nc#100: \
39*5f7e80a8Spooka        :pa#614400:oa#0:ta=4.2BSD:ba#8192:fa#1024:\
40*5f7e80a8Spooka        :pb#18850:ob#614400:tb=swap:2 \
41*5f7e80a8Spooka        :pc#633250:oc#0: \
42*5f7e80a8Spooka        :pd#633250:oa#633250:ta=4.2BSD:ba#8192:fa#1024:\
43