xref: /openbsd/etc/etc.i386/disktab (revision 9c8b1705)
1df930be7Sderaadt# Disk geometry and partition layout tables.
2df930be7Sderaadt# Key:
3df930be7Sderaadt#	dt	controller type
4df930be7Sderaadt#	ty	type of disk (fixed, removeable, simulated)
5df930be7Sderaadt#	d[0-4]	drive-type-dependent parameters
6df930be7Sderaadt#	ns	#sectors/track
7df930be7Sderaadt#	nt	#tracks/cylinder
8df930be7Sderaadt#	nc	#cylinders/disk
9df930be7Sderaadt#	sc	#sectors/cylinder, ns*nt default
10df930be7Sderaadt#	su	#sectors/unit, sc*nc default
11df930be7Sderaadt#	se	sector size, DEV_BSIZE default
12df930be7Sderaadt#	rm	rpm, 3600 default
13df930be7Sderaadt#	sf	supports bad144-style bad sector forwarding
14df930be7Sderaadt#	sk	sector skew per track, default 0
15df930be7Sderaadt#	cs	sector skew per cylinder, default 0
16df930be7Sderaadt#	hs	headswitch time, default 0
17df930be7Sderaadt#	ts	one-cylinder seek time, default 0
18df930be7Sderaadt#	il	sector interleave (n:1), 1 default
19df930be7Sderaadt#	bs	boot block size, default BBSIZE
20df930be7Sderaadt#	sb	superblock size, default SBSIZE
2168e78cf4Sderaadt#	o[a-p]	partition offsets in sectors
2268e78cf4Sderaadt#	p[a-p]	partition sizes in sectors
2368e78cf4Sderaadt#	b[a-p]	partition block sizes in bytes
2468e78cf4Sderaadt#	f[a-p]	partition fragment sizes in bytes
2568e78cf4Sderaadt#	t[a-p]	partition types (filesystem, swap, etc)
26df930be7Sderaadt#
27df930be7Sderaadt# All partition sizes reserve space for bad sector tables.
28df930be7Sderaadt# (5 cylinders needed for maintenance + replacement sectors)
29df930be7Sderaadt#
3045e506a2Smickey
31df930be7Sderaadtqp120at|Quantum Peripherals 120MB IDE:\
32df930be7Sderaadt	:dt=ESDI:ty=winchester:se#512:nt#9:ns#32:nc#813:sf: \
33df930be7Sderaadt	:pa#13824:oa#0:ta=4.2BSD:ba#4096:fa#512: \
34df930be7Sderaadt	:pb#13824:ob#13824:tb=swap: \
35df930be7Sderaadt	:pc#234144:oc#0: \
36df930be7Sderaadt	:ph#206496:oh#27648:th=4.2BSD:bh#4096:fh#512:
37df930be7Sderaadt
38df930be7Sderaadtpan60|Panasonic Laptop's 60MB IDE:\
39df930be7Sderaadt	:dt=ST506:ty=winchester:se#512:nt#13:ns#17:nc#565:\
40df930be7Sderaadt	:pa#13260:oa#0:ta=4.2BSD:ba#4096:fa#512:\
41df930be7Sderaadt	:pb#13260:ob#13260:tb=swap: \
42df930be7Sderaadt	:pc#124865:oc#0: \
43df930be7Sderaadt	:ph#97682:oh#26520:th=4.2BSD:bh#4096:fh#512:
44df930be7Sderaadt
45df930be7Sderaadtmk156|toshiba156|Toshiba MK156 156Mb:\
46df930be7Sderaadt	:dt=SCSI:ty=winchester:se#512:nt#10:ns#35:nc#825:\
47df930be7Sderaadt	:pa#15748:oa#0:ba#4096:fa#512:ta=4.2BSD:\
48df930be7Sderaadt	:pb#15748:ob#15748:tb=swap:\
49df930be7Sderaadt        :pc#288750:oc#0:\
50df930be7Sderaadt	:ph#257250:oh#31500:bh#4096:fh#512:th=4.2BSD:
51df930be7Sderaadt
52df930be7Sderaadtcp3100|Conner Peripherals 100MB IDE:\
53df930be7Sderaadt	:dt=ST506:ty=winchester:se#512:nt#8:ns#33:nc#766: \
54df930be7Sderaadt	:pa#12144:oa#0:ta=4.2BSD:ba#4096:fa#512: \
55df930be7Sderaadt	:pb#12144:ob#12144:tb=swap: \
56df930be7Sderaadt	:pc#202224:oc#0: \
57df930be7Sderaadt	:ph#177936:oh#24288:th=4.2BSD:bh#4096:fh#512:
58df930be7Sderaadt
59df930be7Sderaadt# a == root
60df930be7Sderaadt# b == swap
6168e78cf4Sderaadt# c == whole disk
62df930be7Sderaadt# e == /var
63df930be7Sderaadt# f == scratch
64df930be7Sderaadt# h == /usr
65df930be7Sderaadt
66df930be7Sderaadtcp3100new|Conner Peripherals 100MB IDE, with a different configuration:\
67df930be7Sderaadt	:dt=ST506:ty=winchester:se#512:nt#8:ns#33:nc#766: \
68df930be7Sderaadt	:pa#15840:oa#0:ta=4.2BSD:ba#4096:fa#512: \
69df930be7Sderaadt	:pb#24288:ob#15840:tb=swap: \
70df930be7Sderaadt	:pc#202224:oc#0: \
71df930be7Sderaadt	:pe#15840:oe#40128:te=4.2BSD:be#4096:fe#512: \
72df930be7Sderaadt	:pg#15840:og#55968:tg=4.2BSD:bg#4096:fg#512: \
73df930be7Sderaadt	:ph#130416:oh#71808:th=4.2BSD:bh#4096:fh#512:
74df930be7Sderaadt
75df930be7Sderaadtfloppy|floppy3|3in|3.5in High Density Floppy:\
76df930be7Sderaadt	:ty=floppy:se#512:nt#2:rm#300:ns#18:nc#80:\
779eb03a90Sderaadt	:pa#2880:oa#0:ba#4096:fa#512:ta=4.2BSD:ba#4096:fa#512: \
78df930be7Sderaadt	:pb#2880:ob#0:\
79df930be7Sderaadt	:pc#2880:oc#0:
80df930be7Sderaadt
81df930be7Sderaadtfloppy5|5in|5.25in High Density Floppy:\
82df930be7Sderaadt	:ty=floppy:se#512:nt#2:rm#300:ns#15:nc#80:\
839eb03a90Sderaadt	:pa#2400:oa#0:ba#4096:fa#512:ta=4.2BSD:ba#4096:fa#512:\
84df930be7Sderaadt	:pb#2400:ob#0:bb#4096:fb#512:\
85df930be7Sderaadt	:pc#2400:oc#0:bc#4096:fc#512:
86df930be7Sderaadt
87df930be7Sderaadtmaxtor4380|Maxtor XT4380E ESDI :\
88df930be7Sderaadt	:dt=ESDI:ty=winchester:se#512:nt#15:ns#36:nc#1222:sf: \
89df930be7Sderaadt	:pa#21600:oa#0:ta=4.2BSD:ba#4096:fa#512:\
90df930be7Sderaadt	:pb#21600:ob#21600:tb=swap: \
91df930be7Sderaadt	:pc#659880:oc#0: \
9268e78cf4Sderaadt	:pe#216000:oe#53200:te=4.2BSD:be#4096:fe#512: \
93df930be7Sderaadt	:ph#398520:oh#269200:th=4.2BSD:bh#4096:fh#512:
94df930be7Sderaadt
95df930be7Sderaadtminiscribe9380|compaq38|Miniscribe 9380 ESDI :\
96df930be7Sderaadt	:ty=winchester:dt=ESDI:se#512:nt#15:ns#35:nc#1223:rm#3600:sf: \
97df930be7Sderaadt	:pa#21000:oa#0:ba#8192:fa#1024:ta=4.2BSD: \
98df930be7Sderaadt	:pb#42000:ob#21000:tb=swap: \
99df930be7Sderaadt	:pc#642075:oc#0: \
10068e78cf4Sderaadt	:pe#21000:oe#63000:be#8192:fe#1024:te=4.2BSD: \
101df930be7Sderaadt	:ph#556500:oh#84000:bh#8192:fh#1024:th=4.2BSD:
102df930be7Sderaadt
103df930be7Sderaadtida4|compaq88|Compaq IDA (4 drives) :\
104df930be7Sderaadt	:ty=winchester:dt=IDA:se#512:nt#16:ns#63:nc#1644:rm#3600:\
105df930be7Sderaadt	:pa#20160:oa#0:ba#8192:fa#1024:ta=4.2BSD: \
106df930be7Sderaadt	:pb#80640:ob#20160:tb=swap: \
107df930be7Sderaadt	:pc#1659168:oc#0: \
10868e78cf4Sderaadt	:pe#201600:oe#100800:be#8192:fe#1024:te=4.2BSD: \
10968e78cf4Sderaadt	:pf#20160:of#1310400:bf#8192:ff#1024:tf=4.2BSD: \
110df930be7Sderaadt	:ph#1008000:oh#302400:bh#8192:fh#1024:th=4.2BSD: \
111df930be7Sderaadt	:pg#302400:og#1330560:bg#4096:fg#512:tg=4.2BSD:
112df930be7Sderaadt
113df930be7Sderaadtfuji513|Fujitsu M22XXXX: \
114df930be7Sderaadt	:ty=winchester:dt=ESDI:se#512:nt#16:ns#63:nc#954:rm#3600:\
115df930be7Sderaadt	:pa#20160:oa#82656:ba#4096:fa#512:ta=4.2BSD: \
116df930be7Sderaadt	:pb#40320:ob#102816:tb=swap: \
117df930be7Sderaadt	:pc#961632:oc#0: \
118df930be7Sderaadt	:ph#656208:oh#143136:bh#4096:fh#512:th=4.2BSD:
119df930be7Sderaadt
120*9c8b1705Sderaadtrdroot|ramdiskroot|RAM-disk root FS image:\
121*9c8b1705Sderaadt	:ty=ramdisk:se#512:nt#2:ns#128:nc#16:\
122*9c8b1705Sderaadt	:pa#4046:oa#0:ta=4.2BSD:ba#4096:fa#512;\
123*9c8b1705Sderaadt	:pb#0:ob#0:tb=swap:\
124*9c8b1705Sderaadt	:pc#4046:oc#0:
125