OpenBSD-4.6/etc/etc.sgi/disktab

# 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-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)
#

rdroot|ramdiskroot|RAM-disk root FS image:\
	:ty=simulated:se#512:nc#16:nt#4:ns#128:\
	:ta=4.2BSD:oa#0:pa#8192:fa#512:ba#4096:\
	:ob#0:pb#0:oc#0:pc#8192:

minicdroot|minicdramdiskroot|RAM-disk root FS image:\
	:ty=simulated:se#512:nc#32:nt#4:ns#128:\
	:ta=4.2BSD:oa#0:pa#16384:fa#512:ba#4096:\
	:ob#0:pb#0:oc#0:pc#16384:

cdroot|cdramdiskroot|RAM-disk root FS image:\
	:ty=simulated:se#2048:nc#16:nt#240:ns#32:\
	:ta=4.2BSD:oa#80:pa#122800:fa#2048:ba#16384:\
	:ob#0:pb#0:oc#0:pc#122880:op#0:pp#80:

# Seagate ST31200N
ST31200N-MBR:\
	:ty=winchester:ns#84:nt#9:nc#2700:\
	:pa#65536:oa#4096:ba#8192:fa#1024:ta=4.2bsd:\
	:pb#131072:ob#69632:bb#8192:fb#1024:tb=swap:\
	:pc#2037104:oc#4096:bc#8192:fc#1024:\
	:pd#2041200:od#0:bd#8192:fd#1024:\
	:pe#4064:oe#32:be#8192:fe#1024:te=msdos:\
	:pg#619200:og#200704:bg#8192:fg#1024:tg=4.2bsd:\
	:ph#1221296:oh#819904:bh#8192:fh#1024:th=4.2bsd:

# QUANTUM, Trailblazer 850 with MBR boot.
TRB850S-MBR:\
	:ty=winchester:ns#113:nt#4:nc#3653:\
	:pa#88096:oa#10240:ba#8192:fa#1024:ta=4.2bsd:\
	:pb#131072:ob#131072:bb#8192:fb#1024:tb=swap:\
	:pc#1647060:oc#0:bc#8192:fc#1024:\
	:pd#10208:od#32:bd#8192:fd#1024:td=msdos:\
	:pe#586000:oe#229408:be#8192:fe#1024:te=4.2bsd:\
	:pf#415826:of#815408:bf#8192:ff#1024:tf=4.2bsd:\
	:pg#415826:og#1231234:bg#8192:fg#1024:tg=4.2bsd:\
	:ph#831652:oh#815408:bh#8192:fh#1024:th=4.2bsd:

#QUANTUM, FIREBALL1080S
FIREBALL1080S-MBR:\
	:ty=winchester:ns#139:nt#4:nc#3835:\
	:pa#120832:oa#10240:ba#8192:fa#1024:ta=4.2bsd:\
	:pb#131072:ob#131072:bb#8192:fb#1024:tb=swap:\
	:pc#2132260:oc#0:bc#8192:fc#1024:\
	:pd#10208:od#32:bd#8192:fd#1024:td=msdos:\
	:pe#781250:oe#262144:be#8192:fe#1024:te=4.2bsd:\
	:pf#544433:of#1043394:bf#8192:ff#1024:tf=4.2bsd:\
	:pg#544433:og#1587827:bg#8192:fg#1024:tg=4.2bsd:\
	:ph#1088866:oh#1043394:bh#8192:fh#1024:th=4.2bsd:

#QUANTUM, FIREBALL_TM3200S
FIREBALL_TM3200S-MBR:\
	:ty=winchester:ns#184:nt#5:nc#6810:\
	:pa#120832:oa#10240:ba#8192:fa#1024:ta=4.2bsd:\
	:pb#131072:ob#131072:bb#8192:fb#1024:tb=swap:\
	:pc#6265200:oc#0:bc#8192:fc#1024:\
	:pd#10208:od#32:bd#8192:fd#1024:td=msdos:\
	:pe#781250:oe#262144:be#8192:fe#1024:te=4.2bsd:\
	:pf#1205000:of#1043394:bf#8192:ff#1024:tf=4.2bsd:\
	:pg#2008403:og#2248394:bg#8192:fg#1024:tg=4.2bsd:\
	:ph#2008403:oh#4256797:bh#8192:fh#1024:th=4.2bsd:

# QUANTUM ATLAS, XP34300
XP34300:\
	:ty=winchester:ns#107:nt#20:nc#3907:\
	:pa#131072:oa#0:ba#8192:fa#1024:ta=4.2bsd:\
	:pb#131072:ob#131072:bb#8192:fb#1024:tb=swap:\
	:pc#8360980:oc#0:bc#8192:fc#1024:\
	:pd#1024000:od#262144:bd#8192:fd#1024:td=4.2bsd:\
	:pe#1024000:oe#1286144:be#8192:fe#1024:te=4.2bsd:\
	:pf#2048000:of#2310144:bf#8192:ff#1024:tf=4.2bsd:\
	:pg#2048000:og#4358144:bg#8192:fg#1024:tg=4.2bsd:\
	:ph#1954836:oh#6406144:bh#8192:fh#1024:th=4.2bsd:\
	:pi#2712458:oi#262144:bi#8192:fi#1024:ti=4.2bsd:\
	:pj#2712458:oj#2974602:bj#8192:fj#1024:tj=4.2bsd:\
	:pk#2673920:ok#5687060:bk#8192:fk#1024:tk=4.2bsd:\
	:pl#4068688:ol#262144:bl#8192:fl#1024:tl=4.2bsd:\
	:pm#4030148:om#4330832:bm#8192:fm#1024:tm=4.2bsd:\
	:pn#8098836:on#262144:bn#8192:fn#1024:tn=4.2bsd:

#iomega ZIP with MBR boot partition
ZIP-MBR:\
	:ty=zip:ns#32:nt#64:nc#96:\
	:pa#188416:oa#4096:ba#8192:fa#1024:ta=4.2bsd:\
	:pc#192512:oc#4096:bc#8192:fc#1024:\
	:pd#4064:od#32:bd#8192:fd#1024:td=msdos:\