# $OpenBSD: disktab,v 1.5 2003/08/07 21:06:24 miod Exp $ # # @(#)disktab 5.5 (Berkeley) 2/27/91 # # Disk geometry and partition layout tables. # Key: # ty type of disk # ns #sectors/track # nt #tracks/cylinder # nc #cylinders/disk # rm rpm, 3600 default # se sector size, 512 default # sf supports bad144-style bad sector forwarding # so 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 # # All partition sizes contain space # for bad sector tables unless the # device drivers fail to support this. # # Entries may also be used for other compatible drives # with the same geometry. # # XXX - Would like :ba#4096:fa#512: but that panics... # Leave nc=16; adjust size using: ns rdroot|ramdiskroot|RAM-disk root FS image:\ :ty=simulated:se#512:nc#16:nt#2:ns#128:\ :ta=4.2BSD:oa#0:pa#4096:fa#512:ba#4096\ :ob#0:pb#0:oc#0:pc#4096: miniroot|Installation root-on-swap FS image:\ :ty=simulated:se#512:ns#32:nt#8:nc#64:\ :ta=4.2BSD:oa#0:pa#16384:\ :ob#0:pb#0:oc#0:pc#16384: