Installation guide

OS-9 V2.4 on EUROCOM-17 6 Additional Utilities
Software Manual 25
6 Additional Utilities
6.1 Dmode Utility
As an addition to the Microware utilities, ELTEC delivers this utility to
examine or change RBF descriptors in runtime (like xmode for SCF
descriptors).
❏ Syntax:
dmode [<opts>] /<device> [<parameters>] [<opts>]
❏ Options:
-? List usage
❏ Parameters: (prefix hex values with $)
drive=<n> RBF logical drive number
type=hard|floppy drive type
size=5|8 disk size (use 5 for 3.5)
dens=s|d data density (single or double)
tk0dens=s|d data density on track 0 (single or double)
heads=<n> number of data surfaces
cyls=<n> number of cylinders (including spares)
trkdens=s|d track density (on floppies)
scttrk=<n> physical sectors per track (including spares)
scttk0=<n> sectors per track on track 0, if tk0dns=s
ssize=<n> physical sector size
unit=<n> unit number (used by controller)
ctlid=<n> SCSI controller ID
step=<n> step rate code
verify=on|off verify by read after write
seg=<n> minimum segment allocation size
ilv=<n> physical interleave factor
toffs=<n> track base offset
soffs=0|1 first physical sector on each track
format=on|off enable/inhibit logical and physical formatting
multsct=on|off enable/disable multi-sector transfers
autosiz=on|off use/don't use SS_DSize GetStat call during format
trkfmt=on|off enable/inhibit single track formatting
tries=<n> number of attempts on read/write (1 = no retries)
wpc=<n> first cylinder with write precompensation
rwr=<n> first cylinder with reduced write current
park=<n> cylinder to park heads on