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1999-11-08
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JJSCDROM.DMD (JJ19991108) - modified CD-ROM device manager
for CD-DA digital readout
This is a modified OS/2 CD-ROM device manager based on latest DDK Online
source. It will be work on OS/2 2.x or later.
# "lxLite"d version was obsoleted because of corruption :)
Added features:
- "Specifying CD-ROM unit" option (/U:n) is added.
It will be used with some unit-based options such as /F (see below).
0 indicates first unit, and no /U option means all ones.
- "Forcing feature" option (/F[CMST]) is added.
It forces some features to /U-specified unit (or all ones).
/FC - force CD-DA readout capability
It will force to enable CD-DA digital readout capability flag.
In default (or standard OS2CDROM.DMD), non-IBM/Sony/Toshiba SCSI units
will be incapable.
/FM - force multi-session capability
/FS - force CD-DA readout feature to Sony CDU-561 compatible
(SCSI unit only)
It will exclude /FT.
/FT - force CD-DA readout feature to Toshiba XM-3401 compatible
(SCSI unit only)
It will exclude /FS.
Simple /F means /FC /FM /FS conbination.
- "WORM-device as CD-ROM" option (/W) is added.
For some WORM-style SCSI CD-R drives.
- Slow audio initialization problem of some Plextor SCSI drives is fixed.
- "Ignore unit" option (/I) is added.
This is unit-based option like /F and should be with /U.
Without /U option will cause no CD-ROM drive present.
- "Verbose" option (/V) is enhanced.
It will display some information such as:
IBM OS/2 JJSCDROM.DMD (960528) (JJ19991106)
ui : di-ai-un-l : vendor product rev [flag]
00 : 02-00-03-0 : TEAC CD-ROM CD-532S 3.0A [CM+S]
01 : 02-00-05-0 : TOSHIBA CD-ROM XM-3501TA 2694 [CM+T]
^^ ^^ ^^ ^^ ^ ^^^^^^^^ ^^^^^^^^^^^^^^^^ ^^^^ ^^^^
| | | | | | | | |||
a b c d e f g h ijk
a : # of CD-ROM unit index, for /U option
b : # of device driver index installed
c : # of adapter index controlled by device driver
d : (physical) unit number connected to adapter
and detected as CD-ROM (or WORM)
e : logical unit number in physical unit
f, g, h : device inquery string
i : Uppercase if CD-DA digital readout capability flag enabled
j : Uppercase if multi-session capability enabled
k : +S/+T if forced CD-DA readout feature to
Sony/Toshiba compatible
Examples:
- Uses a Sony CDU-561 compatible CD-ROM unit, but cannot be recognized CD-DA
readout/multi-session features by standard OS2CDROM.DMD
DEVICE=d:\OS2\BOOT\JJSCDROM.DMD /F
- Uses 3 CD-ROM units, one (unit #0) IDE ATAPI drive, one (unit #1) Toshiba
SCSI OEM-version (non-Toshiba SCSI Inquery) drive and (unit #2) Sony
CDU-561 compatible SCSI
DEVICE=d:\OS2\BOOT\JJSCDROM.DMD /U:1 /FC /FM /FT /U:2 /F
- Uses WORM-style SCSI CD-R as CD-ROM, such as Yamaha CDR102
DEVICE=d:\OS2\BOOT\JJSCDROM.DMD /W
- Ignores 2nd CD-ROM unit for other CD-ROM driver/file system such as
RSJ CDW-FS or Pegasus-OFS
DEVICE=d:\OS2\BOOT\JJSCDROM.DMD /U:2 /I
Feedback:
Please send email to Takayuki 'January June' Suwa.
mailto:jjsuwa@sys3175.com [ access violation :) ]
Acknowledgments:
- Atsushi Nishio (anishio@yamato.ibm.co.jp), predecessor modifing CD-DA
readout feature. I referred how to enable CD-DA readout/multi-session
capabilities and to attach WORM-style SCSI CD-R.
- Ernst Fueloep (fueloep@at.ibm.com), author of another modified
OS2CDROM.DMD. I also referred how to fix Plextor problem.