Does anyone know/remember how to configure CD Rewritable drives for use by CorelSCSI for DOS/Win3.x?

Please state what you're wanting to do with the drive and include some information about the particular drive model involved.

Goal: to be able to use any one of my SCSI CDRW drives with CorelSCSI's CDCOPY command (CDCOPY actually 'copies' files from disk to CD ie it's a burning program)

Symptom: at the moment, CDCOPY reckons my HP9200i is an unknown type.

Version: my version of CorelSCSI is 2.04. When new it 'came' with support for the then CDRecorders (Kodak, Phillips CDDR200 etc ). I think it predates most SCSI CDRW's. It also came with support for WriteOnceReadMany (Worm) and Rewriable drives (most of which appear to be what we'd call magneto-optical drives)

Hardware: I have a Yamaha SCSI CDRW (8x4x6, or something basic like that)
and a HP9200i CDRW

Current SCSI card is a Adaptec 1505 ( 6360 chip )

CorelSCSI configuration: It includes a DOSCONFG program, in which we can
select the CD drive, or a special 'number' which Corel support would have supplied, when they were supporting CorelSCSI (I think this is where we might be able to configure 'modern' CDRWs, or maybe there's an option I hadn't noticed - which is why I posted the question )

Do you not have a modern Windows os? eg: 95 ~ XP? If your goal is to burn disks, it would be much easier with Windows and a compatible recording software like Easy Cd Creator or Nero. I'm not sure that DOS even supports writing a cd-rw disk... with any recording software and newer cd-rw drives.

I use an old Panasonic 8x scsi burner with a 2940W scsi controller and use Easy Cd Creator v4.x with no problems. I also use CdrWin 5 with no problems. However, my burner is only cd-r. I have 2 other 52x ide cd-rw drives and burn disks using Easy Cd Creator 6 and Nero 6.6.6.1 with those newer drives.

Perhaps some CorelSCSI expert can help...if there's any around/left. I'm pretty ancient but never used CorelSCSI to burn a disk.

I DO NOT WANT TO CHANGE/ISOLATE myself to Win9x or whatever just to be able to backup to CD (my personal data is on a DOS/Win3.11/OS2 disk which is fairly virus-safe, though I have a W95 disk).

Command line DOS WILL backup to CD given the right sw & config

I've used a version of CDRecord ported to MSDOS, But it needs a full image to burn - which takes time.

The attraction of CDCopy from CorelSCSI is that it DOESN'T require the preparation of an image - a bit like using Nero or NTi within Win32.

The other attraction of backup from command line DOS is that you KNOW Windows can't possibly have files open that you're trying to backup (simply because Windows isn't going).

Yet another attraction is that you can boot from floppy, ZIP or LS-120 or even CD instead of the hard drive you're trying to backup - so you know you've got your disk's filesystem isolated.

The problem is getting CorelSCSI to recognise more modern CDRW drives
(or even, for that matter, Nero for Win 3.1x to do the same - I'd risk backing my data from Win 3.11, if not the OS).

Yeah, I need a CorelSCSI user, which is why I tried here (pity they took their user advice offline when they stopped retailing it).

Thanks anyway.

I DO NOT WANT TO CHANGE/ISOLATE myself to Win9x or whatever just to be able to backup to CD (my personal data is on a DOS/Win3.11/OS2 disk which is fairly virus-safe, though I have a W95 disk).

Command line DOS WILL backup to CD given the right sw & config

I've used a version of CDRecord ported to MSDOS, But it needs a full image to burn - which takes time.

The attraction of CDCopy from CorelSCSI is that it DOESN'T require the preparation of an image - a bit like using Nero or NTi within Win32.

The other attraction of backup from command line DOS is that you KNOW Windows can't possibly have files open that you're trying to backup (simply because Windows isn't going).

Yet another attraction is that you can boot from floppy, ZIP or LS-120 or even CD instead of the hard drive you're trying to backup - so you know you've got your disk's filesystem isolated.

The problem is getting CorelSCSI to recognise more modern CDRW drives
(or even, for that matter, Nero for Win 3.1x to do the same - I'd risk backing my data from Win 3.11, if not the OS).

Yeah, I need a CorelSCSI user, which is why I tried here (pity they took their user advice offline when they stopped retailing it).

Thanks anyway.

The problem is that you are a dinosour in a modern world. You were given good advice and you don't want to leave win3.x and DOS? Are you for real?! you're like trying use super unleaded gas for your horse and buggy. You state that "I DO NOT WANT TO CHANGE/ISOLATE myself to Win9x or whatever just to be able to backup to CD", understand that if you don't change to a modern operating system, you are isolating yourself. You will find that you are all alone on this one. Hmmmm, isn't that isolation?

The problem is that you are a dinosour in a modern world. You were given good advice and you don't want to leave win3.x and DOS? Are you for real?! you're like trying use super unleaded gas for your horse and buggy. You state that "I DO NOT WANT TO CHANGE/ISOLATE myself to Win9x or whatever just to be able to backup to CD", understand that if you don't change to a modern operating system, you are isolating yourself. You will find that you are all alone on this one. Hmmmm, isn't that isolation?
prhaps a poor choice of one word!
hardly enough to be judged and called extinct animal names!
I'm glad there are still few of guys like you left. Actually, I'm sure there are entire generations striving to master the BASIC, DOS, LINUX, and many other systems, some of which have not even been invented yet. I'm sure, there is a lot of bill gateses too.
regardless, what you want is ASPI for your burners. They don't ship anything extra anymore unless you ask for it. every software starts in DOS so even the 'modern' CDRW are covered. Adaptec has put out tons of code for SCSI and that guy in Karlsbad Gemany has it for his stuff as well
What we need here, is a free exchange of knowledge, information and software, without some punk telling you what, where and how. Keep it up!

Does anyone know/remember how to configure CD Rewritable drives for use by CorelSCSI for DOS/Win3.x?
see if this will provide some inspiration

The driver also contains a built-in ASPI manager. This allows for other NetWare Loadable Modules (NLMs) to gain access to the host adapter. Given the flexibility of ASPI, several companies are currently providing server-based tape backup solutions through ASPI. SBackup is a server based tape backup solution which is shipped by Novell with NetWare 3.11. SBackup supports the ASPI interface. There are other ASPI modules already developed or under development. A programming specification is available from Adaptec if you are interested in writing your own NetWare 386 ASPI module.

If your file server does a lot of IO operations and you want to try optimizing its performance, you can adjust the "max_tags=?" and "max_notags" command line switch. These switches control the maximum number of tagged and non-tagged commands outstanding at a given device, respectively.
Refer to your disk-drive's documentation to determine if tagged-queuing is supported, and the maximum number of outstanding commands supported.
Default values are 16 and 2, respectively.

Examples of changing this feature are below:

:load aic7870 max_tags=2 max_nontags=1
:load aic7870 tag_disable=ffff max_nontags=1

The first example is set for tag-queuing drives and the second case is for non-tag-queuing drives. The max_tags parameter can be set between 1 and 32.
The max_non_tags parameter can be set as 1 or 2. Larger values give the drives more opportunity for optimization, but take up more memory in the server.

For several reasons, you may want to use a lower value of max_tags.
For some drives, maximum performance is achieved with a max_tags less than the maximum supported by the drive.
Also, some drives may not support the driver's maximum count of 32, or may suffer starvation problems with large counts, leading to drive deactivation.

The second example turns off tagged-queuing for all devices. This may be necessary for starvation-prone drives.

Note: To use a read ahead buffer for the CD-ROM, it is necessary to first lock the CD-ROM. Mounting a volume will typically do this automatically. Check monitor.nlm for the lock status of the device.

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The following table shows default values for driver command line options. It was inadvertently left out of your manual. Please refer to the following table for the default values.

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OPTION DEFAULT VALUE RANGE
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slot n/a 16-41, 116-141, etc.
verbose n y,n
removable on on,off
fixed_disk on on,off
dev_enable ffh 00-ffh (bitmask)
tag_disable 00h 00-ffh (bitmask)
start_unit* 00h 00-ffh (bitmask)
lun_enable 01h 00-ffh (bitmask)
(default is lun 0 only)
io_combine 32 1-32 (decimal)
max_sectors 256 1-256 (decimal)
max_tags 16 1-32 (decimal)
max_nontags 2 1-2 (decimal)
read_after_write 1 0,1 (1=write and verify,
0=write only)
instr 0 0,1 (1=turn on performance
instrumentation)

Note: Bitmask ranges are 0-ffff for wide products (e.g. 2940W), with the exception of lun_enable. This mask is used for 8 LUNs, not targets, and is thus a 8-bit quantity for both narrow and wide products.

*- The start_unit switch also exists for aspicd.dsk. In this case, the default is ffffh (all targets). It may need to be turned off to avoid SCSI bus hangs caused by multiple-LUN CD-ROM's. The start_unit switch on aic7870.dsk will not filter commands intended for CD-ROM's.
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