[Coco] Re: [Color Computer] setting up Nitros9 device descriptor for SCSI drive

[Mark Marlette]

Gene,

Yes that would work.

Mark


Quoting Gene Heskett <gene.heskett at verizon.net>:

> On Thursday 14 September 2006 09:51, Mark Marlette wrote:
>> Jim,
>>
>> I let Boisy reply to this since it is a software configuration issue.
>>
>> Error 246 to me jumps out at me as you don't have the drive id to the
>> desired descriptor setup properly.
>>
>> Has nothing to do with HDB-DOS, that is later after you have the proper
>> drive selected. DNS field IIRC...
>>
>> In general, NitrOS-9 works from the bottom of the drive and HDB-DOS
>> works from the top of the drive down. So in HDB-DOS you place an LSN
>> sector offset to the first drive, ie drive 0. NitrOS-9 only has to have
>> an entry only if you are using multiple NitrOS-9 partitions. The
>> Wizard.bas program will do this configuration for you **if** you enter
>> the correct data. Also you MUST, in the descriptor tell SuperDriver not
>> to autosense the drive size, this will step on your HDB-DOS partition.
>>
>> SuperDriver is very neat. If you didn't have a HDB-DOS partition you
>> wouldn't even have to tell it the cyls, sid, sec, etc...it is all done
>> for you.
>>
>> Some utilities did not take into account the cluster size and assumed a
>> size of 1. Run that utilitity that writes to the drive without a
>> cluster size of 1 and BOOM, corrupt drive......... :(
>>
>> The B&B utilites are REALLY bad about this. Ezgen, etc....
>>
>> I don't recommend a NitrOS-9 partition >127MB because of this. 127MB is
>> HUGE!!!!!
>>
>> Boisy......
>>
> Humm, but would it be ok to setup an /s1 descriptor for another 127 megs
> that started with the next sector above the end of the first, repeat
> with /s2 etc till out of drive?
>
> Granted, that would be considered major overkill in some circles...
>
>> Mark
>> Cloud-9
>>
>> Quoting jlhickle <jlhickle at yahoo.com>:
>>> Can anyone point me to some instructions for setting up a device
>>> descriptor for a SCSI hard drive under nitros9?  I'm using cloud-9's
>>> super driver. Hard drive has HDB-DOS virtual drives 0 thru 250 and I
>>> want nitros9 to use the rest of the drive. Attempts to use device /s0
>>> gives error 246 (device not ready).
>>>
>>> I'm thinking the problem may be in how to tell nitros9 about
>>> partitioning the drive.  I also have a Jaz drive (SCSI ID 4) which
>>> works  with device /s4; didn't have to dmode any changes to that one.
>>>
>>> -jim
>
> --
> Cheers, Gene
> "There are four boxes to be used in defense of liberty:
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> message by Gene Heskett are:
> Copyright 2006 by Maurice Eugene Heskett, all rights reserved.
>
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