[Coco] Hard drive trouble

[Bob Devries]

The command to create the hard drive descriptors is SCSIDESC. I used that 
command to create my descriptors. The programme asks a number of questions 
regarding your controller and the drive's parameters, and will also create 
the /DD descriptor, IIRC.

--
Regards, Bob Devries, Dalby, Queensland, Australia

Isaiah 50:4 The sovereign Lord has given me
the capacity to be his spokesman,
so that I know how to help the weary.

website: http://www.home.gil.com.au/~bdevasl
my blog: http://bdevries.invigorated.org/

----- Original Message ----- 
From: "George Ramsower" <georgeramsower at gmail.com>
To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
Sent: Sunday, April 06, 2008 1:12 PM
Subject: Re: [Coco] Hard drive trouble


> The coco output looks fine using the font: Lucida Console.
>
> ----- Original Message ----- 
> From: "George Ramsower"
>
>> Okay...
>>
>> I saved h0 and h1 to the hard drive and did this again. Before, I used 
>> the descriptors I had in the config directory.
>> The results were the same except for the DNS setting in /h1.
>> Now the cmp looks like this:
>>
>> OS9[t3]:cmp h0 h1
>>
>> Differences
>>
>> byte      #1 #2
>> ========  == ==
>> 00000013  00 01
>> 00000022  B0 B1
>> 0000002E  03 58
>> 0000002F  C5 D5
>> 00000030  D0 D6
>>
>> Bytes compared:   00000031
>> Bytes different:  00000005
>>
>> Here are dumps of h0 and h1:
>>
>> OS9[t3]:dump h0
>>
>> Addr   0 1  2 3  4 5  6 7  8 9  A B  C D  E F  0 2 4 6 8 A C E
>> ----  ---- ---- ---- ---- ---- ---- ---- ----  ----------------
>> 0000  87CD 0031 0021 F189 DD00 2400 27FF 07FF  .M.1.!q.].$.'...
>> 0010  740F 0100 0080 8002 6704 0100 3400 3401  t.......g...4.4.
>> 0020  0868 B001 5242 C653 4353 4953 59D3 03C5  .h0.RBFSCSISYS.E
>> 0030  D0                                       P
>>
>> OS9[t3]:dump h1
>>
>> Addr   0 1  2 3  4 5  6 7  8 9  A B  C D  E F  0 2 4 6 8 A C E
>> ----  ---- ---- ---- ---- ---- ---- ---- ----  ----------------
>> 0000  87CD 0031 0021 F189 DD00 2400 27FF 07FF  .M.1.!q.].$.'...
>> 0010  740F 0101 0080 8002 6704 0100 3400 3401  t.......g...4.4.
>> 0020  0868 B101 5242 C653 4353 4953 59D3 58D5  .h1.RBFSCSISYSXU
>> 0030  D6                                       V
>>
>> When this comes back to me, I'm going to copy it and paste it into a WP 
>> program or NotePad or WordPad or each to see what results in what I see 
>> on Hypeterminal and the coco. This email thing makes it all messed up 
>> looking.
>>
>>
>>> This question is directed to anyone that can help.
>>>
>>> I played with this problem for a while, day before yesterday. I created 
>>> another new boot disk, wth older device descriptors and the result was 
>>> the same.
>>> So I compared the device descriptors from various iterations that I have 
>>> of OS9 in different directories and they all match exactly as they 
>>> should.
>>>
>>> Finally, want to show you a cmp of the h0 and h1 descriptors to see if 
>>> anyone has a suggestion as to why they both access the same drive. I've 
>>> tried this on two drives with the same result. I jumpered each drive as 
>>> h0.... well actually removed the jumper to make them h0. Only one drive 
>>> in the system each time.
>>> This is the Kenton SCSI card, Kenton driver. I don't remember where I 
>>> got the descriptors, but they used to work. I used both drive on this 
>>> machine and used /h1 as a backup. If I made changes, I don't remember 
>>> doing so.
>>>
>>> Here's a cmp of the descriptors..
>>>
>>> OS9[t3]:cmp h0.dd.scsi h1.dd.scsi
>>>
>>> Differences
>>>
>>> byte      #1 #2
>>> ========  == ==
>>> 00000013  00 01
>>> 00000016  80 81
>>> 00000022  B0 B1
>>> 0000002E  03 5C
>>> 0000002F  C5 D1
>>> 00000030  D0 B4
>>>
>>> Bytes compared:   00000031
>>> Bytes different:  00000006
>>>
>>> Is this the way they are supposed to be?
>>>
>>> In byte 016, the 81 gets changed to 80 in operation because it won't 
>>> work with an 81. That's the DNS setting.
>>> I'm pretty sure byte 013 is the actual SCSI ID. I have no idea what byte 
>>> 022 is.
>>> The last three, I think are CRC stuff. Yes?
>>>
>>> George
>>
>>
>> --
>> Coco mailing list
>> Coco at maltedmedia.com
>> http://five.pairlist.net/mailman/listinfo/coco
>
>
> --
> Coco mailing list
> Coco at maltedmedia.com
> http://five.pairlist.net/mailman/listinfo/coco