[Coco] Hard drive trouble

Bob Devries devries.bob at gmail.com
Sat Apr 5 23:13:31 EDT 2008


It is usual practice for descriptors /DD and /H0 to point to the same drive.

--
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 2:06 PM
Subject: Re: [Coco] Hard drive trouble


> Don't forget the original problem. When I do a dir /h0 or a dir /h1, I get 
> the result from /h0 on both.
>
> Even with or without an /h1 in the system.
> I can change the default drive from /h0 to /h1 and do a dir /dd and /h0 
> responds.
>
> It makes no sense at all.
>
>
> ----- Original Message ----- 
> From: "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
>>>>
>>>>
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>>>
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