[Coco] Hard drive trouble

[Bob Devries]

I notice you're using SCSISYS. That driver should have a program with it to 
create the descriptors for you. (DescGen???) I have a disk image of the 
SCSISYS disk here somewhere, if you need it.
For this to work, the driver *MUST* be called SCSISYS

--
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 1:01 PM
Subject: Re: [Coco] Hard drive trouble


> 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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