SCSI-2 HD and SCSI Chip Problems

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3 total messages Started by Mark Naughton Thu, 28 Oct 1999 00:00

#498

Author: Mark Naughton
Date: Thu, 28 Oct 1999 00:00

19 lines
1315 bytes

Wondered if one of you technical Amigans might be able to
help me out here. I have a A3000 in a tower with a SCSI-2 Hard drive and
a SCSI-1 controlling chip on the board. I know replacements for these do
not exist so thats ruled out (or is it?).

The problem is I keep getting checksum errors when reading from the HD or
even writing when more than one program is accessing the drive. I have
cured it to some effect by reducing the Max Transfer Rate in the Partition
drive
option of HDToolBox to about $DFFFFFF (roughly - only the 1st char was
changed).

So, does anyone know what value I can set the Max Transfer to totally
alleviate
these problems.

All help is appreciated.

Mark.

Re: SCSI-2 HD and SCSI Chip Problems

#499

Author: Terrance Richard Boyes
Date: Sat, 30 Oct 1999 00:00

29 lines
2386 bytes

Mark Naughton <mark@blue-shantung.demon.co.uk> wrote:
> Wondered if one of you technical Amigans might be able to
> help me out here. I have a A3000 in a tower with a SCSI-2 Hard drive and
> a SCSI-1 controlling chip on the board. I know replacements for these do
> not exist so thats ruled out (or is it?).

> The problem is I keep getting checksum errors when reading from the HD or
> even writing when more than one program is accessing the drive. I have
> cured it to some effect by reducing the Max Transfer Rate in the Partition
> drive
> option of HDToolBox to about $DFFFFFF (roughly - only the 1st char was
> changed).

NB that if you've copied stuff to the drive whilst the values were
incorrectly set then the data may be corrupt.

> So, does anyone know what value I can set the Max Transfer to totally
> alleviate
> these problems.

Try 

Mask - fffffe
MaxT - fffe00

-- 
<URL:http://www.pierrot.co.uk/>                                  Team AMIGA
Why does man kill?  He kills for food.  And not only food: frequently
there must be a beverage.  - Woody Allen, "Without Feathers"

Re: SCSI-2 HD and SCSI Chip Problems

#500

Author: Mark Naughton
Date: Sat, 30 Oct 1999 00:00

41 lines
2020 bytes

Hi Terrance !

Terrance Richard Boyes wrote in message
<19991030.001455.9E9801DE.l2aa@pierrot.co.uk>...
>Mark Naughton <mark@blue-shantung.demon.co.uk> wrote:
>> Wondered if one of you technical Amigans might be able to
>> help me out here. I have a A3000 in a tower with a SCSI-2 Hard drive and
>> a SCSI-1 controlling chip on the board. I know replacements for these do
>> not exist so thats ruled out (or is it?).
>
>> The problem is I keep getting checksum errors when reading from the HD or
>> even writing when more than one program is accessing the drive. I have
>> cured it to some effect by reducing the Max Transfer Rate in the
Partition
>> drive
>> option of HDToolBox to about $DFFFFFF (roughly - only the 1st char was
>> changed).
>
>NB that if you've copied stuff to the drive whilst the values were
>incorrectly set then the data may be corrupt.
>
>> So, does anyone know what value I can set the Max Transfer to totally
>> alleviate
>> these problems.
>
>Try
>
>Mask - fffffe
>MaxT - fffe00
>

Many thanks for the values. I have since put them in and all works fine,
well
no errors yet anyway. Whenever I had one of these errors I would run
DiskSalv
against it and remove the corrupt file - luckily I keep backups.

Take it easy,

Mark.

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