Re: 1581 bug

From: William Levak <wlevak_at_SDF.ORG>
Date: Thu, 3 Jul 2014 04:30:41 +0000 (UTC)
Message-ID: <Pine.NEB.4.64.1407030430160.24332@sdf.lonestar.org>
Yes, it's the -01 ROM.


On Wed, 2 Jul 2014, Spiro Trikaliotis wrote:

> Hello,
>
> * On Wed, Jul 02, 2014 at 03:36:53AM +0000 William Levak wrote:
>>
>> All my 1581s are original DOS 10.
>>
>> The revised version may have fixed this.
>>
> do you know the part number of your DOS ROM chips? Is it 318045-01 or
> 318045-02?
>
> The -01 have a bug in that they "forgot" an SEI, meaning that an error
> interrupts the reading process.
>
> Have also a look at
> http://cbm-hackers.2304266.n4.nabble.com/Several-questions-td4322204.html
> (post from Rob Clarke) and
> http://unusedino.de/ec64/technical/aay/c1581/romver.htm.
>
> What you experiences looks very much like you were bitten by exactly the
> bug fixed in the -02 ROM.
>
> Regards,
> Spiro.
>
> -- 
> Spiro R. Trikaliotis
> http://www.trikaliotis.net/
>
>       Message was sent through the cbm-hackers mailing list
>

wlevak@sdf.lonestar.org
SDF Public Access UNIX System - http://sdf.lonestar.org

       Message was sent through the cbm-hackers mailing list
Received on 2014-07-03 05:00:02

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