[Coco] Disk Problems

[K. Pruitt]

That's exactly why I thought it was the rom chip as well.  Turns out it was 
oxidized
contacts.  Why it worked okay under OS9 but not under RSDOS is a mystery to
me.  I also didn't know that gold contacts could oxidize, but apparently
they can to some degree.

----- Original Message ----- 
From: "Bruce W. Calkins" <brucewcalkins at charter.net>
To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
Sent: Thursday, February 09, 2012 5:59 PM
Subject: Re: [Coco] Disk Problems


>I do know that OS-9 does not use any ROM once you get past the DOS command. 
>This has me thinking you may have a problem with your Tandy ROM chip.  Try 
>reseating it making sure all pins are lined up correctly.
>
> Bruce W.
>
> ====================
>
> ----- Original Message ----- 
> From: "K. Pruitt"
>
>> I'm having a disk problem and figured I'd ask if anybody here has any 
>> idea on what may be going on.  Under OS9 Level II I am having no disk 
>> problems at all.  I can read and write without problem.  Under RSDOS I 
>> can read the disk with no problem but cannot write to the disk.  If I try 
>> and save to disk it appears to save, but the file is not actually present 
>> on the disk. If I turn verify on it errors out instead of pretending to 
>> write to disk. DSKINI always results in an I/O error.  This problem 
>> occurs on both floppy drives in my system.
>>
>> My disk controller is a disto super controller 2 with a tandy rom chip in 
>> it.  Does OS9 utilize that rom chip at all?   I double checked the inside 
>> of the pack and everything is plugged in correctly.  I'm the original 
>> owner of all the equipment involved.  It did work the last time I used 
>> it... which was like 20 years ago.
>
>
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