[Coco] NitrOS-9 newbie needs some help (More data)

[Kevin Diggs]

Hi,

	Could the problem be the power supply on this thing?
These things don't exactly have NASA spec power supplies. Maybe
you can carefully bypass it with a PC supply.

					kevin
Robert Gault wrote:
> Nickolas Marentes wrote:
> 
>> Latest test includes running the 6809 version of NitrOS-9 and testing the
>> formatting.
>>
>> Without changing the 6309 back to a 6809, I booted the CoCo3 with the 
>> 6809
>> version of NitrOS-9 and began formating a disk in /D1 as 40 track double
>> sided and it worked flawlessly. No changes to the CoCo3, just using 
>> the 6809
>> version of NitrOS-9. I repeated the test several times, all successful.
>>
>> I then booted the 6309 version of NitrOS-9 and proceeded to format a 
>> disk in
>> /D1 and it failed on every attempt.
>>
>> By failed, I mean that the CoCo3 simply freezes and remains locked up 
>> until
>> I do a Cold Reset to return to Extended Color Basic.
> 
> 
> Try one more test please. DSKINI a disk under Disk Basic; both sides 40T 
> if possible or just 35 track. Boot NitrOS-9, and depending on what you 
> could do in Disk Basic run:
> format /d1 r '35' L  or  format /d1 e '40' L
> It doesn't matter what case you use for the L which will do a logical 
> only not low level format.
> 
> There is essentially no difference in the disk driver (rb1773) nor 
> format regards 6809 vs 6309 code. The above test should definitively 
> indicate the driver or format as the software part of the problem.
> 
> I still think there is marginal hardware in your system. If not the 
> case, the presence of an MPI would not have any effect on formatting disks.
> 
>