[Coco] Help with Nitros9 on SDC?

[Don Barber]

In the past few minutes I've tried a few of them, including the two you 
suggested, and they're all saying 512K of good ram.

I'm at a bit of a loss at this point.

Thanks,

Don

On 4/11/21 3:14 PM, L. Curtis Boyle wrote:
> Could be a problem on the 512K, yes. And level 3 does use memory differently. There are a few Coco 3 RAM test programs you can try from the Color Computer Archive:
> https://colorcomputerarchive.com/search?q=test <https://colorcomputerarchive.com/search?q=test>
>
> Try the Disto or Performance Peripherals ones.
>
>
>> On Apr 11, 2021, at 1:10 PM, Don Barber <don at dgb3.net> wrote:
>>
>> An interesting data point:
>>
>> I tried using drivewire images instead of the sdc, thinking it might be something odd with my sdc.
>>
>> This image, when booting from a DW mounted image, also failed in seemingly the same place:
>>
>> https://nitros9.sourceforge.io/snapshot/NOS9_6809_L3_v030300_coco3_dw.dsk
>> *but* the L2 version at
>> https://nitros9.sourceforge.io/snapshot/NOS9_6809_L2_v030300_coco3_dw.dsk
>> booted just fine.
>>
>> As I'm reading that the difference between L2 and L3 is in the memory manager, does this suggest something odd with my 512k memory upgrade? Its a Tandy AXX-7117. Is there a diagnostic tool anyone recommends?
>>
>> Thanks,
>>
>> Don
>>
>