[Coco] NitrOS9 Boots

John Donaldson jadonaldson at charter.net
Mon Feb 14 12:50:43 EST 2005


Boisy,
   Found my problem. To make a 80T Boot DSK you have to

dmode /d1 dns=03 cyl=00a0 sid=01.

    Then running mb and it made a 80T boot DSK. The key was SID=01, if I 
left it as SID=02
the boot process failed.
    Now to include pritner and ramdisk and I'll be all set.


John Donaldson




Boisy Pitre wrote:

>John,
>
>I believe what you want to do is: DMODE /D1 DNS=01 CYL=00A0.  DNS should
>not be set to $03, except in the case where you are using an 80 track
>5.25" drive to read 40 track 5.25" disks.
>
>I'm guilty for perpetuating that fallacy based on an incorrect assumption
>that I had, namely that ANY 80 track device should have its IT.DNS bit 1
>set.  That is not the case.
>
>Boisy
>
>  
>
>>   I am trying to create a new 80 track boot for my JC/JV Emulator but
>>having a problem. I used to be
>>able to make a new boot file, but for some reason they are failing now.
>>   I have not changed anything in the "standard.bl" file. I have it set
>>for REL_80.
>>
>>What I do is boot NitrOS9 using a good boot DSK.
>>I then dmode /D1 DNS=03 CYL=00A0,  to set it up as a 80 track drive.
>>I then go into the emulator F6, the L and select drive 1.
>>I then type in "NEWBOOT" and it creates a blank DSK
>>I then go into SCRIPTS and execute MB
>>It goes thru all the steps, Formating Drive, creating BOOTFILE,
>>installing BOOTFILE, and copying
>>   essiatial files.
>>Then when I try to boot "NEWBOOT" it starts then fails along the way.
>>
>>What am I doing wrong.
>>
>>John Donaldson
>>
>>
>>
>>--
>>Coco mailing list
>>Coco at maltedmedia.com
>>http://five.pairlist.net/mailman/listinfo/coco
>>
>>    
>>
>
>
>  
>





More information about the Coco mailing list