[Coco] I'm Lost

Retro Canada retrocanada76 at gmail.com
Wed Jun 12 09:22:31 EDT 2013


i think the switch will break in the long run so i keep it poked!

btw the voltage issues i had with my mpi seems to be vanished after resoldering a lot of pins on it.

Sent from my iPhone

On 2013-06-12, at 9:13 AM, Frank Pittel <fwp at deepthought.com> wrote:

> I started down the road of using a poke to electrically set the active slot
> of the MPI but decided I liked having the visual indication of the switch
> to let me know which slot was active.
> 
> Like you say it's not hard to do and the poke needed is well documented. I would
> suggest trying both approaches for a while and then settle.
> 
> The Other Frank
> 
> 
> On Wed, Jun 12, 2013 at 03:25:07AM -0400, Kip Koon wrote:
>> Ed,
>> I modified the default autoexec.bat file that came with my SuperIDE CF card
>> to include the necessary poke command with different values to select a
>> floppy controller in slot 4, 2, or 1.  I have successfully formatted 3.5"
>> floppies using my Disto Super Controller in slot 4.  It took me a little
>> time to get it all worked out, but I found it pretty straight forward once I
>> understood how to do the SCS switching.  SCS controls which slot's floppy
>> controller electronics are active in this case.  If you need further help,
>> just let me know.
>> Kip
>> 
>> -----Original Message-----
>> From: coco-bounces at maltedmedia.com [mailto:coco-bounces at maltedmedia.com] On
>> Behalf Of Ed Orbea
>> Sent: Monday, June 10, 2013 10:36 PM
>> To: coco at maltedmedia.com
>> Subject: [Coco] I'm Lost
>> 
>> I am having a hard time creating a floppy boot disk as described in the
>> SuperiDE read.me file.
>> My system is:
>> CoCo3 with Triad memory upgrade
>> MPI
>> - Slot 1 = SuperIDE using CF card (no separate IDE drive)
>> - Slot 2 = Tandy Stereo Pak
>> - Slot 3 = Modified SSP
>> - Slot 4 = DIsto SCII with HDB-DOS in ROM
>> 2 DSDD 3.5" drives
>> Roy's VGA adapter connected to and LCD display
>> 
>> When I boot the system, the MPI selector is on slot #1 I choose the option
>> to boot NitrOS9 from virtual drive 255 via the Autoexec.bas file
>> 
>> I am trying to run the mb_floppy_d0 script (as is) before I start playing
>> with ahy changes
>> 
>> What happens is that I get Error 240 and can't even format the diskette.
>> Using the other options in the autoexec file, I either can't boot NirtOS9
>> from the CF card, of can't access the physical floppy drive Eveb doing a
>> Drive OFF command before issuing a DOS255 command, does nat allow me to
>> access physical drive '0'
>> Could it be the fact that my floppy controller has HDB-DOS as well as the
>> SuperIDE has HDB-DOS and they are conflicting with each other?
>> 
>> What I want to do is to make a backup 'bootable' floppy drive, or even
>> create a bootable floppy using the CF card.
>> 
>> Any help is appreciated.
>> 
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