[Coco] NitrOS9 + CoCo SDC (30M) - How to access real floppy?

[carygreen at aviaaero.com]

Thanks for the quick replies gentlemen.  No problem accessing the floppy through BASIC as you describe Robert (DRIVE 0,OFF), but how to disable drive 0 (single real floppy drive) and still be able to boot from CoCo SDC??

Doug, the rb1773 driver is indeed there, but no f0 or f1 descriptors.  There are however x0...x3 descriptors.  Will do some more research on this.

Thanks!

Cary

-----Original Message-----
From: Coco [mailto:coco-bounces at maltedmedia.com] On Behalf Of Doug Fraser
Sent: Wednesday, May 02, 2018 20:44
To: CoCoList for Color Computer Enthusiasts
Subject: Re: [Coco] NitrOS9 + CoCo SDC (30M) - How to access real floppy?

Cary,
When you boot off the CoCoSDC into NitrOS9, do an 'mdir' command. If you see the 'rb1773' driver and 'f0' or 'f1' descriptors in memory then all you need do is a 'dir /f0' or 'dir /f1, with a disk in the drive to access the files. If rb1773, f0 and f1 aren't in memory then they will need to be added with the kwikgen command. 
The NitrOS9 modules are in /dd/nitros9/6309l2/modules/rbf IIRC.
Doug


Sent from my Samsung Galaxy smartphone.
-------- Original message --------From: Robert Gault <robert.gault at att.net> Date: 2018-05-02  17:31  (GMT-08:00) To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com> Subject: Re: [Coco] NitrOS9 + CoCo SDC (30M) - How to access real floppy? 
Cary,

You would need to send a command to the CoCoSDC turning one of the mounts to access a real floppy. 
That can be done easily from Basic but probably not from NitrOS-9. Barry Nelson's CoCoSDC utility 
disk for OS-9 does not seem to have the drive ON/OFF command.

Why don't you switch one of the CoCoSDC drives to your real floppy before booting NitrOS_9?
DRIVEn,OFF
That should engage your real floppy where n is the drive number desired.

Robert

carygreen at aviaaero.com wrote:
> Hi All,
>
>
>
> New member here.  Was hopeful to get some guidance as I am getting
> acquainted with NitrOS9.
>
>
>
> I have a CoCo3 with the CoCo SDC in Slot 3 of the MPI (Boot slot) and a
> single floppy drive with the controller in Slot 4.
>
>
>
> Was wondering if/how it is possible to access the floppy disk drive after
> booting NitrOS9 from the CoCo SDC.
>
>
>
> Thanks in advance.
>
>
>
> Cary Green
>
> Avia
>
> 904.505.5185
>
> www.aviaaero.com
>
>
>
>


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