[Coco] Using disks with NitrOS9

[Bill Pierce]

Bill,
Most of te nitros9 disks in the repo (if not all) have the floppy /d0, /d1, & /d2 drivers for regular "real" floppies.
The format of nos9 disk you use to boot with (40trk & 80trk) usually determines what the drive descriptors are set for. Dmode is usually in the cmds dir to change the drive settings to fit your drives. Here's the standard settings for dmode:
dmode typ=20 cyl=28 sid=2 (double sided 40trk 5.25)
dmode typ=20 cyl=23 sid=1 (single sided 35trk 5.25)
dmode typ=21 cyl=50 sid=2 (double sided 80trk, 3.5 & 5.25HD)

The real downfall in the repo disks is that no one seems to "get it" that 35trk SSDD disks are needed to make HDBDOS & RGBDOS boot from drive 255 or 254 using RG's AUTOEXEC.BAS or to boot from real floppies. So you have to make your own from the 40trk or 80trk disks. I ususally make my own for several configurations that I use, from floppy, to HD to DW4 to Becker port. Even Level 1 for DW4 as well as Becker port.

Bill Pierce
My Music from the Tandy/Radio Shack Color Computer 2 & 3
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-----Original Message-----
From: Bill <cwgordon at carolina.rr.com>
To: Coco Enthusiasts <coco at maltedmedia.com>
Sent: Mon, Aug 19, 2013 5:02 pm
Subject: [Coco] Using disks with NitrOS9


Having learned to look before I ask, I have looked, now I'm asking.

When using HDBDOS, I have learned how to use attached drives as well as the
PC and DriveWire. And I know that I can boot up NitrOS9 using HDBDOS. But,
how do I use the drives physically attached to the Coco3 with NitrOS9? Is
there any documentation for that? I'd like to make a NitrOS9 boot disk for
use without using DriveWire (when I want it) and to transfer OS-9
files/programs onto physical disks as well.

Thanks


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