[Coco] Max number of floppy drives with DOS

[Robert Gault]

HDB-DOS is a refreshed RGB-DOS which was designed for 4 floppies (if on) and 256 35track emulated floppies on a hard drive. With regards to floppies, it closely follows Disk Basic which is limited to 4 drives.
You can read about HDB-DOS on the cloud9tech.com web site. You can look up the Disk Basic code and drive table in the Unravelled series in the colorcomputerarchive.

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  On Mon, May 17, 2021 at 9:31 AM, michaelkline704 at gmail.com<michaelkline704 at gmail.com> wrote:   Robert,

The question was specifically addressed to whether >>HDB-DOS<< can handle 8
logical drives (0-7). I'm curious too.

Michael

-----Original Message-----
From: Coco <coco-bounces at maltedmedia.com> On Behalf Of Robert Gault
Sent: 17 May 2021 07:52
To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
Subject: Re: [Coco] Max number of floppy drives with DOS

Unless you modify your disk ROM, the CoCo3 can only work with 4 single sided
drives. What normally is done is that the drive table is changed so that D0
and D2 are the front and back sides of your first drive and D1 and D3 are
front and back for the second drive.
What you should think about is to get a 5.25 and 3.5 drive. They can be set
for 4 singles with Basic and 2 double sided with NitrOS9. For more drives,
use emulated drives via Drivewire on your PC. Or use an emulated hard drive
on you CoCo3 via a CoCoSDC or similar hardware. Then you can have the
equivalent of 256 35track single sided drives plus a very large NitrOS9
drive.

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  On Mon, May 17, 2021 at 8:37 AM, rietveld rietveld<rietveldh at hotmail.com>
wrote:  i have 4 single sided drives connected to my coco3 .
If I buy 4 double sided drives instead will HDB DOS see them as DRIVE 0-7 ?
Dont want to spend the money on the drives if i can only use DRIVEs 0-3 with
them


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