[Coco] Unusual problem

[Christopher R. Hawks]

On Fri, 1 Nov 2013 21:03:43 -0400 (EDT)
Bill Pierce <ooogalapasooo at aol.com> wrote:

> 
> Chris, apparently you didn't read the post I was replying to. He's
> using a 35 trk drive. And also trying to boot a 40 trk virtual image
> in a 35 trk virtual system. This has nothing to do with being able to
> boot from a 40 trk system. I use an 80 trk myself. It's about trying
> to boot the wrong disk on an incompatable system.

	NO YOU DIDN"T READ THE POST. 

AND I QUOTE ...
> When hooked to my PC (running XP SP3) in the shed, it works great. 

> It will read DriveWire 4 without a hitch, and it will run BOTH RS-DOS
> and NitrOS-9 disks beautifully.

> HOWEVER, when I bring it into the house and hook it up to my PC in the
> office (also running XP SP3), it will not run ANY NitrOS-9 images from
> DriveWire.


> -----Original Message-----
> From: Christopher R. Hawks <chawks at dls.net>
> To: coco <coco at maltedmedia.com>
> Sent: Fri, Nov 1, 2013 8:52 pm
> Subject: Re: [Coco] Unusual problem
> 
> 
> On Fri, 1 Nov 2013 17:56:15 -0400 (EDT)
> Bill Pierce <ooogalapasooo at aol.com> wrote:
> 
> > 
> > Bill,
> > I think I see your problem right off the bat.
> > While others are talking hardware and solder problems, no one seemed
> > to notice you said you were trying to boot from a 40 trk disk image.
> > From RSDOS (or hdbdos), a 40 trk image will not work. The boot track
> > (track 34) is in the wrong place and rsdos will not find it as it is
> > treating the disk image as  a 35 trk image. I have tried and tried
> > to get someone on the Nitros9 team to make the Nitros9 images in a
> > 35 trk disk image as well as the other sizes/formats. This would
> > solve many, many problems people are having trying to boot from the
> > repository images. If you make a 35trk disk image from your working
> > copy then take that into the office and try it, I think you'll find
> > it works. Also, if you are using the 40 trk image from the repo,
> > there are NO 40trk DW images in the repo. All the 40 trk images are
> > for standard (real) drives which again, will NOT work in a 35 trk
> > disk system. So if you stick a 40trk image in dw4, it will start to
> > boot then look to the floppy for it's bootfile then fail. 
> > 
> > All in all, use a DW boot disk from the repo and cobbler a 35 trk
> > disk while in that system. Copy the CMDS (all will not fit, only
> > important ones like grfdrv, shell etc.) and SYS as well as sysgo and
> > startup to that disk and I think you'll find it works.
> 
> 	What?? You mean all these years (30) I actually havn't been
> able to boot 40 and 80 track disks with DECB???
> 
> 	You better look again. Unless you are a Dragon disk, the boot
> track is _ALWAYS_ on track 34 whether it's a 35, 40, 80 track
> drive.(Oh, and it's _ALWAYS_ on the first side.) I haven't had a 35
> track single sided drive in years. And I've been booting OS9 for 3
> decades.
> 
> 
> Christopher R. Hawks
> HAWKSoft




Christopher R. Hawks
HAWKSoft
-- 
Breaking this seal signifies agreement to the licensing agreement
contained within, for personal use only, void where prohibited, actual
mileage may vary, press <enter> to exit.