DSQD Drives (Was: RE: Diags/Boot image for Altos 580)

From: Doc <doc_at_mdrconsult.com>
Date: Sun Mar 17 19:22:51 2002

On Sun, 17 Mar 2002, Fred Cisin (XenoSoft) wrote:

> On Sun, 17 Mar 2002, Doc wrote:
> > Erck. That distant splash you just heard was the sound of Doc hitting
> > the bottom of the well. We passed the "All Greek To Me" phase awhile
> > back.
>
> Sorry; some of the issues that came up do NOT matter for what you want to
> do.

  Oh, good. I was feeling very small.... ;^)

> > So. The "fd0h720" device on my Debian Linux machine is defined as
> > "/dev/fd0h720 5.25" 720K in a 1200K drive"
> Perfect!
> > Will the 1.2M drive write reliable QD disks? Note that I said "write
> > reliable" not "reliably write". Several tries is no biggie.
> Yes! (with the right blanks)

  Alrighty then!

> > > 360K (AND "QD") is 300 Oerstedts; 1.2M is 600 Oerstedts.
> > Uh. OK. In dumbass terms, does that mean "no go"?
>
> No, just DON'T use "High density" diskettes.
> If you can find them, use diskettes rated for 720K usage.

  The blanks I have are 3M "DS,DD Formatted Diskettes" IBM formatted at
360K. I gotta bunch, so a few failed formats won't stop the show.

> If you CAN'T fine them, use 360K diskettes. Most of us have no problem
> with using 360K diskettes, but SOME (including Tony) have had problems
> with them. That might be due to his closer geographical proximity to
> Stonehenge, or to the Greenwich meridian :-)

  In Texas, you have to "hold your mouth right".

> > Or, if I had a copy of 22disk (yeah, I'll google in a minute) I
> > suppose I could boot to DOS and do that. Does 22disk understand dd
> > images? (Andreas already cut to the chase & imaged a couple of trial
> > runs for me)
>
> It should be able to do it without any problems.
> If not, contact me off-list and I'll help you.

  'K. dd first, then 22disk if dd craps out.

        Doc
Received on Sun Mar 17 2002 - 19:22:51 GMT