13 Jun
2005
13 Jun
'05
5:25 a.m.
Subject: Re: Wild-hair floppy drive question
From: Doc Shipley <doc at mdrconsult.com>
Date: Sun, 12 Jun 2005 21:08:43 -0500
To: General at mdrconsult.com, "Discussion at mdrconsult.com":On-Topic and
Off-Topic
Posts <cctalk at classiccmp.org>
Allison wrote:
Well, I found a couple of 3.5" drives that can be jumpered, and the
Altos doesn't recognize 'em at all. I suspect it wants a drive that
does DD only.
It has nothing to do with the drive density. It's looking for ready
or some other signal. OR a correctly formatted disk (NOT PC DOS formatted)
Subject:
Re: Wild-hair floppy drive question
From: Doc Shipley <doc at mdrconsult.com>
Date: Sat, 11 Jun 2005 20:01:12 -0500
To: General at mdrconsult.com, "Discussion at mdrconsult.com":On-Topic and
Off-Topic
Posts <cctalk at classiccmp.org>
Eric Smith wrote:
Ah, so you wish to use a 3.5" floppy for an Altos that has a 5.25 DSQD?
If that is the question the answer is yes. (use one hole media aka 720k). Doc asks:
> Would a DSHD floppy drive with a DSHD disk in it
You mean a 96 TPI high-density 5.25" disk and drive (e.g., IBM 1.2M format
that was introduced with the PC/AT)?
Sorry, no, I meant a 3.5" floppy drive. As soon as Allison replied I
realized the question was ambiguous.
I've found something intersting about the Compaq m/b that hosts my
1.2MB 5.25" disk drive, though.
That board auto-detects all its hardware on every boot. If I boot
with a DSQD disk in that drive, the BIOS auto-updates the settings to
'3.5" 1.44MB Drive".
Which is what prompted my question in the first place. If not a TEAC
FD55GFV will work as a DSQD 5.25".
Do you have the jumper settings for that? TEAC's documentation
drives me up the wall. I have an FD55GFR that I can make boot and read,
but not write or format. I suppose if I absolutely have to, I'll rob an
FD55GFV from the 11/53 - the -GFR should work fine on the RQDX3.