On 9/22/22 16:31, Fred Cisin via cctalk wrote:
On Wed, 21 Sep 2022, Eric Smith via cctalk wrote:
They didn't deal with it at all. It didn't work. No normal 8-inch
floppy disks have both index holes in the jacket. If you convert a
disk from SS to DS, or vice versa, by punching the other index
That's how Cromemco shipped their distribution disks, with both holes and a
sticker to cover the unused hole with arrows on it to show which way was
which.
m
On Thu, Sep 22, 2022 at 4:32 PM Fred Cisin via cctalk
wrote:
> On Wed, 21 Sep 2022, Eric Smith via cctalk wrote:
> >>> They didn't deal
On Wed, 21 Sep 2022, Eric Smith via cctalk wrote:
They didn't deal with it at all. It didn't work. No normal 8-inch
floppy disks have both index holes in the jacket. If you convert a
disk from SS to DS, or vice versa, by punching the other index hole in
the jacket, you have to cover the
index sensor, or to
have both working as usual...
Robin
-Original Message-
From: Chuck Guzis via cctalk
Sent: 22 September 2022 20:23
To: cctalk@classiccmp.org
Cc: Chuck Guzis
Subject: [cctalk] Re: 8" disk question!
On 9/22/22 12:04, geneb via cctalk wrote:
only one index s
On 9/22/22 12:04, geneb via cctalk wrote:
only one index sensor (typically an SS drive).
>
> I've got at least three boxes of NOS Dysan disks with both of those
> index holes present, so they certainly were made commercially.
Yup. I've got similar NOS ones also.
--Chuck
On Wed, 21 Sep 2022, Eric Smith via cctalk wrote:
On Fri, Sep 2, 2022, 07:51 geneb via cctalk wrote:
The question I have is how did a contemporary system deal with the
combination of a disk with both index windows and a drive with both index
sensors?
They didn't deal with it at all. It
On Fri, Sep 2, 2022, 07:51 geneb via cctalk wrote:
> The question I have is how did a contemporary system deal with the
> combination of a disk with both index windows and a drive with both index
> sensors?
>
They didn't deal with it at all. It didn't work. No normal 8-inch floppy
disks have
> On 09/02/2022 11:05 AM CDT geneb via cctalk wrote:
>
>
> On Fri, 2 Sep 2022, Fred Cisin via cctalk wrote:
>
> > well, 720, not 7K
> No, it was actually some absurdly huge number. It has something to do
> with how the AS hardware & software was working out the RPM of the drive.
>
> g.
My
The discussion about 8" write enable tabs reminds me of a box of Imation
disks that I have here. I was asked to make a few copies for a customer
and was absolutely stymied when the target disks kept showing up as
write-protected.
It turned out that the Imation-provided tabs are made of a
On Fri, 2 Sep 2022, Fred Cisin via cctalk wrote:
On Fri, 2 Sep 2022, geneb via cctalk wrote:
All the discussion around 8" disks reminded me about a question I've not
been able to find an answer to.
I've got a Qumetrak 842 drive that I use for imaging 8" disks with either
ImageDisk or
On Fri, 2 Sep 2022, geneb via cctalk wrote:
All the discussion around 8" disks reminded me about a question I've not been
able to find an answer to.
I've got a Qumetrak 842 drive that I use for imaging 8" disks with either
ImageDisk or AppleSauce. When I first tried it out with AS, the listed
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