On Wed, 12 Aug 2015 at 17:01:46 -0700, Al Kossow wrote:
On 8/12/15 11:34 AM, Peter Coghlan wrote:
> The posting email addresses are only slightly disguised and could be harvested
> by spammers. Would it be possible to filter them a bit better before they are
> found?
>
That horse is already o
On 08/12/2015 11:37 PM, supervinx wrote:
Older DOS utils like IMD or TELEDISK knew better about 8" disks and
precompression, directly accessing the controller. If the Supercard
software has been written with no 8" disks support it will be hard to
manage writes correctly. My two cents
It's perfe
---
Da: supervinx
Data:13/08/2015 08:28 (GMT+01:00)
A: "General Discussion: On-Topic and Off-Topic Posts"
Oggetto: R: Re: Writing 8" floppies with SuperCard Pro
He told me there's no Linux support. I should try Keirf's utils or access the
hardware with a serial connectio
c and Off-Topic Posts"
Oggetto: R: Re: Writing 8" floppies with SuperCard Pro
Hi!
A bit OT.
I tried the fdadap card successfully reading and writing SD and DD disks,
together with a standard ISA controller.
Had to try a bit, since not every disk controller manages SD writes.
So the FDA
guy, in order to know if there's a Linux support.
I've no windows machines, only some specialized DOS one.
Messaggio originale
Da: John Foust
Data:13/08/2015 04:46 (GMT+01:00)
A: cctalk@classiccmp.org
Oggetto: Re: Writing 8" floppies with SuperCard Pro
A
On 08/12/2015 07:22 PM, Jerome H. Fine wrote:
One rather interesting aspect was that the DEC code did not
alternate between side 1 and side 2 as the head advanced. All of
side 1 was processed first followed by all of side 2. As a result,
when a floppy media with a SS index hole was written on
At 07:27 PM 8/11/2015, Josh Dersch wrote:
>Thus far I've been successful in creating images of floppies, but less
>successful in writing them back out. Thus far I've tried a pair of Shugart
>851s and a Qume QumeTrack 842. I'm using a DBit FDADAP
>(http://www.dbit.com/fdadap.html) to deal with
>Chuck Guzis wrote:
On 08/12/2015 11:12 AM, Jerome H. Fine wrote:
I forgot to mention one item. Since I had VERY few Double Sided
media with the index hole offset that extra 1/2" from the Single Sided
index hole - and I have many RX02 compatible floppy media which
are Single Sided with the in
I went back to the FDD-200 manual. The signal is ILLEGAL PACK and is on
the FDD200, not FDD100 --that's logical.
Sorry, I've been distracted by personal events lately.
--Chuck
On 8/12/15 4:21 PM, Chuck Guzis wrote:
I could have that reversed--and that SS media in the FDD-200 would cause an "illegal
media" signal to be asserted, but it's odd either way.
I'll have to check bitsavers when I get time.
An FD-200 service manual would be nice to have a scan of. I don't h
On 8/12/15 11:34 AM, Peter Coghlan wrote:
The posting email addresses are only slightly disguised and could be harvested
by spammers. Would it be possible to filter them a bit better before they are
found?
That horse is already out of the barn.
https://web.archive.org/web/20141025044832/htt
On 08/12/2015 02:22 PM, Eric Smith wrote:
On Wed, Aug 12, 2015 at 2:26 PM, Chuck Guzis
wrote:
...and others, such as the Siemens FDD-100 (single sided) will
output an "illegal medium" signal if double-sded floppies are
inserted.
Interesting. I think the single-sided drives I've dealt with jus
On 8/12/2015 3:26 PM, Chuck Guzis wrote:
>
> ...and others, such as the Siemens FDD-100 (single sided) will output an
> "illegal medium" signal if double-sded floppies are inserted.
>
> --Chuck
>
Hmmm. I have an FDD-100-8 (single sided). The manual mentions no such
signal and only one index se
On Wed, Aug 12, 2015 at 2:26 PM, Chuck Guzis wrote:
> ...and others, such as the Siemens FDD-100 (single sided) will output an
> "illegal medium" signal if double-sded floppies are inserted.
Interesting. I think the single-sided drives I've dealt with just
never assert READY, because they don't h
On 08/12/2015 01:05 PM, Eric Smith wrote:
Some drives, like the Mitsubishi M2896-63, can be configured to
suppress the READY output if the second side of a single-sided disk
is selected, or to ignore the sidedness of the medium. Mitsubishi
refers to this as "Ready Standard" vs. "Ready Modified"
On Wed, Aug 12, 2015 at 1:36 PM, Chuck Guzis wrote:
> My drives are configured to take either index signal--so it doesn't matter
> if the media is coded as SS or DS. Many floppy drives can do this.
Some 8-inch double-sided drives don't care about which index sensor is
active, other than to outpu
On 08/12/2015 11:12 AM, Jerome H. Fine wrote:
I forgot to mention one item. Since I had VERY few Double Sided
media with the index hole offset that extra 1/2" from the Single Sided
index hole - and I have many RX02 compatible floppy media which
are Single Sided with the index hole in the wrong p
I sent Al a link to my google drive copy of the archives thru 2012.
I am going to create a 2012-2015 manually from my email archive of the
group and add that.
If you send email, i'll send you the link to my google drive public archive.
thanks
Jim
On 8/12/2015 10:36 AM, Noel Chiappa wrote:
>
> If so, I've been hosting an 'un-official' copy of the archives from March '97
> to January '05 here:
>
> http://ana-3.lcs.mit.edu/~jnc/cctalk/
>
The posting email addresses are only slightly disguised and could be harvested
by spammers. Would it be possible to filter them a bit better before
I forgot to mention one item. Since I had VERY few Double Sided
media with the index hole offset that extra 1/2" from the Single Sided
index hole - and I have many RX02 compatible floppy media which
are Single Sided with the index hole in the wrong place for being a
Double Sided media - I added a
> From: Al Kossow
> You can find a discussion about it in the archives (well, actually, you
> can't).
> Which reminds me..
> The archive have never come back to http://www.classiccmp.org/lists.html
Ah, which archives are we speaking of? The CCTalk archives?
If so, I've been h
m and we'll see what the
creators say.
Thanks!
- Josh
-Original Message-
From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Chuck Guzis
Sent: Tuesday, August 11, 2015 7:25 PM
To: gene...@classiccmp.org; Discussion@
Subject: Re: Writing 8" floppies with SuperCard Pr
I forgot to mention one item. Since I had VERY few Double Sided
media with the index hole offset that extra 1/2" from the Single Sided
index hole - and I have many RX02 compatible floppy media which
are Single Sided with the index hole in the wrong place for being a
Double Sided media - I added a
>Josh Dersch wrote:
Here at the museum I'm evaluating the use of a SuperCard Pro
(http://www.cbmstuff.com/proddetail.php?prod=SCP) to archive and duplicate 8"
floppies from various machines. It's not technically supported (the manual states
that it *should* work but has not been tested, etc.
On 8/12/15 6:26 AM, Jay Jaeger wrote:
The correspondent should probably check with the SuperCard Pro folks to
make sure BOTH have been implemented. It is quite possible neither have.
I know Philip ran into this with writing real media with his Diskferret. You
can find a discussion about it i
You and I were thinking of two different things: I was thinking of the
reduced write current on the inside tracks, and you were thinking of
changing the bit timing. On the latter point, I was incorrect.
For reduced write current, all the controller does is to tell the drive
whether or not it is
On Tue, 11 Aug 2015, Jay Jaeger wrote:
Aside from the write pre-comp thing which you seem to have in hand (and
which is generally handled by the *drive*, not the controller, i.e., the
bit timing from the controller does not change, as far as I know), one
Au contraire.
Write precompensation is
On 08/11/2015 05:53 PM, Josh Dersch wrote:
Absolutely no idea -- the manual isn't particularly technical and
the SDK mentions nothing. I'll see if there's anything to be dug up
in this regard. (Thanks also to Eric for suggesting this
problem...)
There should certainly be enough horsepower t
On Wed, 12 Aug 2015, Josh Dersch wrote:
Thus far I've been successful in creating images of floppies, but less
successful in writing them back out. Thus far I've tried a pair of
Shugart 851s and a Qume QumeTrack 842. I'm using a DBit FDADAP
I agreee with Eric and Chuck.
A quick experiment,
Looks interesting - kind of like a catweasel using a USB bus instead of
a PCI bus.
I have only used my catweasel for reading, but in theory it could write
as well.
As for floppy emulators on the drive side, I have an SD HxC Floppy
emulator (www.lotharek.pl) which I am currently using with an Alto
On 8/11/15 5:53 PM, Josh Dersch wrote:
Absolutely no idea -- the manual isn't particularly technical and the SDK
mentions nothing. I'll see if there's anything to be dug up in this regard.
(Thanks also to Eric for suggesting this problem...)
- Josh
You may want to try asking on the supe
-Original Message-
From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Chuck Guzis
Sent: Tuesday, August 11, 2015 5:42 PM
To: gene...@classiccmp.org; Discussion@
Subject: Re: Writing 8" floppies with SuperCard Pro
> On 08/11/2015 05:27 PM, Josh Dersch wrote:
>>
On 08/11/2015 05:27 PM, Josh Dersch wrote:
The issue is that upon reading back a disk that has been written via
the SuperCard, data is fine up until about cylinder 60, at which
point bad sectors start appearing more and more frequently (though
most of the data is still OK). I tried disabling TG
On Tue, Aug 11, 2015 at 6:27 PM, Josh Dersch
wrote:
> The issue is that upon reading back a disk that has been written via the
> SuperCard, data is fine up until about cylinder 60, at which point bad
> sectors start appearing more and more frequently (though most of the data is
> still OK). I
Here at the museum I'm evaluating the use of a SuperCard Pro
(http://www.cbmstuff.com/proddetail.php?prod=SCP) to archive and duplicate 8"
floppies from various machines. It's not technically supported (the manual
states that it *should* work but has not been tested, etc.) The disks I'm
readi
35 matches
Mail list logo
