22 Aug
2001
22 Aug
'01
4:27 p.m.
On Aug 22, 9:18, Fred Cisin (XenoSoft) wrote:
BASF also made a 2/3 height floppy (could get 3 into a
double bay). It
was the first 5.25" drive smaller than "full height" that I saw. It also
was the first one that I saw that had a D.O.A. failure rate of more than
50%. The door on it was not very obvious - you push on the door and then
let it pop open. I recommend pushing on that door with a very large
mallet.
I remember those -- the RML380Z used them. Canon also made a 2/3 drive --
a 40/80 switchable, and a rather better device than the BASF. I've got one
here, with some extra switches so it can emulate the peculiarities of an
RX50.
--
Pete Peter Turnbull
Network Manager
University of York
22 Aug
22 Aug
7:24 p.m.
On Wed, 22 Aug 2001, Pete Turnbull wrote:
I remember those -- the RML380Z used them. Canon also
made a 2/3 drive --
a 40/80 switchable, and a rather better device than the BASF. I've got one
here, with some extra switches so it can emulate the peculiarities of an
RX50.
Pete, were those the ones that also had a `touch latch' door on them?
Some of the Otrona Attache's used such drives, but I had no idea that
they were 40/80 switchable! Do you have any jumper information for
them? I think that I still have a half dozen buried around here
somewhere.
- don
--
Pete Peter Turnbull
Network Manager
University of York
7:33 p.m.
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23 Aug
23 Aug
12:28 p.m.
New subject: 2/3 drives (was: TRS80 help needed
On Wed, 22 Aug 2001, Pete Turnbull wrote:
I remember those -- the RML380Z used them. Canon also
made a 2/3 drive --
a 40/80 switchable, and a rather better device than the BASF. I've got one
here, with some extra switches so it can emulate the peculiarities of an
RX50.
What I like was the double drive that Canon made in a 2/3 factor. 2/3 the
height of a "regular" drive, but with 2 slots. (Maybe I'll sell it at
VCF) They made several variants of it, including models that had two
stepper motors, and ones with one stepper (both drives are on the same
track).
Quick simple puzzle: why would a drive that steps both disks at the same
time be significantly SLOWER when DISKCOPY'ing a disk than using separate
drives?
Hint: MUCH faster when copying if you write software specifically for it.
--
Grumpy Ol' Fred cisin(a)xenosoft.com
1:10 p.m.
New subject: SWP ATR8000 with hard drive upgrade....
Hi...
Looking for anyone who may have an SWP ATR8000 CP/M Z80 System/Atari
peripheral interface. I'm looking anyone who may have a unit that has the BJL
or any other type of hard drive interface upgrade on it that allowed the use of
MFM and SASI/SCSI hard drives, thanks.
BTW, if anyone needs it, I have all of the co-power-88 IBM compatibility software
for the ATR8000 with a co-power-88 upgrade installed, if anyone needs copies, let
me know.
Curt
5:27 p.m.
New subject: 2/3 drives (was: TRS80 help needed
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ard＠p850ug1.demon.co.uk -
cisin＠xenosoft.com -
curt＠atari-history.com -
donm＠cts.com -
pete＠dunnington.u-net.com