David,
I picked up about three dozen sealed boxes this weekend,
Verbatim Datalife 5.25" DSDD.
How many do you need?
Regards,
Dan
www.decodesystems.com
At 11:37 PM 10/27/07, you wrote:
>Someone here posted about a friend in Canada who has boxes upon boxes of
>unopened blank DSDD 5.25" floppies. Who was that? I think I deleted the
>relevant emails (or at least grep is failing me).
>
>--
>David Griffith
>dgriffi at cs.csubak.edu
>
>A: Because it fouls the order in which people normally read text.
>Q: Why is top-posting such a bad thing?
>A: Top-posting.
>Q: What is the most annoying thing in e-mail?
I'm setting up an old system with a 380MB Maxtor (Miniscribe) ESDI
drive and I have two ESDI controllers. One is a DTC 6280, the other,
a DTC 6282. Which one is the preferable one? The 6280 is about a
2/3 length ISA card and the 6282 is about 1/2 length. Date codes are
about a year apart (90 vs. 91) with the 6280 being the older one.
For the life of me, I just can't remember which one I liked better.
I do recall that it's possible to hang 4 floppies on the same cable
off of either and that the FDC part handles FM very nicely.
Thanks,
Chuck
I have a Laser 512XT I picked up at TCF a couple of years ago...
The guy didn't have a power supply for it, and had jury rigged something
with an XT Supply.
Does anyone have or know where I can get a power supply for this
venerable beast?
I used one when I worked for Program STEPPE porting the Apple II version
of FACTS+ over to the PC, and it would be fun to boot one up again and play.
Thanks!!!
Al
Phila, PA
From: Jan-Benedict Glaw <jbglaw at lug-owl.de>
Subject: Re: An old dream come true: Iris Indigo!
> Irix 5.4 is IIRC the last version running on the Indigo. ... If memory
> serves me correctly, there was also a Plan9 port at some time, but I
> won't bet on it to still work
The Plan9 open source release omits the SGI IP22 stuff, sadly.
From: Richard <legalize at xmission.com>
Subject: Re: An old dream come true: Iris Indigo!
> The Crimson and Octane are much later in the product line than the
> Indigo. The Indigo is after the Personal Iris but before the Indigo^2
> or Indy.
The Crimson, technologically speaking, is contemporary to the R3k
Indigo. The Crimson used the same (slow) bus as 80s SGIs, but had their
top-end CPU in it. It was an upgrade path for existing SGI customers.
If I recall correctly, the only way to get an R4k CPU with the old IRIS
GL graphics boardsets. (VGX and friends.)
While the first-generation (R3k) Indigo was similar to the old PI
systems, the second-generation (R4k) Indigo guts were extraordinarily
similar to the Indy. Nothing in them is common to the R3k Indigo. I
expect they only used the old non-PS/2 keyboards to avoid confusion.
Turns out to be mostly Sun, but a bunch of other stuff as well. Much
test equipment (list to follow when I decide what I want to keep), and
assorted VME Sun boards (Sun-3 and Sun-4).
There's also many boards for a (can't remember the name, it starts with
"T" and is the ultra-high-reliability system that runs 2 or 4
processors in parallel. Think it's PA-RISC, but can't recall for sure).
I don't have them, but can pick them up tomorrow if anyones interested.
>
> It also uses the same GIO bus as the R3K, different from the Indy's one.
> My point is that the CPU is only one part, of several. To say that
> makes the R4K Indigo like an Indy is like saying an R5K Indy is like an
> O2 :-) It's a question of emphasis, I suppose.
>
Yes, there's lots more than the CPU. The Indy and Indigo R4k share a
lot more than just a CPU. To build on your example, the Indigo R4k,
Indy R4k, and Indy R5k all have gio32bis slots. The Indigo R3k supports
only gio32. The O2 supports neither. :)
Date: Tue, 30 Oct 2007 04:57:19 -0400
From: M H Stein <dm561 at torfree.net>
Subject: WTB/WTT S-100 Chassis (UK/Europe only)
------------Reply:
I have several IMI 20MB (and 5MB) drives, but they're also on the wrong side
of the Atlantic (Toronto). Also, I'm not sure at this point how many are
still
working reliably or how many I can spare (if any). I have scrapped a few
though,
so if you happen to find an ST-412/506 version (they were used in some PCs)
I could probably send you the PCBs to convert it.
Why not just build a nice custom case & PS?
mike
------------------------------
Hi Mike, glad to see they are still around to be had. Shipping a 20Mb IMI
wouldn't be as bad as shipping a Z2D lol Nice tip on the PC drives although
I believe I have only ever seen Seagate, Rodime, Micropolis, IBM etc. but
I'll look more carefully from now on. Please keep me in mind, though, as
soon as I have a chassis of some sort organised I'll want to run up the
WDI-II (was a working pull from my old CS1-H, no longer with me, along with
the DPU , 16-FDC and 256KZ) and get Cromix back on the go.
Jim
> From: ard at p850ug1.demon.co.uk> > > Has anyone made any kind of jig to physically punch holes? I am> > thinking about destroying a somewhat damaged disk drive to get enough> > parts to build a jig but wasn't sure what kind of mechanical accuracy I> > need to get the hole position jitter within spec. I saw, somewhere out> > on the web, a persons description of hand punching the holes so I can't> > imagine the tolerance is too tight.> > I'd thought of doing much the same thing. Probably raid an ex-PC 1/2 > height drive. Remove just about everything. put a punch and die in place > of the index sensor, and a disk with 11 notches suitably-spaced in place > of the pulley/rotor on the bottom of the spindle. THen provide some kind > of detent for that.> ---snip---
Hi
I've made just such a jig. I started with the frame of a SA400
that I picked up scrap. I then made two blocks of aluminum
that would mount where the index hole was.
I remove them both and mounted a disk in the flame.
I then positioned it on the table of a drill press. I aligned
the drill through the index hole where the two blocks would
mount. I then clamped the frame to the drill press table.
I then removed the disk and mounted the two blocks.
I drilled the blocks at the aligned hole.
I used a #93 drill. This seems to be close enough.
I made a punch with the shank of the drill bit by
grinding a groove across the end, leaving two sharp
blades, like most punches have.
I used drilled detents on the flywheel, using a 10 hard sectored
disk to index with.
I've not made the mechanical detent yet but will do that
eventually. Right now I just have a visual pointer that
I visually align with the hole.
Another way would be to find a gear with teeth divisible
by 20 ( 20, 40 or 60 would work ). One could the mount
it to the flywheel and use it as a better detent.
It is a slow way to make disk but works well enough.
If one is concerned about how well the spacing is,
a few minutes with an oscilloscope and a drive should
be able to determine the quality of the hole positions.
Dwight
_________________________________________________________________
Peek-a-boo FREE Tricks & Treats for You!
http://www.reallivemoms.com?ocid=TXT_TAGHM&loc=us
Chuck, not sure what these are, but they are from an AT mother board. has only 2 roms
at u27 and u47. u17 and u37 are empty. The rest of the AT's would have to be dug out.
- Jerry
Jerry Wright
JLC inc
g-wright at att.net
-------------- Original message from "Chuck Guzis" <cclist at sydex.com>: --------------
> Does anyone happen to have the BIOS image from an IBM PC AT (with
> BASIC) rattling around that they could email to me? It'd save me a
> considerable amount of time digging through my own very dusty
> archives to locate a copy.
>
> Just the image read from memory is fine--I can odd-even it here for
> burning.
>
> Thanks,
> Chuck
>
...that can do me for a favor?
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