HAL Communications are still around AFAIK and the ham world is usually pretty
good about documentation etc.; might be worth sending them an inquiry:
http://www.halcomm.com/
Maybe even try to get in touch with Bill Henry:
http://forums.qrz.com/index.php?threads/history-of-hal-devices-and-hal-commu
WD style: no problem with index pulse timing relative to data NEC765
style: index pulse is necessary during LLF, but may need to be
blocked during read/write, although a few of the newest drives may
not be happy without index.
On Sat, 28 Nov 2015, Chuck Guzis wrote:
765/8272 are particularly bad
Anyone have a source to purchase the tape to repair a papertape, or a kit
such as what they have here:
http://physicsmuseum.uq.edu.au/paper-tape-repair-tool
Thanks
--
Bill
On 11/28/2015 4:47 PM, william degnan wrote:
Anyone have a source to purchase the tape to repair a papertape, or a kit
such as what they have here:
http://physicsmuseum.uq.edu.au/paper-tape-repair-tool
Thanks
You could try westnc.com, they used to sell splicing kits.
Bob
--
Vintage computer
> On Nov 28, 2015, at 16:47, william degnan wrote:
>
> Anyone have a source to purchase the tape to repair a papertape, or a kit
> such as what they have here:
>
> http://physicsmuseum.uq.edu.au/paper-tape-repair-tool
I found mine on eBay, probably around a year ago. I searched for a long time
On 11/28/2015 06:57 PM, Fred Cisin wrote:
WD style: no problem with index pulse timing relative to data NEC765
style: index pulse is necessary during LLF, but may need to be
blocked during read/write, although a few of the newest drives may
not be happy without index.
765/8272 are particularly
I'm not sure about that.. I've been trying to find any documentation I can
online about it to understand more about how it works. I got it for $40 in
non-working condition -- turned out it does work. But detailed info seems to
be sparse.
-Original Message-
From: cctalk [mailto:cctalk-
On Sat, 28 Nov 2015, Fred Cisin wrote:
If other errors occur, such as "requested sector header not found", they may
be misinterpreted by the drive
that's "misinterpreted by CONTROLLER"
although some of the fancier newer drives can also have a problem
So, . . .
WD style: no problem with inde
On Sat, 28 Nov 2015, Jerome H. Fine wrote:
it did not cause a problem. The media could be LLF using either
index hole and then read and written using the other index hole.
changing the rotational position of index will not cause a problem with
WD style controllers - they will read along the t
On Nov 28, 2015 9:34 PM, "Brad" wrote:
>
> Just posting here in case anyone not on other forums I'm on sees this and
> knows something about these.
>
>
>
> I picked up a HAL DS-3100 ASR terminal. My understanding is these are
RTTY
> devices intended for teletype/radio use. It is ASCII compatible
Just posting here in case anyone not on other forums I'm on sees this and
knows something about these.
I picked up a HAL DS-3100 ASR terminal. My understanding is these are RTTY
devices intended for teletype/radio use. It is ASCII compatible and in fact
I can select ASCII and baud rates from
>Johnny Billquist wrote:
>On 2015-11-27 19:34, Mark J. Blair wrote:
>On Nov 26, 2015, at 04:29, Jerome H. Fine
wrote:
After that worked successfully, I became disappointed
that I had to deface the floppy media with the extra holes. The
simple solution was to use a DPDT switch and flip the
>Mouse wrote:
Love that term, "bounce buffer" (I wrote a whole package to support
them in a packet switch I did) - I'm officially adopting it, right
now! :-)
Hey - anything that anyone writes is automatically copyrighted.
I realize you...may have been less than entirely serious. But what yo
>> Love that term, "bounce buffer" (I wrote a whole package to support
>> them in a packet switch I did) - I'm officially adopting it, right
>> now! :-)
> Hey - anything that anyone writes is automatically copyrighted.
I realize you...may have been less than entirely serious. But what you
wrote
>Noel Chiappa wrote:
> From: Jerome H. Fine
> both DEC and DSD needed a bounce buffer managed by software
Love that term, "bounce buffer" (I wrote a whole package to support them in a
packet switch I did) - I'm officially adopting it, right now! :-)
Noel
Hey - anything that
> -Original Message-
> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of rod
> Sent: 28 November 2015 22:25
> To: General Discussion: On-Topic and Off-Topic Posts
> Subject: Re: A stored collection piece is a Schrodinger's cat
>
> Hi
> I had the exact same fault on my
On 2015-11-28 5:24 PM, rod wrote:
Hi
I had the exact same fault on my VAX.
I took one look at the PSU and ordered up another one pronto.
Trouble shoot in that small space no thank you.
It works just fine. One day a VAX PSU guru will tell us how to fix it.
Indeed, one day we will have the
Hi
I had the exact same fault on my VAX.
I took one look at the PSU and ordered up another one pronto.
Trouble shoot in that small space no thank you.
It works just fine. One day a VAX PSU guru will tell us how to fix it.
Rod Smallwood
On 28/11/15 21:09, Robert Jarratt wrote:
-Ori
Hi all --
I inherited a PDP-8/m awhile back. Actually, I inherited a mostly empty
chassis, which I've been slowly populating. I now have everything I
need for a working CPU except for an M8320. Anyone have one going spare
for something less than eBay prices (or for trade)?
While I'm wishi
> -Original Message-
> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Terry
> Stewart
> Sent: 28 November 2015 20:05
> To: General Discussion: On-Topic and Off-Topic Posts
> Subject: Re: A stored collection piece is a Schrodinger's cat
>
> >I see a big problem with this
Marco Rauhut wrote:
That solved my IVP not a workstation problem... Thanks!
But now while testing ivp told me can`t open Display.
If i start the Vaxstation in the boot system i can use the hole Monitor.
But when VMS started there only 25 usable lines left on Monitor.
What i have done is that
>I see a big problem with this flowchart, the path on the far right does
not exist, please delete it and then the flowchart will be believable.
..
>I do think there are not nearly enough arrows pointing upwards
LOL Rob, Mark.
>Today it's all going to come together and hopefully the outcome will b
That solved my IVP not a workstation problem... Thanks!
But now while testing ivp told me can`t open Display.
If i start the Vaxstation in the boot system i can use the hole Monitor.
But when VMS started there only 25 usable lines left on Monitor.
What i have done is that i have installed VMS w
[H745 regulator]
> Tough-sh to physically work on/test. These are not made for field service
> IMHO, just swap out part.
If you make up the extension lead so you can run it outside the PSU chassis
then
it is very easy to work on. The PCB is exposed on one side of the brick and as
I said it's a
On 27/11/2015 19:38, "Terry Stewart" wrote:
> This self-satirizing flow diagram reflecting my experiences testing
> computers in my collection may (or may not) amuse some on this forum. I'm
> sure at least some can relate to the scenarios though...
> http://www.classic-computers.org.nz/blog/2015
Oh a paper organ. they are quite common in The Netherlands, although the
tunes they play are mostly horrible. the books as they call them are
suited to a specific machine and sometimes wider or smaller.
the predate computers at least 80 years.
On 27-11-15 16:14, Liam Proven wrote:
On 27 Novem
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