Re: HP-01 calc watch go withs - brochures, t- shirts, booklets, ad copy who else collecting?

2019-05-20 Thread Curious Marc via cctalk
Nomarski microscopy, Ed. Differential phase contrast microscopy. Makes very small height differences (partial wavelength) on mostly planar objects pop out, and creates amazing color effects as a biproduct. Pretty much a stalwart of any good cleanroom microscope. Every manufacturer offers it,

Re: Pleas ID this IBM system....

2019-05-20 Thread Curious Marc via cctalk
Fantastic. It fell into the right hands. Marc And so the story continues https://ibms360.co.uk/

OT: (was: Re: Things to do in Australia & New Zealand?)

2019-05-20 Thread Tapley, Mark via cctalk
> On May 20, 2019, at 7:12 PM, Guy Dunphy via cctalk > wrote: > >> Subject: Things to do in Australia & New Zealand? >> From: Patrick Finnegan > >> I'm going to be in Australia and then New Zealand for most of June, and was >> wondering if there was anything interesting classic computer wise

Re: Pleas ID this IBM system....

2019-05-20 Thread Al Kossow via cctalk
On 5/20/19 1:30 PM, Lawrence Wilkinson via cctalk wrote: > As Adam isn't on the list, and I am one of those in that photograph... >From the pictures, it looks like the packs were left in the drives. You should >pull them and lock down the actuator arm before moving them any further.

Re: Pleas ID this IBM system....

2019-05-20 Thread Adrian Stoness via cctalk
had to crawl 300feet under raised floor cause it was carpeted runing 48pair fiber line took a good hour and half to get it over to the room with the rack in it from the building raise On Mon, May 20, 2019 at 4:25 PM Chuck Guzis via cctalk < cctalk@classiccmp.org> wrote: > On 5/20/19 2:04 PM,

RE: Things to do in Australia & New Zealand?

2019-05-20 Thread Guy Dunphy via cctalk
>Subject: Things to do in Australia & New Zealand? >From: Patrick Finnegan >I'm going to be in Australia and then New Zealand for most of June, and was >wondering if there was anything interesting classic computer wise to visit? >I'm planning on being in Sydney for the Australia half of the trip,

RE: Things to do in Australia & New Zealand?

2019-05-20 Thread Rob Jarratt via cctalk
Lookup Max Burnet in Sydney, well worth a visit. Regards Rob > -Original Message- > From: cctalk On Behalf Of Patrick Finnegan > via cctalk > Sent: 20 May 2019 21:41 > To: General Discussion: On-Topic and Off-Topic Posts > > Subject: Things to do in Australia & New Zealand? > > I'm

Re: Pleas ID this IBM system....

2019-05-20 Thread Paul Koning via cctalk
> On May 20, 2019, at 5:21 PM, Patrick Finnegan via cctalk > wrote: > > On Mon, May 20, 2019 at 5:07 PM William Donzelli via cctalk < > cctalk@classiccmp.org> wrote: > >>> I'm used to 2' (24") raised floors. >> >> I was used to 24 inch floors packed with so many dead cables they were >>

RE: Pleas ID this IBM system....

2019-05-20 Thread Dave Wade via cctalk
> -Original Message- > From: cctalk On Behalf Of Grant Taylor via > cctalk > Sent: 20 May 2019 22:00 > To: cctalk@classiccmp.org > Subject: Re: Pleas ID this IBM system > > On 5/20/19 10:10 AM, William Donzelli via cctalk wrote: > > I cannot imagine (how) difficult it would be to

Re: Pleas ID this IBM system....

2019-05-20 Thread Chuck Guzis via cctalk
On 5/20/19 2:04 PM, Adrian Stoness via cctalk wrote: > try crawling under them You'd only upset the mice and the cockroaches. I recall that back in the day at CDC SVLOPS, the local CEs made a pet of one of the sub-floor mice. Field crickets were a problem back then too--the moment that the

Re: Pleas ID this IBM system....

2019-05-20 Thread Patrick Finnegan via cctalk
On Mon, May 20, 2019 at 5:07 PM William Donzelli via cctalk < cctalk@classiccmp.org> wrote: > > I'm used to 2' (24") raised floors. > > I was used to 24 inch floors packed with so many dead cables they were > effectively 6 to 12 inch floors. Or worse. > This gets at exactly the reason I dislike

Looking for my old ADM-3A

2019-05-20 Thread Charles via cctalk
I used to have an ADM-3A Dumb Terminal... fixed it up, and made my own lower-case ROM from a 2716 EPROM and a lot of small wires. Sold it around 2005 or so, but can't remember who bought it. Anyway I'd like to buy it back if the current owner is out there and isn't using it :) Thanks Charles

Re: M7264 Troubleshooting

2019-05-20 Thread Mister PDP via cctalk
> Can you check that BHALT on the QBUS is actually asserted (i.e. 0V) when the switch is in HALT? I checked the BHALT signal going into the backplane, and it seems to be in good working order. I took a picture of the readouts for SRUN, which you can see here:

Re: Pleas ID this IBM system....

2019-05-20 Thread William Donzelli via cctalk
> I'm used to 2' (24") raised floors. I was used to 24 inch floors packed with so many dead cables they were effectively 6 to 12 inch floors. Or worse. -- Will

Re: Pleas ID this IBM system....

2019-05-20 Thread Adrian Stoness via cctalk
try crawling under them On Mon, May 20, 2019 at 4:03 PM Grant Taylor via cctalk < cctalk@classiccmp.org> wrote: > On 5/20/19 10:40 AM, Patrick Finnegan via cctalk wrote: > > An acceptable compromise is something like the 6 ft raised floor they > > have over at NCSA. > > I've often wondered why

Re: Pleas ID this IBM system....

2019-05-20 Thread Grant Taylor via cctalk
On 5/20/19 10:40 AM, Patrick Finnegan via cctalk wrote: An acceptable compromise is something like the 6 ft raised floor they have over at NCSA. I've often wondered why more people don't do raised floors high enough to walk under. I guess they are trying to put it in one room and not have

Re: Pleas ID this IBM system....

2019-05-20 Thread Grant Taylor via cctalk
On 5/20/19 10:10 AM, William Donzelli via cctalk wrote: I cannot imagine (how) difficult it would be to run S/360 era cables in overhead trays. Many are an inch or more in diameter. I think it would be quite annoying to get cables from floor level up to the overhead cable trays. Especially

Things to do in Australia & New Zealand?

2019-05-20 Thread Patrick Finnegan via cctalk
I'm going to be in Australia and then New Zealand for most of June, and was wondering if there was anything interesting classic computer wise to visit? I'm planning on being in Sydney for the Australia half of the trip, and haven't made many plans for New Zealand yet besides flying in/out of

Re: Pleas ID this IBM system....

2019-05-20 Thread Lawrence Wilkinson via cctalk
On 20/05/2019 18:42, Chuck Guzis via cctalk wrote: The model 20 installations that I played with were mostly to supplant unit-record gear, which typically did not use a raised floor configuration. Mostly the CPU, card mulcher, printer and perhaps a 2311. The installation auctioned off is one

Available: Wang 370 book

2019-05-20 Thread Anders Sandahl via cctalk
Hi, I got a stash of documentation yesterday. Found a book "WANG 370 calculating system, program library volume 1" which I don't have any use for. Looks to be almost unread, it has become a bit yellow and it has a small sticker on the front page. Printed in 1968. Is there anybody that want's it

Re: Pleas ID this IBM system....

2019-05-20 Thread Chuck Guzis via cctalk
The model 20 installations that I played with were mostly to supplant unit-record gear, which typically did not use a raised floor configuration. Mostly the CPU, card mulcher, printer and perhaps a 2311. The installation auctioned off is one of the larger Model 20 setups that I've seen. --Chuck

Re: HP-01 calc watch go withs - brochures, t- shirts, booklets, ad copy who else collecting?

2019-05-20 Thread ED SHARPE via cctalk
should  say  Francion Yamamotto   not  Yrancion Yamamotto  In a message dated 5/20/2019 10:07:04 AM US Mountain Standard Time, couryho...@aol.com writes: Since  we  have  nice  microscopes at  the museum  project  we  were  hired  to  photo  some IC  innards  years  back. This  ended  up 

Re: HP-01 calc watch go withs - brochures, t- shirts, booklets, ad copy who else collecting?

2019-05-20 Thread ED SHARPE via cctalk
Since  we  have  nice  microscopes at  the museum  project  we  were  hired  to  photo  some IC  innards  years  back. This  ended  up  becoming  a minor obsession  for  a short  time  as  the  artwork under  various  illuminations  is  fantastic.   One of the things  that  seemed  to show

Re: Pleas ID this IBM system....

2019-05-20 Thread Adrian Stoness via cctalk
anyone figured out what these were being used for in that building? On Mon, May 20, 2019 at 11:11 AM William Donzelli via cctalk < cctalk@classiccmp.org> wrote: > > I guess it would look right for the era, but I'd never build a data > center > > with raised flooring after my experiences with

Re: M7264 Troubleshooting

2019-05-20 Thread Noel Chiappa via cctalk
> From: Mister PDP > After a day of confusing and mixed up signals (I don't really use > this type of equipment very often) .. I switched over to the > oscilloscope Don't feel bad, I too prefer to rely on an oscilloscope by default; not only does it let you see what's really

Re: Pleas ID this IBM system....

2019-05-20 Thread Patrick Finnegan via cctalk
On Mon, May 20, 2019 at 12:11 PM William Donzelli wrote: > > I guess it would look right for the era, but I'd never build a data > center > > with raised flooring after my experiences with them. It's such a pain to > > work with compared to a sealed concrete floor and overhead cable trays. > >

Re: Pleas ID this IBM system....

2019-05-20 Thread William Donzelli via cctalk
> I guess it would look right for the era, but I'd never build a data center > with raised flooring after my experiences with them. It's such a pain to > work with compared to a sealed concrete floor and overhead cable trays. But with a raised floor, you can whack the tile puller down in such a

Re: HP-01 calc watch go withs - brochures, t- shirts, booklets, ad copy who else collecting?

2019-05-20 Thread Eric Smith via cctalk
Only just within the last month I finally obtained a ROM dump from a production HP-01, for potential use in my Nonpareil simulator. Previously I only had the preproduction code listed in a US patent. I'm not sure when I'll have time to actually work on the simulation, though. My original plan had

Re: Pleas ID this IBM system....

2019-05-20 Thread Patrick Finnegan via cctalk
On Mon, May 20, 2019 at 10:39 AM Noel Chiappa via cctalk < cctalk@classiccmp.org> wrote: > They should have tried to get the raised floor too (I guess it wasn't > included in the sale), since i) it'll be useful if they try and get the > machine up and running, and ii) it'll probably just get

Re: Pleas ID this IBM system....

2019-05-20 Thread Noel Chiappa via cctalk
> From: Jos Dreesen > And so the story continues > https://ibms360.co.uk/ Wow, what a great recover, and a great site documenting it! Renting temporary local storage was a great idea; it would have been hard to get all that out of there on schedule any other way. (Alas, I don't

Re: M7264 Troubleshooting

2019-05-20 Thread Mister PDP via cctalk
Alright, I hooked the oscilloscope up to SRUN off of E68, and found that it oscillates low at 58.68KHz. This oscillation is very short lived, with it bouncing back up to high nearly instantly. Hitting the Run/Halt switch does not have any effect on the period or amplitude of the oscillation. On

VT420 terminal screen

2019-05-20 Thread Peter Allan via cctalk
I have a DEC VT420 terminal which works pretty well. However, I am concerned that sometimes the characters on the screen seem to get torn sideways and jump around a little on a timescale of less than one second. My guess is that there is some issue with the power supply, but that is just a guess.

Re: M7264 Troubleshooting

2019-05-20 Thread Brent Hilpert via cctalk
On 2019-May-20, at 12:11 AM, Glen Slick via cctalk wrote: > On Sun, May 19, 2019 at 11:48 PM Brent Hilpert via cctalk > wrote: >> >> Except the SRUN (K8 SRUN L) action is not latched, so it probably appears as >> an >> active-low heartbeat pulse with some periodicity when the processor is in

Re: M7264 Troubleshooting

2019-05-20 Thread Glen Slick via cctalk
On Sun, May 19, 2019 at 11:48 PM Brent Hilpert via cctalk wrote: > > Except the SRUN (K8 SRUN L) action is not latched, so it probably appears as > an > active-low heartbeat pulse with some periodicity when the processor is in run > mode. > A low-going pulse during PH 3 every instruction cycle

Re: Pleas ID this IBM system....

2019-05-20 Thread jos via cctalk
On 06.04.19 16:04, jos via cctalk wrote: The seller clearly has no idea, but the starting price is right ! https://www.ebay.de/itm/seltene-Anlage-Puma-Computer-IBM-2020/202646831828?hash=item2f2eb142d4:g:izoAAOSwhV1cpw Jos And so the story continues https://ibms360.co.uk/

Re: M7264 Troubleshooting

2019-05-20 Thread Brent Hilpert via cctalk
On 2019-May-19, at 9:09 PM, Glen Slick via cctalk wrote: > On Sun, May 19, 2019 at 8:05 PM Mister PDP via cctalk > wrote: >> >> After that, I decided to try and find out why the >> Run/Halt light was not coming on when I hit the switch. Looking at the H11 >> schematics, the light relies on the