Re: DEC H7104-D power supply tips?

tisdag 15 mars 2016 skrev Josh Dersch : > Hi all -- > > My call for a VAX-11/750 a month or so ago actually bore some fruit > (locally, even!) and as of a couple of weeks ago, I now have a very nicely > configured 11/750 system taking up most of the basement. The previous >

Re: Type 270 disk file on PDP-6

On Mon, Mar 14, 2016 at 1:05 PM, Rich Alderson wrote: > Device codes were assigned sequentially, Though assigned sequentially within groups with a different leading digit, i.e., 0XX, 1XX, 2XX, and 3XX, and (later) some PDP-10 peripherals assigned in 4XX. > and

DEC H7104-D power supply tips?

Hi all -- My call for a VAX-11/750 a month or so ago actually bore some fruit (locally, even!) and as of a couple of weeks ago, I now have a very nicely configured 11/750 system taking up most of the basement. The previous owner got it after it was retired from a local(ish) university in

Re: VMS/RSTS/RSX manuals available, SOC, DECdirect books, Newmarket UK

> > On 14 March 2016 at 11:50 Adrian Graham wrote: > Hi Dave, > > The RSX ones are the orange ones in the picture, I count 11 RSTS and the > rest are VMS5. > The bottom row (and maybe the one above) look like they might not be VMS, but I can't make

RE: Type 270 disk file on PDP-6

From: Eric Smith Sent: Saturday, March 12, 2016 8:52 PM > I just was looking at the I/O device code assignments in the 1973 > DECsystem-10 System Reference Manual, and happened to notice the entry > for the Type 270 disk file used on the PDP-6. > PDP-6 and PDP-10 device codes are three octal

Re: Honneywell multics? from panels. the inline phots in this message folks -smecc

On Mon, Mar 14, 2016 at 10:38 AM, Mouse wrote: > > Now that 64-bit address space is becoming common, eight megs of RAM is > ignorably small, and multi-level page tables are common, this looks a > lot less impossible. I've been tempted to build something of the >

RE: DEC RK05 Emergency Retract Batteries

> It's now foggy memory, but I'm pretty sure HP 7900A (and 7901) were using > batteries for emergency head retract. The 7900 certainly does (there is one to go on my bench when I have some spare time). In that case it's some AA-size NiCds (not tagged ones) in those aluminium clip-in holders

RE: DEC RK05 Emergency Retract Batteries

Paul wrote - Interesting that they used a battery; I thought the usual mechanism was a large capacitor, I hadn't seen batteries used for this. - It's now foggy memory, but I'm pretty sure HP 7900A (and 7901) were using batteries for emergency head retract. The later 7905/7906 - caps.

Re: Honneywell multics? from panels. the inline phots in this message folks -smecc

> There is one axis along which I concede that things have advanced > since Multics, which is away from monolithic kernels - Whether that is an advance or a regression depends on your priorities. I see good arguments each way. > But the complete structing of the system around a segmented, >

Re: DEC RK05 Emergency Retract Batteries

On Mon, 14 Mar 2016, Doug Ingraham wrote: The only difference in NiMH and NiCd charging schemes occurs when rapid charging them. When rapid charging both types would use a DV/DT technique coupled with a temperature sensor. The DV/DT is much smaller for NiMH than NiCd. So if they went to the

RE: VMS/RSTS/RSX manuals available, SOC, DECdirect books, Newmarket UK

That’s a lot of manuals. I am OK with scanning them, but then they would have to go. Dave > -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Robert > Jarratt > Sent: 14 March 2016 16:22 > To: 'General Discussion: On-Topic and Off-Topic Posts' >

RE: VMS/RSTS/RSX manuals available, SOC, DECdirect books, Newmarket UK

The picture is just a bit too fuzzy for me to work out how many shelf-feet the RSTS and RSX manuals take up. Regards Rob > -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Adrian > Graham > Sent: 14 March 2016 11:51 > To: General Discussion:

Re: A gold mine for anybody in Austin...

On Sun, 13 Mar 2016 18:50:56 -0500, James Vess wrote: Probably true, but it's a weekend and I have time to deal with it so we will just see how it goes, I have some hope but low expectations. I've communicated with him in the past. He seems like a nice enough

Re: Which RT-11 for an 11/03

> Congratulations!! Thanks! > Now that you have a working system, will it be used to run any specific > programs? Based on your descriptions, the most important aspect of > the project was to get the H-11 system to run RT-11. What I am very > curious about is what do you will do

Re: VMS/RSTS/RSX manuals available, SOC, DECdirect books, Newmarket UK

On 3/14/2016 10:26 AM, Paul Koning wrote: On Mar 14, 2016, at 6:12 AM, Adrian Graham wrote: Morning folks, Here's a pic of the bookshelves: http://f0p.co.uk/greyWall.jpg Apologies if it's landscape but it looks ok FastStone image viewer and firefox off my

Re: Which RT-11 for an 11/03

>Richard Cini wrote: All — To close this out, I want to report that with Malcolm’s and Mattis’ help, I was able to get RT-11 v4 and v5.03 running on the H-11 using the TU58 emulator. Avoiding the gory details, the upshot is that there was a bus interrupt issue relating to how the

Re: DEC RK05 Emergency Retract Batteries

On Sun, Mar 13, 2016 at 9:41 AM, Rick Bensene wrote: > Michael Thompson wrote: > > > > The NiCad batteries for emergency head retract are toast. These look like > > standard 1.2V 2/3AA 400mAh cells. It looks like some cordless phones use > the > > same batteries so I can buy

Re: VMS/RSTS/RSX manuals available, SOC, DECdirect books, Newmarket UK

> On Mar 14, 2016, at 6:12 AM, Adrian Graham > wrote: > > Morning folks, > > Here's a pic of the bookshelves: http://f0p.co.uk/greyWall.jpg > > Apologies if it's landscape but it looks ok FastStone image viewer and > firefox off my webserver. > > VMS manuals

Re: Mainframe floating point math implementation.

> On Mar 13, 2016, at 4:39 PM, Charles Anthony > wrote: > > The Multics distribution includes ISOLTS, a surprisingly complete and > pedantic processor test program. > > It is unhappy with our emulated floating point. > > This should be the floating point used by

Re: Honneywell multics? from panels. the inline phots in this message folks -smecc

> From: Charles Anthony > I get bloody impressed just watching it on the emulator; doing it in a > production environment must have been spectacular. Even though I never did do any programming on Multics myself (I had an account on the MIT system, and logged in a bit), I still feel

Re: VMS/RSTS/RSX manuals available, SOC, DECdirect books, Newmarket UK

On 14 March 2016 at 11:40, Dave Wade wrote: > Adrian, > What is the split? So how many VMS, how many RSX? > Hi Dave, The RSX ones are the orange ones in the picture, I count 11 RSTS and the rest are VMS5. -- adrian/witchy Owner of Binary Dinosaurs, the UK's biggest

RE: VMS/RSTS/RSX manuals available, SOC, DECdirect books, Newmarket UK

Adrian, What is the split? So how many VMS, how many RSX? Dave > -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Adrian > Graham > Sent: 14 March 2016 10:13 > To: General Discussion: On-Topic and Off-Topic Posts > > Subject:

Fwd: VMS/RSTS/RSX manuals available, SOC, DECdirect books, Newmarket UK

Morning folks, Here's a pic of the bookshelves: http://f0p.co.uk/greyWall.jpg Apologies if it's landscape but it looks ok FastStone image viewer and firefox off my webserver. VMS manuals are V5.0, RSTS is V10 (1990) and there's 3 RSX-11M V4 as well as RSX DECNET. Cheers Adrian --

Re: Dumping Images of my VAX-11/730's Drives?

Well, I've had partial success in imaging the disks of my VAX-11/730. The RL02 packs transferred just fine to a VM running an older Linux distribution with DECnet support, but the R80 drive copy aborted with a parity error. Details and pictures are on my blog:

Re: where I've landed

No doubt, dude. Can anyone go to take a lunch? Sergio. 2016-03-14 6:43 GMT+01:00 CuriousMarc : > Awesome! > Marc > > -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Ian S. > King > Sent: Thursday, March 10, 2016 6:08 PM > To:

Re: where I've landed

With luck like that I think you shoud start doing the lottery~~ On 14/03/2016 05:43, CuriousMarc wrote: Awesome! Marc -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Ian S. King Sent: Thursday, March 10, 2016 6:08 PM To: General Discussion: On-Topic

Re: Giving away Garage full of computers

I just saw this, We're still working on getting the equipment from the guy. So far folks haven't really casted their requests due to the concern about equipment pickup so I may make a quick site to do first-come-first-serve or something once we have all the equip and can review it. I'm not sure

Re: Giving away Garage full of computers

Have you gotten any takers yet? I have a special soft spot for those Printros. mcl