DECstation 220/Olivetti M250E Documentation

I have a DECstation 220 (an Olivetti M250E under the covers) that needs repair. I have a pocket service guide, but I have not found any other documentation. Is there any? Thanks Rob

RE: VGA Error Code from DECpc AXP 150 (Jensen)

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Robert > Jarratt > Sent: 22 May 2016 17:02 > To: 'General Discussion: On-Topic and Off-Topic Posts' > <cctalk@classiccmp.org> > Subject: RE: VGA Error Code from DECpc AXP

RE: VGA Error Code from DECpc AXP 150 (Jensen)

I think I have found the problem, when I took the card out to change its slot, I found there were some corroded pins on one of the chips (looks like memory). It looks like battery leakage damage, but the odd thing is that it is nowhere near a battery. Cleaning it up now to see if that will fix it.

RE: VGA Error Code from DECpc AXP 150 (Jensen)

(Jensen) > > On 22/05/2016 11:51, "Robert Jarratt" <robert.jarr...@ntlworld.com> wrote: > > >> I can't remember what VGA card was in a Jensen, Compaq Qvision? > > > > > > Yes, that is correct. > > EISA card, yay. > > > Already

RE: VGA Error Code from DECpc AXP 150 (Jensen)

(Jensen) > > On 22/05/2016 08:58, "Robert Jarratt" <robert.jarr...@ntlworld.com> wrote: > > > I am hoping to install Windows NT 3.1 on my Jensen. Unfortunately I am > > getting an error code relating to VGA. The tech docs I have make no > > mention of th

VGA Error Code from DECpc AXP 150 (Jensen)

I am hoping to install Windows NT 3.1 on my Jensen. Unfortunately I am getting an error code relating to VGA. The tech docs I have make no mention of this code, anyone know what it means: VGA ?? 06 0020 Regards Rob

RE: The RSTS riddle.

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Rod > Smallwood > Sent: 21 May 2016 19:29 > To: General Discussion: On-Topic and Off-Topic Posts > > Subject: The RSTS riddle. > > Hi > > Further to my posts this

DEC Rainbow 100B For Sale, Manchester, UK

I have a DEC Rainbow 100B in the upright pedestal for sale. It comes with 128K of memory, a hard disk controller with hard disk cable, an RX50 drive and the graphics option. It is just the base unit and the pedestal, there is no keyboard, monitor or hard disk included. I collected this machine

RE: Best LCDs for retrocomputing - Was: Re: New *square* 1:1 26.5"LCD monitor 1920x1920

I tried the Dell on my Rainbow, but unfortunately it did not work. Looks like I would need the scan doubler that was mentioned. Regards Rob > -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Rob Jarratt > Sent: 17 May 2016 07:31 > To: Ian Finder

RE: classics I threw away or sold ... foolishly

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Adrian > Graham > Sent: 19 May 2016 19:12 > To: General Discussion: On-Topic and Off-Topic Posts > > Subject: Re: classics I threw away or sold ... foolishly > > On 19/05/2016

RE: Replacement for a Corcom F2987A EMI Filter

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Jarratt > RMA > Sent: 11 May 2016 22:34 > To: Discussion: Posts > Subject: Replacement for a Corcom F2987A EMI Filter > > I have two failed Corcom filters in two DEC Rainbows.

Windows 1.0 For DEC Rainbow

I understand that DEC created a version of Windows for the Rainbow. Does anyone have this? Regards Rob

RE: "Retro Repair" key electronics skills?

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Swift > Griggs > Sent: 09 May 2016 22:37 > To: General Discussion: On-Topic and Off-Topic Posts > > Subject: "Retro Repair" key electronics skills? > > > I figure I'm good for

RE: AlphaStation 200 NVRAM Problem

I have been setting up a MAX232CPE to try to get serial output from the serial diagnostic port. Trouble is I am not sure which signal is the data signal. The one that is marked SROMCDAT in the technical manual does not appear to do anything when I look at it with the scope. Anyone know which is

RE: AlphaStation 200 NVRAM Problem

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Peter > Coghlan > Sent: 02 May 2016 10:42 > To: General Discussion: On-Topic Posts > Subject: RE: AlphaStation 200 NVRAM Problem > > > > > > > One possibility I have in mind

RE: AlphaStation 200 NVRAM Problem

> I suppose I should find or construct a diagnostic port adapter. I suppose I am > slightly put off by the effort needed to make one as I don't have the > components needed to hand. I may just have to bite this bullet. > I decided to attempt the construction of an adapter. But it is the

RE: AlphaStation 200 NVRAM Problem

> -Original Message- > From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of Maciej > W. Rozycki > Sent: 02 May 2016 08:14 > To: Robert Jarratt <robert.jarr...@ntlworld.com> > Cc: 'General Discussion: On-Topic Posts' <cct...@classiccmp.org> &

RE: AlphaStation 200 NVRAM Problem

I want to read the DROM chip with my programmer, but I can't ID the chip. Does anyone know what kind it is? It is in a PLCC32 package and the label on it is: 369E7 AYOMA 49/95 I am sure at least some of that is DEC stuff, unrelated to the type of chip. However, none of those parts of the

DIMM Failures

To be able to use my parallel port programmer I keep an old (by modern standards) machine running with Windows XP on it. It is an Abit KV-85 motherboard for AMD processors. In recent times I have had a couple of DIMMs fail on me. I am not sure if this is just coincidence, that I have had a

RE: AlphaStation 200 NVRAM Problem

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Dave > Wade > Sent: 26 April 2016 23:18 > To: 'General Discussion: On-Topic and Off-Topic Posts' > > Subject: RE: AlphaStation 200 NVRAM Problem > > > I can now do test code

RE: AlphaStation 200 NVRAM Problem

em > > On Tue, 26 Apr 2016, Robert Jarratt wrote: > > It may be a checksum that is failing of course. Or the DROM itself, > > which I can't verify until I get the PLCC adapter for my PROM > > programmer and someone else to read their DROM. > > Could you use a pull or replac

RE: AlphaStation 200 NVRAM Problem

> I just got some very interesting results. > > I examined the bank 8 configuration register contents using the console. It > contained 0x0136, which suggests the cache is not valid. The base address > register contained 0x4000. > > So I booted VMS and modified my code to read the same

RE: AlphaStation 200 NVRAM Problem

> -Original Message- > From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of Maciej > W. Rozycki > Sent: 26 April 2016 21:02 > To: General Discussion: On-Topic Posts <cct...@classiccmp.org> > Subject: RE: AlphaStation 200 NVRAM Problem > > On Tu

RE: AlphaStation 200 NVRAM Problem

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Maciej W. > Rozycki > Sent: 26 April 2016 00:42 > To: General Discussion: On-Topic Posts <cct...@classiccmp.org> > Subject: RE: AlphaStation 200 NVRAM Problem > > On Mo

RE: AlphaStation 200 NVRAM Problem

> -Original Message- > From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of Maciej > W. Rozycki > Sent: 25 April 2016 14:29 > To: General Discussion: On-Topic Posts > Subject: RE: AlphaStation 200 NVRAM Problem > > On Sun, 24 Apr 2016, Maciej W.

RE: AlphaStation 200 NVRAM Problem

> > > From what I read the 3000 is a slightly earlier generation, not sure how close > it will be. Sounds like a good idea to get it going anyway. The thing I am > struggling with at the moment is getting sys$crmpsc_pfn_64 to work so I can > use C to test the NVRAM. I seem to have a problem with

RE: Finding classic computers in the UK

Dave is right, I have bagged the VT220 and will be collecting it soon. They are indeed quite hard to come by. Perhaps you could offer the university a swap for their VT220? I mean a PC with putty on it might suit their needs just as well. You don't say where you are in the UK. I only ask because

RE: AlphaStation 200 NVRAM Problem

> This thread has been making me wonder about my two AS200’s, I’ve been > meaning to revive the one with 768MB of RAM for VMS. Nice! Mine only has 160MB. Still it works well, apart from the NVRAM problem. Regards Rob > I really should also > check out my XP1000/667 as well, though I last

RE: AlphaStation 200 NVRAM Problem

> -Original Message- > From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of Maciej > W. Rozycki > Sent: 24 April 2016 14:34 > To: General Discussion: On-Topic Posts > Subject: RE: AlphaStation 200 NVRAM Problem > > On Sat, 23 Apr 2016, Peter Coghlan

RE: AlphaStation 200 NVRAM Problem

> -Original Message- > From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of Peter > Coghlan > Sent: 23 April 2016 21:44 > To: General Discussion: On-Topic Posts > Subject: RE: AlphaStation 200 NVRAM Problem > > > > > First of all you might be able to

RE: AlphaStation 200 NVRAM Problem

> First of all you might be able to run some SRAM diagnostics yourself, either > from the console (if it has a tool for this; at worst you could poke at it > manually with deposit/examine commands, but the complicated flashbus > access protocol will make it a tedious task unless there is a way

RE: AlphaStation 200 NVRAM Problem

> But from the discussion referred I gather DROM outputs its diagnostics to > this port too and you might be able to learn what exactly about NVRAM it > complains. Also you might be able to correct configuration, e.g. by poking at > NVRAM or elsewhere appropriately; notice that the manual also

RE: AlphaStation 200 NVRAM Problem

> > > > I don't think the SROM diagnostics are going to help much because the > > failure is in the DROM sequence, which comes after the SROM. > > But from the discussion referred I gather DROM outputs its diagnostics to > this port too and you might be able to learn what exactly about NVRAM

RE: AlphaStation 200 NVRAM Problem

> Information on using that is however scarce and scattered, you can find > some here to start: and then the > pinout for the serial diagnostic port is included here: > 199909/cd1/alpha/pcdsatia.pdf> > (the

RE: AlphaStation 200 NVRAM Problem

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Robert > Jarratt > Sent: 23 April 2016 00:17 > To: 'General Discussion: On-Topic and Off-Topic Posts' > <cctalk@classiccmp.org> > Subject: RE: AlphaStation 200 NVRAM Probl

RE: AlphaStation 200 NVRAM Problem

> > Someone mentioned there is a battery. It could be held by that, or a module > from ST Microelectronics or Dallas Semiconductor. The latter two tend to be > plastic packages that are ~28 pins or so and taller than normal chips. The > Dallas and ST modules have RAM/real time clock and a

RE: AlphaStation 200 NVRAM Problem

> On Apr 22, 2016 3:10 PM, "Robert Jarratt" <robert.jarr...@ntlworld.com> > wrote: > > > > I posted a while back about this problem. > > > > I am wondering if I have a chance of reviving this system or if it is > beyond > > repair (by me)? I c

RE: AlphaStation 200 NVRAM Problem

> Just wondering if I should expect anything on the serial port or on the > monitor if my AlphaStation has an NVRAM self test failure. Anyone know? > > I still need to identify the NVRAM chip(s), although replacing them means > learning how to desolder and resolder surface mount stuff, which I

RE: Manual for DEC 433au

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Glen Slick > Sent: 17 April 2016 02:08 > To: General Discussion: On-Topic and Off-Topic Posts > <cctalk@classiccmp.org> > Subject: Re: Manual for DEC 433au > > On Sat, A

RE: Manual for DEC 433au

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Glen Slick > Sent: 17 April 2016 00:08 > To: General Discussion: On-Topic and Off-Topic Posts > <cctalk@classiccmp.org> > Subject: Re: Manual for DEC 433au > > On Sat, A

RE: Manual for DEC 433au

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Glen Slick > Sent: 16 April 2016 20:58 > To: General Discussion: On-Topic and Off-Topic Posts > <cctalk@classiccmp.org> > Subject: Re: Manual for DEC 433au > > On

RE: Manual for DEC 433au

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Antonio > Carlini > Sent: 16 April 2016 19:38 > To: cctalk@classiccmp.org > Subject: Re: Manual for DEC 433au > > On 16/04/16 13:44, Robert Jarratt wrote: > > Anyone got t

Manual for DEC 433au

Anyone got the following document: DIGITAL Personal Workstation System Reference and Maintenance Guide The link on Manx is broken. Thanks Rob

RE: A computer collection in Italy

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Antonio > Carlini > Sent: 05 April 2016 10:07 > To: cctalk@classiccmp.org > Subject: A computer collection in Italy > > I came across this: > >

RE: The Right Way to Email - was Re: C & undefined behaviour - was Re: tumble under BSD

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Mouse > Sent: 04 April 2016 15:49 > To: cctalk@classiccmp.org > Subject: Re: The Right Way to Email - was Re: C & undefined behaviour - was > Re: tumble under BSD > > > Flowed text and top-posting

RE: VR241 Substitute

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of tony duell > Sent: 03 April 2016 20:08 > To: General Discussion: On-Topic and Off-Topic Posts > > Subject: RE: VR241 Substitute > > > > > Also also possibly any help - I used

VR241 Substitute

I could do with getting hold of a VR241, but these seem to be pretty unobtainable. So the alternative is to rig up an adapter of some kind to work with a VGA LCD, which also saves on space. I came across the following: http://www.vcfed.org/forum/showthread.php?38450-VR241-substitute-for-Rainbow

RE: DECmate II Questions

> -Original Message- > From: Robert Jarratt [mailto:robert.jarr...@ntlworld.com] > Sent: 02 April 2016 19:50 > To: 'General Discussion: On-Topic and Off-Topic Posts' > <cctalk@classiccmp.org> > Subject: RE: DECmate II Questions > > > > >

RE: DECmate II Questions

; > > On Apr 2, 2016, at 1:27 PM, Robert Jarratt <robert.jarr...@ntlworld.com> > wrote: > > > > I have been looking at my DECmate II recently. I got an Italian > > version of WPS 1.0 for it and that works fine, except that I don't > > have an Italian keyboa

DECmate II Questions

I have been looking at my DECmate II recently. I got an Italian version of WPS 1.0 for it and that works fine, except that I don't have an Italian keyboard so finding some of the characters is a bit tricky. :) The machine came with an RD51 hard disk. I can't many references to MFM disks in

RE: Olivetti M24 Mounting Bushes for Bus Converter

> > Ah, thanks for saving me the trouble of digging out my own 6300. > > The exact nylon standoffs might be a bit difficult, but the metal parts could > easily be replaced with plain old threaded hex standoffs. The original metal > standoffs are press-fitted into place and my guess that they'll

RE: Olivetti M24 Mounting Bushes for Bus Converter

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Chuck > Guzis > Sent: 25 March 2016 15:31 > To: General Discussion: On-Topic and Off-Topic Posts > > Subject: Re: Olivetti M24 Mounting Bushes for Bus Converter > > I'll have to

RE: Olivetti M24 Mounting Bushes for Bus Converter

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of tony duell > Sent: 25 March 2016 12:59 > To: General Discussion: On-Topic and Off-Topic Posts > > Subject: RE: Olivetti M24 Mounting Bushes for Bus Converter > > > > > Could

RE: Olivetti M24 Mounting Bushes for Bus Converter

get it out again later, if I can, and post some pics. Regards Rob > On 25 Mar 2016 09:20, "Robert Jarratt" <robert.jarr...@ntlworld.com> wrote: > > > The M24 I got the other day has the bus converter, whereas the other > > M24 that I already had does not. I bought a b

Olivetti M24 Mounting Bushes for Bus Converter

The M24 I got the other day has the bus converter, whereas the other M24 that I already had does not. I bought a bus converter for the "old" one, but then realised I didn't have any mounting bushes or spacers in order to install it. I thought of removing some of the bushes from the new one to

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...

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of > j...@cimmeri.com > Sent: 13 March 2016 23:28 > To: gene...@classiccmp.org; discuss...@classiccmp.org:On-Topic and Off- > Topic Posts > Subject: Re: A gold mine for anybody in

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

If you are happy to scan them (non-destructively) then that would be great! If it is not too many shelf-feet then I would be interested in keeping at least some of them, I can always give them to Jim Austin if they are too much. Adrian, if you are prepared to ship them (along with the other

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

I know nothing about RSTS and RSX, how many shelf-feet are we talking? A handful of DECdirect would be nice too. Not sure what SOC refers to though? Regards Rob > -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Adrian > Graham > Sent: 11 March 2016

RE: Options for resurrecting VAX 4000/400 and Vaxstation 3200

station 3200 > > On Wed, 09 Mar 2016 21:59:27 +0100, Robert Jarratt > <robert.jarr...@ntlworld.com> wrote: > > > > I think one day I will have to equip myself and learn how to desolder > > and resolder surface mount chips. I don't know how many chips > > i

RE: Options for resurrecting VAX 4000/400 and Vaxstation 3200

station 3200 > > On Wed, 09 Mar 2016 20:29:56 +0100, Robert Jarratt > <robert.jarr...@ntlworld.com> wrote: > > > > You could run the 3200 by netbooting it from a SIMH instance of VMS. > > If the RD54 was formatted (and working!) then you could transfer VMS >

RE: Options for resurrecting VAX 4000/400 and Vaxstation 3200

> -Original Message- > From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of Dr. > Roland Schregle > Sent: 09 March 2016 18:27 > To: ClassicCmp Tech > Subject: Options for resurrecting VAX 4000/400 and Vaxstation 3200 > > Dear all, > > I have two VAXen

RE: Usenet News Servers

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Jason > Howe > Sent: 05 March 2016 14:33 > To: General Discussion: On-Topic and Off-Topic Posts > <cctalk@classiccmp.org> > Subject: Re: Usenet News Servers > > On 03

Usenet News Servers

My ISP appears to have stopped updating the newsgroups it hosts. What news servers do people round here recommend? Thanks Rob

RE: Recovery adventure - Re: Unidentified DEC gear available, NSW-AU

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Jay West > Sent: 03 March 2016 13:52 > To: 'General Discussion: On-Topic and Off-Topic Posts' > > Subject: RE: Recovery adventure - Re: Unidentified DEC gear available, NSW- >

RE: Pdp-10 emulation

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Tedd > Martin Vazquez > Sent: 02 March 2016 21:50 > To: General Discussion: On-Topic and Off-Topic Posts > <cctalk@classiccmp.org> > Subject: Re: Pdp-10 em

RE: Pdp-10 emulation

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Tedd > Martin Vazquez > Sent: 02 March 2016 19:36 > To: cctalk@classiccmp.org > Subject: Pdp-10 emulation > > Hi people¡ I've installed SIMH on my computer and I want to get around with > the

RE: Algorithmic pricing gone critical - Re: PDP-10 programming [was RE: Dumb Terminal games (was Re: Looking for a small fast VAX development machine)]

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of william > degnan > Sent: 02 March 2016 03:30 > To: General Discussion: On-Topic and Off-Topic Posts > > Subject: Re: Algorithmic pricing gone critical - Re: PDP-10 programming

RE: 11/73 into 11/03 chassis?

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Noel > Chiappa > Sent: 09 February 2016 16:27 > To: cctalk@classiccmp.org > Cc: j...@mercury.lcs.mit.edu > Subject: Re: 11/73 into 11/03 chassis? > > > From: Jacob Ritorto > > > Can I tear

RE: The PDP11/04 has landed..

> -Original Message- > From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of tony > duell > Sent: 08 February 2016 15:25 > To: General Discussion: On-Topic Posts ; > jdr_...@bluewin.ch; classic...@classiccmp.org > Subject: RE: The PDP11/04 has landed.. >

RE: The PDP11/04 has landed..

> -Original Message- > From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of Pete > Lancashire > Sent: 08 February 2016 13:20 > To: General Discussion: On-Topic Posts > Cc: classic...@classiccmp.org; jdr_...@bluewin.ch > Subject: Re: The PDP11/04 has

RE: The PDP11/04 has landed..

> -Original Message- > From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of Jos > Dreesen > Sent: 07 February 2016 17:55 > To: classic...@classiccmp.org > Subject: The PDP11/04 has landed.. > > > > Yesterday I picked up the PDP11/04 that Jay mentioned a few days ago. >

RE: Last call: free machines in Sweden

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Pontus > Pihlgren > Sent: 29 January 2016 10:38 > To: cctalk@classiccmp.org > Subject: Last call: free machines in Sweden > > Hi > > My employer is moving house and need to clear out some old stuff.

RE: ISO: Outer rails for RK05

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Joshua > Stetson > Sent: 25 January 2016 19:00 > To: General Discussion: On-Topic and Off-Topic Posts > > Subject: Re: ISO: Outer rails for RK05 > > Bumping this request as I'm

RE: VAXELN Datagram Service

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Robert > Jarratt > Sent: 23 January 2016 19:33 > To: General Discussion: On-Topic and Off-Topic Posts > <cctalk@classiccmp.org> > Subject: VAXELN Datagram Service >

VAXELN Datagram Service

I am doing a bit of VAXELN programming and I am trying to get the Datagram Service to only read packets of a certain EtherType, but unless I use promiscuous mode, nothing is read. Here is the relevant code: form.format = ELN$K_NI_PTT; form.mux.ptt = 0x0360;

RE: Introducing myself and VAXstation 3100 help needed

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Bryan C. > Everly > Sent: 22 January 2016 13:10 > To: cctalk@classiccmp.org > Subject: Introducing myself and VAXstation 3100 help needed > > Hi Everyone, > > Jay West was kind enough to point me to

Any Collectors in Italy, near Milan?

I am going to be visiting Milan in a few weeks' time. I was wondering if there are any collectors on this list who live in that area, who would like to show off their collection, if I can get a bit of time away from the family? I have a particular interest in DEC machines, but other makes also

RE: vaxstation 3100 boot issue?

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Jay West > Sent: 19 January 2016 03:57 > To: cctalk@classiccmp.org > Subject: vaxstation 3100 boot issue? > > I am not a vax person, I'm posting this for someone else. Could anyone offer > advice for

RE: AlphaStation 200 NVRAM Problem

> > I don't know if it applies to the AlphaStation 200 but I have a PWS > > 500a > which > > defaults back to the AlphaBios firmware whenever the battery dies. > > After replacing the battery, I have to connect a keyboard and monitor > > and go through the AlphaBios menus to reset it to SRM.

RE: AlphaStation 200 NVRAM Problem

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Peter > Coghlan > Sent: 06 January 2016 21:39 > To: General Discussion: On-Topic and Off-Topic Posts > > Subject: Re: AlphaStation 200 NVRAM Problem > > > > > I tried starting

AlphaStation 200 NVRAM Problem

I tried starting up my AlphaStation 200 today. All I get is some beeps and an LED diagnostic code that suggests the NVRAM test failed. I swapped the battery, as the old one was dead, but it still refused to work. I have tried connecting to the serial port and got nothing (although I could have a

Pulling Capacitors From Above

I have resolved that to get my H7874 PSU working better I am going to have to bite the bullet and replace some electrolytic capacitors which cannot be desoldered from below, at least not without some significant surgery on the board (there are components soldered to the underside of the board and

RE: Looking for 3COM 3C905-TX Drivers

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Marc > Verdiell > Sent: 27 December 2015 08:44 > To: cctalk@classiccmp.org > Subject: RE: Looking for 3COM 3C905-TX Drivers > > >From: "Robert Jarratt" <robert.

RE: Looking for 3COM 3C905-TX Drivers

> > On 12/27/2015 01:57 AM, Robert Jarratt wrote: > > > Thanks Marc. The drivers from the HP Enterprise site worked, although > > for Windows 95 I have been unable to get TCP/IP working. DHCP is not > > working and ping moans about a wrong protocol. It loo

RE: Looking for 3COM 3C905-TX Drivers

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Chuck > Guzis > Sent: 26 December 2015 06:41 > To: General Discussion: On-Topic and Off-Topic Posts > Subject: Re: Looking for 3COM 3C905-TX Drivers > > On 12/25/2015 05:58 PM, Adrian Graham wrote: >

RE: VAX 4000-500 PSU Overload?

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Holm Tiffe > Sent: 25 December 2015 13:15 > To: General Discussion: On-Topic and Off-Topic Posts > Subject: Re: VAX 4000-500 PSU Overload? > > This Capacitor was bad in my PSU too and I've changed

RE: VAX 4000-500 PSU Overload?

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Brent > Hilpert > Sent: 21 December 2015 22:33 > To: General Discussion: On-Topic and Off-Topic Posts > Subject: Re: VAX 4000-500 PSU Overload? > > SMD markings and packagings are ambiguous, unclear,

RE: VAX 4000-500 PSU Overload?

Good news! It looks like I have managed to get this working again. I realised I had not checked the electrolytic capacitors on the main logic board, ones situated far from the main power output boards. I found one which had a higher ESR than two other identical ones, although the ESR was still

RE: VAX 4000-500 PSU Overload?

> -Original Message- > From: Robert Jarratt [mailto:robert.jarr...@ntlworld.com] > Sent: 20 December 2015 07:04 > To: 'General Discussion: On-Topic and Off-Topic Posts' > Subject: RE: VAX 4000-500 PSU Overload? > > > > The problem is just how to physical

RE: VAX 4000-500 PSU Overload?

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Holm Tiffe > Sent: 21 December 2015 08:51 > To: General Discussion: On-Topic and Off-Topic Posts > Subject: Re: VAX 4000-500 PSU Overload? > > Robert Jarratt wrote: > &g

RE: VAX 4000-500 PSU Overload?

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Brent > Hilpert > Sent: 21 December 2015 10:12 > To: General Discussion: On-Topic and Off-Topic Posts > Subject: Re: VAX 4000-500 PSU Overload? > > The lighter-beige ones, some of which are wider,

RE: VAX 4000-500 PSU Overload?

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Paul > Koning > Sent: 20 December 2015 22:32 > To: General Discussion: On-Topic and Off-Topic Posts > Subject: Re: VAX 4000-500 PSU Overload? > > > > On Dec 19, 20

RE: VAX 4000-500 PSU Overload?

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Paul > Koning > Sent: 19 December 2015 19:26 > To: General Discussion: On-Topic and Off-Topic Posts > Subject: Re: VAX 4000-500 PSU Overload? > > > Something to watch out for with high current sense

RE: VAX 4000-500 PSU Overload?

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Dave > Wade > Sent: 19 December 2015 18:32 > To: 'General Discussion: On-Topic and Off-Topic Posts' > Subject: RE: VAX 4000-500 PSU Overload? > > > > > Seeing as it already seems to have over

RE: VAX 4000-500 PSU Overload?

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Dave > Wade > Sent: 19 December 2015 20:44 > To: 'General Discussion: On-Topic and Off-Topic Posts' > Subject: RE: VAX 4000-500 PSU Overload? > > > > > I wonder if the voltage level detection

RE: VAX 4000-500 PSU Overload?

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Mouse > Sent: 20 December 2015 01:46 > To: cctalk@classiccmp.org > Subject: Re: VAX 4000-500 PSU Overload? > > >>> But getting something in series to measure load is going to be > >>> really awkward,

RE: VAX 4000-500 PSU Overload?

A bench test of the PSU with a small dummy load saw the PSU appear to work fine. It might help to load it more to see if it still operates correctly under load. The specs for the PSU are: 22 amperes at +12.1 Vdc 60 amperes at +5 Vdc 7 amperes at +3.4 Vdc 4 amperes at -12.1 Vdc Has anyone got

RE: VAX 4000-500 PSU Overload?

> -Original Message- > From: Robert Jarratt [mailto:robert.jarr...@ntlworld.com] > Sent: 19 December 2015 09:56 > To: 'General Discussion: On-Topic and Off-Topic Posts' > Cc: 'cct...@classiccmp.org' > Subject: RE: VAX 4000-500 PSU Overload? > > A bench test of th

RE: VAX 4000-500 PSU Overload?

> Bulbs have a lower than normal resistance when cold so it is possible that you > may be drawing more than 4A from the -12V line at the instant that you apply > power. > > Bulbs are great for supplying a minimum load for a power supply that won't > regulate without it but they are not so great

  1   2   >