Re: OmniUSB - further boards to make

2017-10-01 Thread SYLVIA MCMAHON via cctalk
Hello Philip, I registered interest in purchasing a Omnibus USB interface some time ago. Is this project still alive? Regards, Baz Sent from my iPad

Re: The origin of the phrases ATA and IDE [WAS:RE: formatting MFM drives on a IBM PC]

2017-10-01 Thread allison via cctalk
On 10/01/2017 04:55 PM, Jon Elson via cctalk wrote: > On 10/01/2017 02:58 PM, Chuck Guzis via cctalk wrote: >> On 10/01/2017 12:46 PM, Tom Gardner via cctalk wrote: >>> I've looked for but cannot find any WD or Compaq documents publically >>> using IDE to describe what ultimately issued as ATA-1.

Re: Kennedy 9800 near L.A. - Shipping help?

2017-10-01 Thread sandy hamlet via cctalk
Anders, I go to Santa Clarita about twice a week. What kind of help do you need ? I'm in Acton, about 20 miles north of Santa Clarita. - Original Message - From: "Anders Nelson via cctalk" To: "General Discussion: On-Topic and Off-Topic Posts"

RE: DECstation 5000/133 power supplies dead (H7826)

2017-10-01 Thread Rob Jarratt via cctalk
> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Seth > Morabito via cctalk > Sent: 01 October 2017 22:38 > To: cctalk@classiccmp.org > Subject: DECstation 5000/133 power supplies dead (H7826) > > All, > > I have two DECstation 5000/133s here with

Re: DECstation 5000/133 power supplies dead (H7826)

2017-10-01 Thread Jon Elson via cctalk
On 10/01/2017 04:38 PM, Seth Morabito via cctalk wrote: All, I have two DECstation 5000/133s here with dead power supplies. I've done some basic troubleshooting on both, and I've recapped the other, but they're still dead dead dead. I don't see any obviously blown components, and the fuses are

RE: Manx?

2017-10-01 Thread Rob Jarratt via cctalk
> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Noel > Chiappa via cctalk > Sent: 01 October 2017 21:11 > To: cctalk@classiccmp.org > Cc: j...@mercury.lcs.mit.edu > Subject: Re: Manx? > > > From: Rob Jarratt > > > I have just tried

Re: The origin of the phrases ATA and IDE [WAS:RE: formatting MFM drives on a IBM PC]

2017-10-01 Thread Chuck Guzis via cctalk
Doing some quick research, the governing patent seems to be https://www.google.com/patents/US5295247 filed in 1992, where the term IDE is used exclusively. Further, PC Magazine has ads for IDE interface motherboards in early 1989. Neither mentions ATA. If desired, I'll keep digging. --Chuck

DECstation 5000/133 power supplies dead (H7826)

2017-10-01 Thread Seth Morabito via cctalk
All, I have two DECstation 5000/133s here with dead power supplies. I've done some basic troubleshooting on both, and I've recapped the other, but they're still dead dead dead. I don't see any obviously blown components, and the fuses are fine, but several of the caps I replaced WERE leaky. I

Re: iMac ethernet connection quit - help?

2017-10-01 Thread Tapley, Mark via cctalk
On Jul 20, 2017, at 1:11 PM, Noel Chiappa via cctalk wrote: >> Next stop, I'll pull the cover off the machine and see whether I can >> spot any spilled battery electrolyte from the old battery or anything >> else suspicious looking on the logic board in that area > > It

Re: The origin of the phrases ATA and IDE [WAS:RE: formatting MFM drives on a IBM PC]

2017-10-01 Thread Jon Elson via cctalk
On 10/01/2017 02:58 PM, Chuck Guzis via cctalk wrote: On 10/01/2017 12:46 PM, Tom Gardner via cctalk wrote: I've looked for but cannot find any WD or Compaq documents publically using IDE to describe what ultimately issued as ATA-1. My search included various Compaq maintenance manuals. The

Re: Manx?

2017-10-01 Thread jim stephens via cctalk
On 10/1/2017 1:11 PM, Noel Chiappa via cctalk wrote: > From: Rob Jarratt > I have just tried accessing Manx at manx-docs.org, but it seems to have > disappeared. Anyone know what has happened to it? It moved. Now at: https://vt100.net/manx/ Noel It also is

Re: The origin of the phrases ATA and IDE [WAS:RE: formatting MFM drives on a IBM PC]

2017-10-01 Thread Fred Cisin via cctalk
On Sun, 1 Oct 2017, Tom Gardner via cctalk wrote: I've looked for but cannot find any WD or Compaq documents publically using IDE to describe what ultimately issued as ATA-1. My search included various Compaq maintenance manuals. Thank you very much for doing those searches! My first

RE: H7878 Fails Under Even Moderate Load

2017-10-01 Thread Rob Jarratt via cctalk
> -Original Message- > From: Maciej W. Rozycki [mailto:ma...@linux-mips.org] > Sent: 01 October 2017 20:28 > To: r...@jarratt.me.uk; Rob Jarratt ; General > Discussion: On-Topic and Off-Topic Posts > Cc: 'shad'

Re: Manx?

2017-10-01 Thread Noel Chiappa via cctalk
> From: Rob Jarratt > I have just tried accessing Manx at manx-docs.org, but it seems to have > disappeared. Anyone know what has happened to it? It moved. Now at: https://vt100.net/manx/ Noel

Re: Norton Utilities on 8"?

2017-10-01 Thread Chuck Guzis via cctalk
On 09/30/2017 11:50 AM, Richard Cini via cctech wrote: > I’m in the process or restoring a Seattle Gazelle for the Vintage > Computer Federation and one of the disks that it came with had > “Norton Utilities” written on it. I’ve imaged the disk but I’m not > entirely sure what system it was for,

RE: M7195 SLU issue might actually be 12v rail

2017-10-01 Thread Rob Jarratt via cctalk
> -Original Message- > From: cctech [mailto:cctech-boun...@classiccmp.org] On Behalf Of Aaron > Jackson via cctech > Sent: 30 September 2017 23:34 > To: cct...@classiccmp.org > Subject: M7195 SLU issue might actually be 12v rail > > Hi all, > > Instead of jumping straight in and ordering

Re: The origin of the phrases ATA and IDE [WAS:RE: formatting MFM drives on a IBM PC]

2017-10-01 Thread Chuck Guzis via cctalk
On 10/01/2017 12:46 PM, Tom Gardner via cctalk wrote: > I've looked for but cannot find any WD or Compaq documents publically > using IDE to describe what ultimately issued as ATA-1. My search > included various Compaq maintenance manuals. The earliest public use > of ATA and AT attachment that

The origin of the phrases ATA and IDE [WAS:RE: formatting MFM drives on a IBM PC]

2017-10-01 Thread Tom Gardner via cctalk
I've looked for but cannot find any WD or Compaq documents publically using IDE to describe what ultimately issued as ATA-1. My search included various Compaq maintenance manuals. The earliest public use of ATA and AT attachment that I can find is March 1969 at the CAM committee draft

RE: H7878 Fails Under Even Moderate Load

2017-10-01 Thread Maciej W. Rozycki via cctalk
On Sun, 1 Oct 2017, Rob Jarratt via cctalk wrote: > Just to let everyone know, I have now fixed this PSU. The final write up > is here: > > https://robs-old-computers.com/2017/10/01/decstation-5000-model-240-psu-fixed/ > > Thanks everyone for all the help. Great, congrats! I see many failed

Manx?

2017-10-01 Thread Rob Jarratt via cctalk
I have just tried accessing Manx at manx-docs.org, but it seems to have disappeared. Anyone know what has happened to it? Regards Rob

Re: M7195 SLU issue might actually be 12v rail

2017-10-01 Thread Aaron Jackson via cctalk
> On Sat, Sep 30, 2017 at 6:33 PM, Aaron Jackson via cctalk > wrote: >> Hi all, >> >> Instead of jumping straight in and ordering an SLU, I decided to check >> the power supply voltages. My +12V rail appears to be only giving about >> +4.6V > > That does not sound fine. I

Re: HP 900 model 300 monitor

2017-10-01 Thread Tony Duell via cctalk
On Sun, Oct 1, 2017 at 6:09 PM, js--- via cctalk wrote: > > > On 10/1/2017 12:02 PM, Tony Duell via cctalk wrote: >> >> On Sun, Oct 1, 2017 at 5:18 PM, js--- via cctalk >> wrote: >>> >>> You need a 25khz monitor. Here's a list I've compiled over the

Re: HP 900 model 300 monitor

2017-10-01 Thread js--- via cctalk
On 10/1/2017 12:02 PM, Tony Duell via cctalk wrote: On Sun, Oct 1, 2017 at 5:18 PM, js--- via cctalk wrote: You need a 25khz monitor. Here's a list I've compiled over the years. 25khz 640x400 SOG monitors HP 98204A (used with 82913A 12" 640x240 and 82912A 9"

Re: HP 900 model 300 monitor

2017-10-01 Thread Tony Duell via cctalk
On Sun, Oct 1, 2017 at 5:18 PM, js--- via cctalk wrote: > > You need a 25khz monitor. Here's a list I've compiled over the years. > > 25khz 640x400 SOG monitors > > HP 98204A (used with 82913A 12" 640x240 and 82912A 9" 640x240 monitors) Are you sure about that one? The

RE: H7878 Fails Under Even Moderate Load

2017-10-01 Thread Rob Jarratt via cctalk
Just to let everyone know, I have now fixed this PSU. The final write up is here: https://robs-old-computers.com/2017/10/01/decstation-5000-model-240-psu-fixed/ Thanks everyone for all the help. Now back to the DECstation 220, a ZX Spectrum, and then the daunting task of fixing the

Re: M7195 SLU issue might actually be 12v rail

2017-10-01 Thread Ethan Dicks via cctalk
On Sat, Sep 30, 2017 at 6:33 PM, Aaron Jackson via cctalk wrote: > Hi all, > > Instead of jumping straight in and ordering an SLU, I decided to check > the power supply voltages. My +12V rail appears to be only giving about > +4.6V That does not sound fine. > This is an

Re: HP 900 model 300 monitor

2017-10-01 Thread js--- via cctalk
You need a 25khz monitor. Here's a list I've compiled over the years. 25khz 640x400 SOG monitors HP 98204A (used with 82913A 12" 640x240 and 82912A 9" 640x240 monitors) HP 98204B (used with 35721 14" 640x400 and 35731 12" 640x400 monitors) HP 98543A (used with 35741 12" 640x400 RGB

Re: HP 900 model 300 monitor

2017-10-01 Thread Tony Duell via cctalk
On Sun, Oct 1, 2017 at 8:24 AM, devin davison via cctalk wrote: > I found another HP machine at the scrapyard today. I have another > similar model that boots up to HP basic. I do not see an exact model > number anywhere on it, all i see is Hp 9000/300 on the front. It >

Re: M7195 SLU issue might actually be 12v rail

2017-10-01 Thread Noel Chiappa via cctalk
> DEC also has excellent 'Technical Manuals' for both, which clearly > explain how the circuitry works (although alas, the BA11-N Tech Manual > is not [yet] online Argh, my memory is failing me. The BA11-S technical info is in the "PDP-11/23B Mounting Box Technical Manual",

Re: M7195 SLU issue might actually be 12v rail

2017-10-01 Thread Noel Chiappa via cctalk
> From: Aaron Jackson > This is an 11/23+ chassis and the power supply seems very large, but > reasonably easy to trace. I thought I'd ask first if anyone has any > tips on how to debug this Err, exactly which power supply is this - an H786, or an H7861? If so, there are prints

M7195 SLU issue might actually be 12v rail

2017-10-01 Thread Aaron Jackson via cctalk
Hi all, Instead of jumping straight in and ordering an SLU, I decided to check the power supply voltages. My +12V rail appears to be only giving about +4.6V, where as the 5V rails are something like 4.9V, which should be fine. This is an 11/23+ chassis and the power supply seems very large, but

Re: HP 900 model 300 monitor

2017-10-01 Thread jim stephens via cctalk
On 10/1/2017 12:24 AM, devin davison via cctalk wrote: I found another HP machine at the scrapyard today. I have another similar model that boots up to HP basic. I do not see an exact model number anywhere on it, all i see is Hp 9000/300 on the front. It appears similar to the other machine i

HP 900 model 300 monitor

2017-10-01 Thread devin davison via cctalk
I found another HP machine at the scrapyard today. I have another similar model that boots up to HP basic. I do not see an exact model number anywhere on it, all i see is Hp 9000/300 on the front. It appears similar to the other machine i have, although this machine lacks the vga port and has what