Re: RK05 rear filters/brackets

> On Jan 26, 2018, at 2:14 PM, Bill Degnan wrote: > http://vintagecomputer.net/digital/pdp8e/RK05_ext-filter.jpg > http://vintagecomputer.net/browse_thread.cfm?id=588 Thanks, Bill! I am also missing the brackets, so looking for pics of those as well. —FritzM.

Re: DEC H7260 PSU fault

On 01/25/2018 09:29 PM, Jules Richardson via cctalk wrote: On 01/25/2018 07:16 PM, Glen Slick via cctalk wrote: On Thu, Jan 25, 2018 at 3:06 PM, Jules Richardson via cctalk OK, the top PSU of the pair in this machine appears to be healthy. The bottom one, however, sits at around 2.5V on both

Re: RK05 rear filters/brackets

http://vintagecomputer.net/digital/pdp8e/RK05_ext-filter.jpg On Fri, Jan 26, 2018 at 5:14 PM, Bill Degnan wrote: > Here is a quick thread I made when I replaced mine, with a photo. It's > not great but it should help. > http://vintagecomputer.net/browse_thread.cfm?id=588

Re: ultrasonic cleaning for disk heads

I always use my finger and finger nail. Your finger is very sensitive to even the tiniest piece of crud. I then just need to do a final clean with IPA. Dwight From: cctalk on behalf of Fritz Mueller via cctalk

RK05 rear filters/brackets

My restored RK05 drives are missing their rear air filters (the ones that cover the back of the card cage). I would like to fashion some sort of replacements. If anybody here has access to drives with the original filters, I’d really appreciate a few photos so I can see what these looked like

Re: DEC H7260 PSU fault

On 25/01/18 23:47, Rob Jarratt via cctalk wrote: I doubt it. For the H7864 from the BA23 MicroVax II Enclosure I couldn't find anything and in the end made my own schematic. If it was externally sourced then DEC probably didn't have a schematic. That was the case with the DEMSA (iirc) and

ultrasonic cleaning for disk heads

I watched with great interest one of curiousmarc’s recent Alto videos, wherein they clean a Diablo drive head ultrasonically. I’ve been struggling a bit with my restored RK05 drives to completely clean the heads after minor head crashes. Not being able to get them really sparkling clean makes

Re: KK11-A / PDP-11/34 Cache module print set

> From: Mattis Lind > I have now scanned the MP00574 / KK11-A printset I have received. Thank you very much for doing that! Those prints were one of the main missing PDP-11 print sets. > Hope the quality is good enough. It looks good to me. Noel

KK11-A / PDP-11/34 Cache module print set

I have now scanned the MP00574 / KK11-A printset I have received. https://drive.google.com/open?id=0B-rp4vyPPYu1U0tvT0Q5enFpVkZYSW5mMUV4dnJPQlBNYmpj Hope the quality is good enough. BTW. I am looking for the H8822 over the top connector. I just ask here in case anyone has a spare. Otherwise it

Re: SCSI Controller Hanging...

On 24 January 2018 at 16:33, Jack Harper via cctalk wrote: > > Hello Plamen - > > I use the SCSI controller that is built into the MVME177 transition module. > > No, when I RESET the system, I just press the RESET button on the processor > board - usually when it is hung