Re: Anyone have any info on the obscure MX11 PDP-11 option?

2019-06-24 Thread Noel Chiappa via cctalk
> From: Al Kossow > Does anyone know where Steve Rothman is? And also Bill Weiske, who's listed as the go-to for the KS11. Noel

Re: Anyone have any info on the obscure MX11 PDP-11 option?

2019-06-24 Thread Al Kossow via cctalk
Does anyone know where Steve Rothman is? I assume this is the same person who wrote the VAX spec. On 6/24/19 3:19 PM, Noel Chiappa via cctalk wrote: > > From: Al Kossow > > > It is in the Dick Best Options and Modules List 197503 > > Ah, thanks for the pointer; I see it's listed as a

Re: Anyone have any info on the obscure MX11 PDP-11 option?

2019-06-24 Thread Noel Chiappa via cctalk
> From: Al Kossow > It is in the Dick Best Options and Modules List 197503 Ah, thanks for the pointer; I see it's listed as a "Memory Extension Control" - not sure that tells me much, alas! Interestingly, it's not in the earlier Options and Modules lists, e.g. June '74, but the KS11 is

Re: Anyone have any info on the obscure MX11 PDP-11 option?

2019-06-24 Thread Al Kossow via cctalk
It is in the Dick Best Options and Modules List 197503 Steve Rothman is shown as responsible engineer On 6/24/19 1:38 PM, Noel Chiappa via cctalk wrote: > While I asking on the TUHS list about the KS11, someone mentioned the MX11 > Memory Extension Option, described as "enabl[ing] the usage of

Re: Anyone have any info on the obscure MX11 PDP-11 option?

2019-06-24 Thread allison via cctalk
On 06/24/2019 04:38 PM, Noel Chiappa via cctalk wrote: > MX11 > Memory Extension Option If it is not KT-11 then its not memory address extension. MX-11 and variants are memory boards or systems. BEst I can do it never appears in my Qbus world so it may be a board/module level reference to the

Re: Anyone have any info on the obscure MX11 PDP-11 option?

2019-06-24 Thread Guy Sotomayor Jr via cctalk
One place to look and see if there was anything, is to look for any hardware information about C.MMP at CMU. Since C. had a mix of modified 11/20s and 11/40s, there *may* be some information on what they did. Unfortunately I don’t think it would map directly because C. had (as I recall) 1.2MW

Re: Help with a qic data tape

2019-06-24 Thread Grant Taylor via cctalk
On 6/23/19 7:18 PM, Danr via cctalk wrote: Someone gave me your info.I have a very important tape I need help with. The tape spooled off the end and I need the belt put back on. Maybe getting the data off the tape too. It’s a 3m dc2120 120Megabyte tape. I’ve tried to do some practice

Identifying some boards

2019-06-24 Thread Kyle Owen via cctalk
I picked up these boards many weeks ago, but haven't photographed them until recently. Some of them are pretty disgusting, but some of the others look alright. Anyone have any idea what these came out of? Some are labeled Gould, others are labeled Encore. http://imgur.com/a/d9iK9qb Thanks!

Re: One of the deeper dives into RISC vs CISC I've seen

2019-06-24 Thread Tony Aiuto via cctalk
On a related note, a fun talk about ARM https://www.youtube.com/watch?time_continue=2045=_6sh097Dk5k