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