Re: PDP-11/45 RSTS/E boot problem

2019-01-27 Thread Paul Koning via cctalk
> On Jan 26, 2019, at 4:22 PM, Fritz Mueller via cctalk > wrote: > > ... > I don't think this is directly related to the parity abort issue, since Noel > informs me that V6 Unix doesn't care at all, and I can also see under both > OS's that after the recent repairs no parity faults are occu

Re: PDP-11/45 RSTS/E boot problem

2019-01-27 Thread Fritz Mueller via cctalk
> On Jan 27, 2019, at 1:34 PM, Paul Koning wrote: > > I have the impression that RSTS tries to identify the parity CSRs by forcing > wrong parity and seeing which CSR reports the issue. So if you have a CPU > ECO issue that causes trap to 114 not to work, I don't see how you could get > RST

early PDP-11/45 info sought

2019-01-27 Thread Fritz Mueller via cctalk
Those reading through the recent "PDP-11/45 RSTS/E boot problem" thread here will know that I've gotten to some corners of my 11/45 CPU now that don't match up with the commonly available engineering drawings. My /45 is an early serial number (#152). So far I've verified hardware differences o

Re: PDP-11/45 RSTS/E boot problem

2019-01-27 Thread Fritz Mueller via cctalk
> On Jan 27, 2019, at 3:06 PM, Fritz Mueller wrote: > > I'll keep you posted about what I find out from ANALYS! Posted below. I've elided the core dump here so not to spam everybody; will send off-list. Note that I only copied over the blocks of [0,1]CRASH.SYS, and overlaid them on a copy

HP 1000 A class series boards

2019-01-27 Thread Jesse Dougherty via cctalk
If anyone can use any of the 1000 A Series boards, I have the following.. feel free to contract need anything. Sorry for the two inventory postings, I spent all weekend inventorying these boards. 02430-60009    Voltage jumper board 12001-60003    A400 CPU board 12004-60001    Memory Controller

Re: HP 1000 A class series boards

2019-01-27 Thread Guy Dunphy via cctalk
Hello Jesse, I have this: http://everist.org/NobLog/20131112_HP_1000_minicomputer_teardown.htm It's a stalled project, due to unfortunate circumstance. I was at the point of preparing to reassemble the machine (after cleaning) and start testing. Wanted to first test the power supply under dumm

Re: early PDP-11/45 info sought

2019-01-27 Thread Jay Jaeger via cctalk
I think I can help some. I have a PDP-11/45 From U. Wisc. ECE that claims to be S/N 1525 . * I do NOT have an actual wire list, it seems, but I will hunt a bit more tomorrow or Tuesday. * I DO have earlier PDP-11/45 CPU drawings, but no ECO info Here is what I have for drawings: B-DD-11/45-

Re: early PDP-11/45 info sought

2019-01-27 Thread Fritz Mueller via cctalk
Hi Jay, > On Jan 27, 2019, at 7:07 PM, Jay Jaeger wrote: > > I think I can help some... I DO have earlier PDP-11/45 CPU drawings... Man, this list is the absolute best! The '72 KB11-A drawings would be most immediately useful. If you only have time for a subset of pages, I would find the sch

Re: HP 1000 A class series boards

2019-01-27 Thread Glen Slick via cctalk
On Sun, Jan 27, 2019 at 6:50 PM Guy Dunphy via cctalk wrote: > > At the moment I'm not sure if my machine is an 'A-series' or not. How do I > tell? > It's a 2113E, apparently quite a late model. I've had it and related hardware > (minus disk drives) > since the early 2000's. It was a junkyard fi