PDP Power Usage WAS: BBS software for the PDP 11

2017-05-20 Thread Ali via cctalk
> ___ > The plate on the back of my 11/93 says 345 Watts. That's about a fifth > what your wifes hair dryer draws. Or slightly more than 3 100 watt > light bulbs (which your kids leave on all over the house all the > time!!) bill > > I run a similar PDP-11/83

RE: BBS software for the PDP 11

2017-05-20 Thread Mark Matlock via cctalk
As for power, if you have a wife and/or kids, a PDP-11's power > consumption is not even above the noise floor in your electric bill. > (Unless your trying to do it with RA disks!!) > > bill Out of curiosity how much power do these wee beasties consume? ___ The

Re: BBS software for the PDP 11

2017-05-20 Thread Peter Corlett via cctalk
On Sat, May 20, 2017 at 02:01:12AM +, Bill Gunshannon via cctalk wrote: [...] > And if you break one you have to call HAZMAT. You did realize that, didn't > you? They contain mercury and any breakage requires professional remediation > by law!! That's an "alternative fact". The EPA gives some

KDF 8189 processor board foobared (ebay warning)

2017-05-20 Thread jim stephens via cctalk
I just ran across a sale on epay by a guy who thought you could pull the processor chip off the board and sell each in separate auctions. I couldn't find the processor from the huge number of gold scrap chip auctions he had, but he said it (or the other) chip(s) for the board were listed. I

Re: Ethernet 1973/1974

2017-05-20 Thread Mark Kahrs via cctalk
The early ethernet schematics are best read with the a copy of the original patent (US 4,073,220) in hand. In particular, you can match up figure 5 and the explanation in the text with the schematic from Xerox. I wrote such a document decades ago but it has vanished along with many other bits.

Re: KDF 8189 processor board foobared (ebay warning)

2017-05-20 Thread Mike Stein via cctalk
- Original Message - From: "Noel Chiappa via cctalk" To: Cc: Sent: Saturday, May 20, 2017 9:12 AM Subject: Re: KDF 8189 processor board foobared (ebay warning) >> From: Jim Stephens > >> I just ran

Re: KDF 8189 processor board foobared (ebay warning)

2017-05-20 Thread allison via cctalk
On 05/20/2017 04:59 AM, jim stephens via cctalk wrote: > I just ran across a sale on epay by a guy who thought you could pull > the processor chip off the board and sell each in separate auctions. > > I couldn't find the processor from the huge number of gold scrap chip > auctions he had, but he

Re: BBS software for the PDP 11

2017-05-20 Thread Warner Losh via cctalk
On Sat, May 20, 2017 at 7:42 AM, Liam Proven via cctalk < cctalk@classiccmp.org> wrote: > On 19 May 2017 at 21:39, jim stephens via cctalk > wrote: > > I have news for you. (maybe) From 1976 until it petered out, the phone > time > > cost a lot too. $200 or more a month

Re: KDF 8189 processor board foobared (ebay warning)

2017-05-20 Thread Noel Chiappa via cctalk
> From: Jim Stephens > I just ran across a sale on epay by a guy who thought you could pull > the processor chip off the board and sell each in separate auctions. There are a lot of idiotz out there. I ran into one who'd removed a group of boards from (probably) an -11/40, and then

Re: BBS software for the PDP 11

2017-05-20 Thread Liam Proven via cctalk
On 19 May 2017 at 21:39, jim stephens via cctalk wrote: > I have news for you. (maybe) From 1976 until it petered out, the phone time > cost a lot too. $200 or more a month at times. What does "phone time" mean in this context? I mean, POTS billing, for me, was always

Re: KDF 8189 processor board foobared (ebay warning)

2017-05-20 Thread jim stephens via cctalk
On 5/20/2017 7:01 AM, allison via cctalk wrote: Argh, CPU chips used on dec board loose value as the complete board carries the value. KDF with the second chip is useful but the logic needed to may a "CPU" of the raw chips is not trivial. That was what I figured. Hopefully the lister will

Re: Announcing: VCF Midwest 12!

2017-05-20 Thread Brad H via cctalk
Very cool!  Wish we had one of these up here in Vancouver, BC. Sent from my Samsung device Original message From: Jason T via cctalk Date: 2017-05-20 6:05 PM (GMT-08:00) To: chiclassicc...@yahoogroups.com, "General Discussion: On-Topic and

Re: KDF 8189 processor board foobared (ebay warning)

2017-05-20 Thread allison via cctalk
On 05/20/2017 05:56 PM, jim stephens wrote: > > > On 5/20/2017 7:01 AM, allison via cctalk wrote: >> Argh, CPU chips used on dec board loose value as the complete board >> carries the value. >> >> KDF with the second chip is useful but the logic needed to may a "CPU" >> of the raw chips is not

Re: BBS software for the PDP 11

2017-05-20 Thread jim stephens via cctalk
On 5/20/2017 6:42 AM, Liam Proven via cctalk wrote: On 19 May 2017 at 21:39, jim stephens via cctalk wrote: I have news for you. (maybe) From 1976 until it petered out, the phone time cost a lot too. $200 or more a month at times. What does "phone time" mean in this

Re: KDF 8189 processor board foobared (ebay warning)

2017-05-20 Thread jim stephens via cctalk
On 5/20/2017 6:12 AM, Noel Chiappa via cctalk wrote: > From: Jim Stephens > I just ran across a sale on epay by a guy who thought you could pull > the processor chip off the board and sell each in separate auctions. There are a lot of idiotz out there. Turned out he had never

Re: KDF 8189 processor board foobared (ebay warning)

2017-05-20 Thread Paul Anderson via cctalk
Hi Jim, I have the M8189 11/23+ boards here. call me tonight if you want. Paul On Sat, May 20, 2017 at 4:59 PM, jim stephens via cctalk < cctalk@classiccmp.org> wrote: > > > On 5/20/2017 6:12 AM, Noel Chiappa via cctalk wrote: > >> > From: Jim Stephens >> >> > I just ran across a

Re: KDF 8189 processor board foobared (ebay warning)

2017-05-20 Thread jim stephens via cctalk
On 5/20/2017 3:20 PM, Paul Anderson wrote: Hi Jim, I have the M8189 11/23+ boards here. call me tonight if you want. Paul Are there any reasonably priced boards with the processor and memory of either the KDF or KDJ processors? The ones I've seen recently are astronomically priced.

Re: Commercial AIM-65 Video Controller?

2017-05-20 Thread Eric Smith via cctalk
On May 19, 2017 10:46 PM, "dwight via cctalk" wrote: I don't believe the AIM-65 normally does color?? The AIM-65 normally does one color, which is red, on its alphanumeric LED displays.

Re: BBS software for the PDP 11

2017-05-20 Thread Chuck Guzis via cctalk
On 05/20/2017 11:12 AM, Warner Losh via cctalk wrote: > In the bay area in california, and likely elsewhere too, there was a local > calling zone that was set based on the population patterns of the 1950's > and 1960's. This meant that calls to some numbers were free, while others > had a toll

Re: KDF 8189 processor board foobared (ebay warning)

2017-05-20 Thread Paul Anderson via cctalk
I don't remember the board numbers that came with the memory. If you have specific boards I'll try to check tonight. I seem to remember some lose J-11 chips somewhere- I'll try to find them. Thanks, Paul On Sat, May 20, 2017 at 5:40 PM, jim stephens via cctalk < cctalk@classiccmp.org> wrote: >

Announcing: VCF Midwest 12!

2017-05-20 Thread Jason T via cctalk
We did this nerd-fest thing at this hotel last year and no one complained (much), least of all the hotel, so I think we're up for another go. The TWELFTH edition of the Vintage Computer Festival Midwest is happening September 9th and 10th, 2017 in lovely Elk Grove Village, Illinois, mere minutes

Re: KDF 8189 processor board foobared (ebay warning)

2017-05-20 Thread jim stephens via cctalk
On 5/20/2017 7:49 AM, Mike Stein via cctalk wrote: - Original Message - From: "Noel Chiappa via cctalk" To: Cc: Sent: Saturday, May 20, 2017 9:12 AM Subject: Re: KDF 8189 processor board foobared (ebay warning)