Re: OT: PCI Ethernet or USB 2.0 ethernet?

2017-04-02 Thread Christian Corti via cctalk
On Sat, 1 Apr 2017, Peter Corlett wrote: Both USB 2.0 and PCI are orders of magnitude faster than real-world wifi. Even ISA will give wifi a run for its money. I recommend you not bother with wifi if you care about network performance. No, USB 2.0 is way too slow for 802.11ac that outperforms

Re: Stuffing boards with pulled QFP chips

2017-04-02 Thread Paul Koning via cctalk
> On Apr 2, 2017, at 12:51 AM, Jon Elson via cctalk > wrote: > > On 04/01/2017 11:27 PM, Chuck Guzis via cctalk wrote: >> What do you do about boards with SMT components on *both* sides? I can't see >> how it would work with a toaster oven. > OK, this is going to be long. > > I do small-scale

Re: Stuffing boards with pulled QFP chips

2017-04-02 Thread Diane Bruce via cctalk
On Sat, Apr 01, 2017 at 06:59:54PM -0700, Chuck Guzis via cctalk wrote: > On 04/01/2017 07:01 AM, Paul Koning via cctalk wrote: > > > > > Before building my most recent project (which involves an > > unpleasantly small-pitched TSOP package housing multiple RS232 level > > converters) I asked expe

Re: New HP42s clone almost available

2017-04-02 Thread Jürgen Keller via cctalk
A few months ago I had a prototype of this 42S clone in my hands. It looked and felt very promising! I’ll will buy one when it will be available. For those of you who are interested, please follow the discussions on hpmuseum.org forum. Jurgen > Am 10.03.2017 um 16:34 schri

Re: New HP42s clone almost available

2017-04-02 Thread Ed via cctalk
That is an undertaking indeed! I had not seen this Ed# Someone said the 12c was still being made? In a message dated 4/2/2017 9:00:53 A.M. US Mountain Standard Time, cctalk@classiccmp.org writes: A few months ago I had a prototype of this 42S clone in my hands. It looked and fel

Re: Stuffing boards with pulled QFP chips

2017-04-02 Thread Chuck Guzis via cctalk
On 04/02/2017 07:53 AM, Diane Bruce wrote: > Read this: > > https://nepp.nasa.gov/whisker/reference/tech_papers/2011-nasa-gsfc-whisker-failure-app-sensor.pdf There are problems with the site's certificate, but I was able to wget the paper using the --no-check-certificate option. Tin whiskers we

Re: Stuffing boards with pulled QFP chips

2017-04-02 Thread Diane Bruce via cctalk
On Sun, Apr 02, 2017 at 10:40:40AM -0700, Chuck Guzis via cctalk wrote: > On 04/02/2017 07:53 AM, Diane Bruce wrote: > > > Read this: > > > > https://nepp.nasa.gov/whisker/reference/tech_papers/2011-nasa-gsfc-whisker-failure-app-sensor.pdf > > There are problems with the site's certificate, but

Re: Stuffing boards with pulled QFP chips

2017-04-02 Thread David Griffith via cctalk
On Fri, 31 Mar 2017, Paul Koning via cctech wrote: On Mar 31, 2017, at 1:51 PM, allison via cctech wrote: On 03/31/2017 06:32 AM, David Griffith via cctalk wrote: I'm down to the last few P112 boards for sale and am pondering another run of them because demand is steady. One of the biggest

Re: Stuffing boards with pulled QFP chips

2017-04-02 Thread Paul Koning via cctalk
> On Apr 2, 2017, at 9:37 AM, Paul Koning via cctalk > wrote: > > ... > I have a nice article about toaster oven SMD work. It's in German, via the > PCB Pool website if I remember right. Here it is: https://www.beta-estore.com/download/rk/RK-10001_76.pdf paul

Re: Chip in first Apple AirPort WiFi

2017-04-02 Thread Ian Finder via cctalk
If I recall correctly, as you've noted it was a WaveLAN / Orinoco silver card ('HERMES' chipset), connected via PCMCIA to a SBC based around an AMD ELAN SC400 - 33AC 486-like CPU. It had something like a couple megs of RAM and maybe 512K of FLASH. I don't know what OS it ran, if anything 'off the s

Re: DCC-116 E / DATA GENERAL NOVA 2/10 / Nixdorf 620 - Restoring and restarting

2017-04-02 Thread Dominique Carlier via cctalk
After the mess, ... http://actingmachines.com/classiccmp_forum/mess01.jpg ... it was time to reorganize a cool place to continue this restoration :-) http://actingmachines.com/classiccmp_forum/calm01.jpg http://actingmachines.com/classiccmp_forum/calm02.jpg Without the schematics of the two p

KDJ11-B PDP 11/73 getting stuck in Exit standalone mode diag #56

2017-04-02 Thread Mark G Thomas via cctalk
Hi, I picked up an empty 4x8 Q-bus chassis at VCF-East this year. It's labelled "USDC CSS-823 Processor System" on the outside. It's not a DEC backplane, but the chassis is light aluminum, smaller and in some ways nicer than my pile of BA23s. It includes a switching power supply, LTC and q-bus

Items available in Sacramento, CA

2017-04-02 Thread Bob Rosenbloom via cctalk
I got this from Daniel. You can contact him directly if there's anything of interest. Daniel de Long I will be going there on Tuesday and could bring things back to the bay area if they are not too large. I will have a trailer. Bob __

Re: Cleaning RK05 packs

2017-04-02 Thread Fritz Mueller via cctalk
The first two packs I opened up for cleaning had foam around the inside of the hub. If it is decaying like the rest of the foam DEC used this seems like it could be a problem inside the packs? I haven’t seen this discussed before in any of the RK05 pack cleaning threads. Do folks usually leav

RIP: Daniel Bobrow

2017-04-02 Thread Tony Aiuto via cctalk
http://www.legacy.com/obituaries/nytimes/obituary.aspx?n=daniel-bobrow&pid=184794881 I think Ken Thompson paid him the greatest tribute in his Turing Award paper. *"I suspect that Daniel Bobrow would be here instead of me if he could not afford a PDP-10 and had had to "settle" for a PDP-11. * htt

Re: Intellivision reset switch

2017-04-02 Thread drlegendre . via cctalk
Jules, I've been inside of one, but I just can't recall the arrangement for the reset button. But here are a couple of thoughts on the matter.. If the unit was otherwise working as-found, then it might be safe to say that whatever +was+ under that button +must+ have either disintegrated or fallen

Re: KDJ11-B PDP 11/73 getting stuck in Exit standalone mode diag #56

2017-04-02 Thread Glen Slick via cctalk
On Sun, Apr 2, 2017 at 11:49 AM, Mark G Thomas via cctalk wrote: > > Unfortunately, I discovered slots are all wired Q22/Q22, no top ABCD > (Q22/CD) PMI slots like a BA23. So, not good for an 11/83 CPU wired > for PMI on slots C-D. > > So, I was hoping I could get my KDJ11-B (quad-wide 11/73) runn

Re: New HP42s clone almost available

2017-04-02 Thread David Griffith via cctalk
On Sun, 2 Apr 2017, Ed via cctalk wrote: That is an undertaking indeed! I had not seen this Ed# Someone said the 12c was still being made? The 12c never went out of production. It has been continuously updated. A lot of bankers, insurance people, etc still rely on them. -- David G

More tapes - This time all Tektronix 405x series

2017-04-02 Thread Pete Lancashire via cctalk
https://goo.gl/photos/m91e3UPSvN6tHUaS7

Re: More tapes - This time all Tektronix 405x series

2017-04-02 Thread AJ Palmgren via cctalk
Pete, These tapes look to be in beautiful condition! Do you have any plans for reading or archiving them? Do you have any idea what format the data might have been written in? If interested, my site for reading/restoring QIC cartridges of this very vintage is at http://QICreader.com Let me kn