Re: keycaps / switches for Tek 4006

2019-07-27 Thread Fritz Mueller via cctalk
After a little more research on the net tonight: it looks like the keyboard in the 4006 was pretty much one of Cherry's standard "B70 ASR" models. The key mechs are known as M7 T-mount, and the caps look like the standard double shot ones supplied by Cherry in their mid to late 70's catalogs.

Re: Resurrecting integrated circuits by cooking them.

2019-07-27 Thread Jeffrey S. Worley via cctalk
On Wed, 2019-07-24 at 21:24 -0400, Pete Rittwage wrote: I did some lookup on the reflow temperatures for various solder materials because my gut told me 250 degrees is too low to do any good. Turns out this is so. 250 CELCIUS maybe, but Fahrenheit? not. https://www.google.com/search?q=melting+p

Re: IBM 5160 with oddball MDA input/output card

2019-07-27 Thread Jay Jaeger via cctalk
On 7/26/2019 12:47 PM, Jules Richardson via cctalk wrote: > > That's an interesting beast. I did wonder if this was something along > those lines, too, i.e. a non-x86 processor card for the purposes of > emulating something else - but the only one I'm aware of is the XT/370, > and I don't believe