Re: [Emc-developers] new parallel port problem

2016-04-09 Thread Gene Heskett
On Saturday 09 April 2016 13:19:00 Jon Elson wrote: > On 04/09/2016 02:58 AM, Gene Heskett wrote: > > As possessor of a couple 100+ megahertz dual trace scopes, I have > > found the probes that MPJA.com sells for under a $20 bill each to be > > serviceable and a lot more ruggedly built than the st

Re: [Emc-developers] new parallel port problem

2016-04-09 Thread Gene Heskett
On Saturday 09 April 2016 12:32:38 Thomas Powderly wrote: > really? > and these 10$ probes have that special pin that Tek scopes need to > make the speed correct? Not that I am aware of, tek likely has a patent on it. These, as the link below has, have a 1x-10x switch on the handpiece which wou

Re: [Emc-developers] new parallel port problem

2016-04-09 Thread Jon Elson
On 04/09/2016 02:58 AM, Gene Heskett wrote: > > As possessor of a couple 100+ megahertz dual trace scopes, I have found > the probes that MPJA.com sells for under a $20 bill each to be > serviceable and a lot more ruggedly built than the stuff tek (or anyone > else I have sampled) sells. And the p

Re: [Emc-developers] new parallel port problem

2016-04-09 Thread Thomas Powderly
really? and these 10$ probes have that special pin that Tek scopes need to make the speed correct? whats the part number? my 2 tek scopes can use new probes tomp On 04/09/16 15:58, Gene Heskett wrote: > On Saturday 09 April 2016 00:14:37 Jon Elson wrote: > >> On 04/08/2016 09:53 PM, Jon Elson wro

Re: [Emc-developers] new parallel port problem

2016-04-09 Thread Gene Heskett
On Saturday 09 April 2016 00:14:37 Jon Elson wrote: > On 04/08/2016 09:53 PM, Jon Elson wrote: > > Slight correction. (I had a bad scope probe.) After fixing > that, I see that I AM getting the board to respond with > WAIT/, so that explains the really short strobe cycles. So, > the bus handsha

Re: [Emc-developers] new parallel port problem

2016-04-08 Thread Jon Elson
On 04/08/2016 09:53 PM, Jon Elson wrote: Slight correction. (I had a bad scope probe.) After fixing that, I see that I AM getting the board to respond with WAIT/, so that explains the really short strobe cycles. So, the bus handshakes seem to be working, but all read commands seem to return

[Emc-developers] new parallel port problem

2016-04-08 Thread Jon Elson
Hello, all, I have a customer who bought one of my Universal Stepper Controller boards. He got a Startech PCIe parallel port, and couldn't get it to work. He sent it to me, same result. I suggested a SIIG parallel port card. He had one of those shipped to me, same result, which surprised m