On Saturday 15 August 2020 18:10:52 John Dammeyer wrote: > Hi Gene, > > > Its big and bulky as I started about 5 years ago with a Mesa 7i90 > > and bad grounding, too many loops generated enough noise I destroyed > > the 1st 2 7i90's, So I cleaned up my grounds AND invested in 3 > > 7i42TA's which helped the wireing immensely, and gobbled up the > > remaining noise, but the Mesa bill was up to a bit over 200 bucks by > > then. Bulky because the pi is upside down so the 26 pin header had > > a short direct shot at the bigger 7i90's 26 pin header, so there's > > only maybe 1.125" of cable between them. The 7i42TA's are stacked > > like stair-steps on top of the 7i90. That 7i90 is damaged, stepper > > out #0 is no more. > > The reality that you are using a Pi4 or an AMD motherboard from 2005 > to 2019 is then just not really important. > > It's what's between that and the mechanicals and it's not the Pi4. > It's MESA. An OrangePi may only be around for a couple of years. > Then discontinued.
Ditto the hardkernel stuff from south korea. What I bought 5 years ago has already been disco'd. It was good but they are stuck in media mode and wouldn't deign to answer any post about a realtime kernel. > Maybe in 20 years I won't care. Guaranteed I won't, the next b-day I'm looking at before the snow comes this fall is my 86th, and while I've stared down that guy with the scythe and made him blink first 3 times now, I am also a long term DM-II, here only because of spare parts and a valve kit installed in my heart now, by some very talented people in the Cath-Lab at WVU/Ruby in Morgantown. > But I really don't want to be > changing out my hardware every 2 or 3 years. > A very valid concern John, regardless of the number of calendars thrown away. Stay safe and well now. Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis Genes Web page <http://geneslinuxbox.net:6309/gene> _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
