Yes I did remove it. It should not be built any more - it has known defects.
On Sun, Nov 5, 2017 at 3:38 PM, Brian White <[email protected]> wrote: > Awesome. Thank you. Would you be averse to me putting these and some other > files that you've published into github? > > Hey did you remove the quad v4 pcb from oshpark? > > I built a set of quads last night and had a scratched up trace and > possible short between a couple of legs on the AC74 and what looks like > possibly some ground plane extended in between them. Sure enough in the > end, the m100 doesn't start with that unit installed. So I went to look at > the pcb drawing to see what the traces are supposed to be, and it's gone > from oshpark now. > > The other 2 units worked, so the alternative flash chip works, at least > for the mininal test to switch into all 4 banks and use a ur2 rom to load > dos100.co to install 0quad in all 4 banks. That must excercise about 7 or > 8k in each bank briefly, since dos100.co is almost 6k. > > -- > bkw > > On Nov 5, 2017 9:53 AM, "Stephen Adolph" <[email protected]> wrote: > >> T200 RAM PCB files are in my personal directory at Club 100. >> cheers >> Steve >> >> On Sat, Nov 4, 2017 at 7:48 PM, Brian White <[email protected]> wrote: >> >>> Doesn't matter to me. Might as well continue using club100 at least for >>> now I guess. >>> >>> I just built another 2 boards and all in all the existing method isn't >>> too bad as long as you aren't trying to produce them in numbers. >>> >>> I found an easier way to extract the pins than pulling with pliars. By >>> cracking open the insulator with cutters, cutting in-line with the pin. >>> They popped loose pretty easy. It's actually a pretty neat hack you found >>> there. The end resulting leg is tidy. >>> >>> Thanks again for providing this. >>> >>> >>> -- >>> bkw >>> >>> On Nov 4, 2017 5:58 PM, "Stephen Adolph" <[email protected]> wrote: >>> >>>> Not at all. I did it back in the day because it was clearly doable and >>>> worthwhile..efforts to improve it are great! Where should the source eagle >>>> files go? >>>> >>>> >>>> On Saturday, November 4, 2017, Brian White <[email protected]> wrote: >>>> >>>>> I actually agree! As long as you're not going to mind. >>>>> >>>>> -- >>>>> bkw >>>>> >>>>> On Nov 4, 2017 8:00 AM, "Stephen Adolph" <[email protected]> wrote: >>>>> >>>>>> It is such a simple board. I think this would be an excellent >>>>>> opportunity for someone who wants to learn Eagle!!! >>>>>> >>>>>> On Fri, Nov 3, 2017 at 9:48 PM, Brian White <[email protected]> >>>>>> wrote: >>>>>> >>>>>>> Steve, >>>>>>> >>>>>>> There IS room to install pin headers the normal way, even ordinary >>>>>>> cheap ones without needing special low profile ones. Though, low profile >>>>>>> would allow a little room for the pins to stick out of the top a little >>>>>>> without having to be shaved exactly flush with the top surface. >>>>>>> >>>>>>> So, if the components were on the underside, and the through-holes >>>>>>> were small diameter to fit round pins the normal way, and the solder >>>>>>> sode >>>>>>> of the pins were sized to match the pcb, or nipped flush after the fact, >>>>>>> then it just fits, even with common cheap pin headers with 4.2mm >>>>>>> combined >>>>>>> insulator + shoulder. >>>>>>> >>>>>>> The contact pin needs to be trimmed down to 3.6mm and the solder pin >>>>>>> needs to be trimmed down to 1.6mm (pcb thickness) >>>>>>> >>>>>>> And really, we can probably find pins ready made already close to >>>>>>> those dimensions. >>>>>>> >>>>>>> But even with the common pins, it would be a lot easier to build >>>>>>> than extracting them. >>>>>>> >>>>>>> https://photos.app.goo.gl/JJuaZyszT0z5ZQiO2 >>>>>>> >>>>>>> I'm looking for possible parts that won't even need trimming now. >>>>>>> >>>>>>> -- >>>>>>> bkw >>>>>>> >>>>>> >>>>>> >>
