On Thu, Jul 18, 2019 at 8:13 PM Richard Wilbur richard.wilbur@gmail.com wrote:
On Thursday, July 18, 2019, Luke Kenneth Casson Leighton lkcl@lkcl.net wrote:
honestly, just other people helping out - *actually* helping out with u-boot, linux kernel etc. - would be a huge relief.
I've been itching to get involved since I picked up my prototype in England but waiting (too patiently? Should I have bothered/reminded you about it earlier?)
probably :)
for the video how-to you promised to make on how to non-destructively plug the unenclosed CPU card (without the guides) into the micro-desktop case.
ah, rats.
ok. it's fine if you get it wrong as long as it's not powered up. try it and send me some photos.
* put MD PCB on a flat surface * processor goes face-up * push PCB in until it meets pins * make sure that the gap amount on each side (left, right) is equal - about 3mm * make sure it's about 1mm off the MD PCB * make sure it's DEAD level * push in GENTLY, making sure that the force applied does not make the Card PCB "rise up" (be anything other than dead-level)
if you then inspect into the tunnel, you should see no pins. actually it's perfectly fine to *deliberately* get it wrong, as long as you don't apply power.
send a photo looking into the tunnel, ok?
Would the cable-only setup be a valid way to get started?
actually that's a good test - you should see the standard allwinner USB device with "lsub"
Should I expect the micro HDMI plug to be alive?
no, not really.
I guess the earliest debug output (u-boot?) will likely be on the serial console available through the EOMA68 connector.
yes. the schematics PDF shows the pinouts. in the past i've stuffed serial port wires directly into the PCMCIA header, *and* soldered direct to a socket (!) - soldering to the MD PCB is a *lot* easier.
l.