Thank you for the replies. I would like to use my version of beagle without eMMC fitted. Could you confirm if this is possible?
In our application we would always boot from SD card so we have created our version of beagle with eMMC IC not fitted. Is this it feasible to operate it in this way? On Wednesday, 26 February 2014 15:45:18 UTC, Gerald wrote: > > Well. Uh. I have no idea what your design looks like. But, the code you > are using looks for the EEPROM. Do you have one? If you do. is it > programmed? > > Gerald > > > > On Wed, Feb 26, 2014 at 9:25 AM, <lee....@bibby-scientific.com<javascript:> > > wrote: > >> I can now confirm that my PCB supplier has now successfully fitted >> connectors P8, P8 and I have taken delivery of my first-off sample. >> Gerald, are you able to point me to some instructions on how I get my >> "virgin" beagleboardblack up and running? >> I have tried using an SD card with a known good android image but this >> does not work, the error I get from hyperterminal is: >> >> U-Boot SPL 2011.09 (Nov 27 2013 - 10:43:10) >> >> Chipsee AM335x EVM Board >> >> Incorrect magic number in EEPROM >> >> read_eeprom() failure. continuing with ddr3 >> >> OMAP SD/MMC: 0 >> >> mmc_send_cmd: timedout waiting for cmddis! >> >> ** Can't read from device 0 ** >> >> spl: fat register err - -1 >> >> ### ERROR ### Please RESET the board ### >> >> I'm not surprised that it doesn't yet work because there must be some >> programming/setup to be done on the board itself before it will operate and >> this hasn't yet been done. >> >> I think I may have to program the E2..? >> >> Could you help me with that procedure please? >> >> On Tuesday, 18 February 2014 16:10:00 UTC, lee....@bibby-scientific.comwrote: >>> >>> Thank you Gerald. I will confirm if that is the case when I see the >>> sample. >>> >>> On Tuesday, 18 February 2014 16:06:10 UTC, Gerald wrote: >>>> >>>> We did tighten them up along time ago, so that is most likely the issue >>>> they think they have. >>>> >>>> Gerald >>>> >>>> >>>> >>>> On Tue, Feb 18, 2014 at 9:45 AM, <lee....@bibby-scientific.com> wrote: >>>> >>>>> Thank you for the speedy response Gerald. >>>>> >>>>> The PCB files used were those contained in Beaglebone_blackrevB4_MFG. >>>>> zip >>>>> >>>>> Is it likely the holes were deliberately under-sized to the datasheet >>>>> to give the tight fit you mention. >>>>> >>>>> I am yet to see the problem physically for myself. The PCB supplier >>>>> is sending the board to me so I can assess. >>>>> >>>>> On Tuesday, 18 February 2014 13:43:18 UTC, Gerald wrote: >>>>> >>>>>> We don't have any issues. We do look for a tight fit to prevent >>>>>> moving during the soldering process. We have used these same connectors >>>>>> for >>>>>> a very long time now without issue. >>>>>> >>>>>> Which PCB files did you use? >>>>>> >>>>>> Gerald >>>>>> >>>>>> >>>>>> >>>>>> On Tue, Feb 18, 2014 at 6:41 AM, <lee....@bibby-scientific.com>wrote: >>>>>> >>>>>>> >>>>>>> I hope someone can help with this. >>>>>>> >>>>>>> I am currently getting some BBB PCBs manufactured. I have used the >>>>>>> gerber data and BoM supplied but the PCB manufacturer is reporting an >>>>>>> issue >>>>>>> with the specified connectors not fitting because the PCB hole size is >>>>>>> too >>>>>>> small to take the pins. >>>>>>> >>>>>>> The connector specified is: SSHS-123-D-02-GT-LF which has >>>>>>> recommended hole size of 0.040 (1.2mm) >>>>>>> >>>>>>> The PCB manufacturer is telling that the hole size in the drill file >>>>>>> is: T04 Holesize 4. = 30.000000 Tolerance = +3.000000/-3.000000 PLATED >>>>>>> MILS >>>>>>> Quantity = 96 >>>>>>> >>>>>>> The data I have sent to them is from the file: >>>>>>> Beaglebone_blackrevB4_MFG.zip >>>>>>> >>>>>>> I am unsure what has happened here. Obviously these boards can be >>>>>>> manufactured with the data. >>>>>>> >>>>>>> I'd be grateful of any input and also if anyone can specify a >>>>>>> connector that will fit holes of that size? >>>>>>> >>>>>>> Many Thanks. >>>>>>> >>>>>>> -- >>>>>>> For more options, visit http://beagleboard.org/discuss >>>>>>> --- >>>>>>> You received this message because you are subscribed to the Google >>>>>>> Groups "BeagleBoard" group. >>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>> send an email to beagleboard...@googlegroups.com. >>>>>>> >>>>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>>>> >>>>>> >>>>>> -- >>>>> For more options, visit http://beagleboard.org/discuss >>>>> --- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "BeagleBoard" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to beagleboard...@googlegroups.com. >>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>> >>>> >>>> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to beagleboard...@googlegroups.com <javascript:>. >> For more options, visit https://groups.google.com/groups/opt_out. >> > > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. 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