--- crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68
On Fri, Jan 15, 2016 at 2:02 PM, Paul Boddie <[email protected]> wrote: > On Friday 15. January 2016 14.26.41 Luke Kenneth Casson Leighton wrote: >> >> naturally it took a whole lot of shouting at digikey to get them to do >> a full audit of the stock of ACT8600-QJ601-T PMICs, but i've placed an >> order for replacements - to be sent directly to me - and will be >> putting those on when they arrive. also, only 1 out of the 6 PCBs >> happened to _not_ have solder-bridges under the DDR3 RAM ICs, so i've >> ordered some replacement DDR3 RAM and will be having a go at putting >> on 78-pin BGAs with the IRDA solder station. it'll be fun to try. >> ok.... correction: it'll be fun to succeed. > > So, was it Digikey that mixed up the parts or the factory that put the wrong > IC on the board? digikey. they just sent - a second time - the exact same wrong part, after i specifically advised them on the process by which they could verify what the part was. > As for the RAM, I guess that it made for the "bring up" process, as described > in that bare-metal Ingenic work, to be slightly more exciting than it should > have been. yyyyeah.... but luckily there's debug information printed in the u-boot SPL section that allowed a diagnosis. > When you're probably only somewhat confident that the code will do > the trick, I guess it's frustrating to have defective hardware involved as > well. it's why the "reduce it to one and only one change" is so absolutely critical. > Anyway, good luck with the printing and soldering! thanks... :) l. _______________________________________________ arm-netbook mailing list [email protected] http://lists.phcomp.co.uk/mailman/listinfo/arm-netbook Send large attachments to [email protected]
