On 03/02/2017 08:30 PM, Luke Kenneth Casson Leighton wrote: > --- > crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68 > > > On Thu, Mar 2, 2017 at 8:59 PM, John Luke Gibson <[email protected]> wrote: >> On 3/2/17, zap <[email protected]> wrote: >>> My bad again. I really failed in that respect. > 's'ok zap > >>> By the way, I hope you are feeling better. > getting there > >> @Zap, in this case verbosity helps greatly. If you (for all you >> honestly knew at the time) redundantly mentioned the purpose of the >> link was presenting jxself as an alternative. >> >> In fact it would seem you were paying more attention than you (for all >> Luke honestly knew at the time) seemed to be. > yeah yesterday wasn't a good day: i learned that the NAND ICs which > are currently available are no longer compatible with the NAND BOOT > ROM on the A20. the A20's basically running out of time and i will > have to make a decision to put sub 1GB NAND ICs on-board to store the > bootloader *only*, and ship with MicroSD cards with the OS on it > instead. > > the passthrough card i can't get it up and running in a > straightforward fashion: it's going to take time. > > the microdesktop is going to need a rework as the microsd power > supply 3.3v line is back-feeding into VREFTTL of the A20 and > destabilising the processor. i'll need to put in high-speed > bi-directional level shifters. argh. > > the rk3288 is almost up and running: i destroyed one processor and > RAM with a short between the 2v and 1.5v supply, and the first board i > had working will not talk to the SYR827 or anything else on the PMIC > I2C Bus. i have three remaining boards spare which i am slowly in the > process of double-checking the I2C bus first, before putting on the > SoC and then the $40 worth of DDR3 RAM. each IC added is risky. > > all this was yesterday. > > so i am Not A Happy Bunny.
I am sure you will figure out a way. I wish you well and hope you will find that one idea to fix your problems. As for the ram I wanted, 4gb is a good amount, I needn't be greedy now. Besides, someday down the road later in the future, who knows what will happen... For now though, don't be hard on yourself okay? > > l. > > _______________________________________________ > arm-netbook mailing list [email protected] > http://lists.phcomp.co.uk/mailman/listinfo/arm-netbook > Send large attachments to [email protected] _______________________________________________ arm-netbook mailing list [email protected] http://lists.phcomp.co.uk/mailman/listinfo/arm-netbook Send large attachments to [email protected]
