--- 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. l. _______________________________________________ arm-netbook mailing list [email protected] http://lists.phcomp.co.uk/mailman/listinfo/arm-netbook Send large attachments to [email protected]
