[Arm-netbook] EOMA68-A20 interface redesign

joem joem at martindale-electric.co.uk
Mon Jun 2 07:51:23 BST 2014


On Sun, 2014-06-01 at 18:22 +0100, Luke Kenneth Casson Leighton wrote:
> ok joe i've completed the routing, SATA was a bitch i had to put in
> about 4 sets of VIAs and use the POWER layer for a short duration
> around the SoC's BGA grid, but it's done.  the big parallel groups,
> RGB/TTL, HDMI, Ethernet, NAND and SD/MMC all got subtly shuffled and
> shifted but mr xul has them all grouped veery neatly together, so i
> have confidence that those subtle shifts would have added roughly the
> same length to each.
> 
> btw i chickened out of adding a RESET/POWER line by taking over one of
> the 5V lines - i feel it's too complicated to put in right now.
> 
> i'm happy for someone else to check this over - i will upload it for
> ftp download, can you let your friend know?  also i will contact the
> PCB factory we have been using, their guy patrick is extremely
> competent, he has been helping do verification of the PCBs we have
> been doing and he has helped pick up errors in the past.

Upload the gerbers and schematic and point. I download,
check and get a cost. The 2GB RAM is a winner.
(It will need a new script.fex to get it going I assume?)



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