On Wed, Apr 20, 2016 at 05:17:02PM -0700, Rick Thomas wrote: > One personal experience that may be relevant: > > I ordered a Cubox-i4x4 from NewEgg a few months ago. When it arrived it > was clearly marked as a 4x4, and in the original shrink-wrap, But it > only had 2GB of RAM. I notified NewEgg and they tested one of the other > one's of that batch they had in stock. Surprise! It also had only 2GB > RAM... They gave me a rebate of the difference in price between the > i4-Pro and the 4x4 and we considered the matter closed. > > But it might be worth checking, anyway. > > Also, as for the (lack of) difference between USB2 and USB3 disks, the > Cubox boards all have Gbit Ethernet ports, but they are limited to > 480Mbit actual throughput rate. I assume this is because the SoC > handles everything thru a USB2 driver circuit, though I'm not privy to > any actual design information. You may be seeing a similar thing here.
Well errata entry ERR004512 of http://cache.freescale.com/files/32bit/doc/errata/IMX6DQCE.pdf?fpsp=1&WT_TYPE=Errata&WT_VENDOR=FREESCALE&WT_FILE_FORMAT=pdf&WT_ASSET=Documentation seems to say that's the limit for ethernet throughput on the imx6 and it isn't going to change. Doesn't say why that is the limit. -- Len Sorensen