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Re: BerkeleyLUG meetup this Sunday 2019-02-10

On Fri, Feb 8, 2019 at 6:55 AM Rick Moen <rick@linuxmafia.com> wrote:
Quoting tom r lopes (tomrlopes@gmail.com):

> I'll be there.
> Just picked up a new single board computer NanoPi M4,
> which is like a jacked up Pi 3.
> [image: IMG_20190203_182122.jpg]
> [image: IMG_20190202_154709.jpg]

Looks like a winner at least as to RAM _relative to_ any of the RPi SoCs.

2GB RAM model $65
4GB RAM model $95

(Doesn't include optional heat sink, or case, or 12V/5A power adapter.
The heat sink would be highly recommended.)

And the other win is the pair of PCIe sockets, such that you can
potentially use real mass storage, e.g., SATA-connected SSDs or hard
drives.  _Or_ you can follow the path of least resistance and buy either
a micro SD card or an eMMC flash module.

As to the ARM-family CPU:  I see mention of Cortex-A72 and Cortex-A53,
inside a Rockchip RK3399 SoC (System on Chip).

Comparative review:

One thing to bear in mind is that _all_ ARM systems so far are
special-snowflake hardware, in the sense that, e.g., every single ARM
system requires a special kernel constructed using out-of-tree
patchsets.  Standard kernel.org code doesn't run on them.

Cheers,              "I am a member of a civilization (IAAMOAC).  Step back
Rick Moen            from anger.  Study how awful our ancestors had it, yet
rick@linuxmafia.com  they struggled to get you here.  Repay them by appreciating
McQ! (4x80)          the civilization you inherited."           -- David Brin

The PCI-e is on the 24 pin header.  I don't see any info yet on how to interface with that.  
But the manufacturer has made a prototype SATA hat that connects to that header.  


I am wondering if you could just solder a nvme to those pins instead.  Though that SATA 
hat would maybe make this into a small NAS.  

Another issue is that it is powered via the USB-C port but it is not compliant (i.e. it does not
communicate power requirements to the usb c power supply.)  


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