Interesting. This can be bought with quite a lot of memory. Maybe it is
time to change the default runnix to support hi memory so we can get access
to it. There also seems to be a version without wifi antenna connections,
but strangely that is slightly more expensive.
My APU2 is humming along quite nicely, but should it fail this looks like a
good replacement. Really interesting that it runs cooler and at lower
power consumption.
David
On Sun, Apr 23, 2017 at 8:30 AM, Lonnie Abelbeck <li...@lonnie.abelbeck.com>
wrote:
> A newly released hardware description and configuration has been added to
> the AstLinux documentation:
>
> Qotom Q190G4N-S07 Celeron J1900 Fanless Appliance
> https://doc.astlinux-project.org/userdoc:board_qotom_q190g4n-s07
>
> I personally purchased a barebone Q190G4N-S07 via Amazon direct from Qotom
> in Hong Kong:
>
> Barebone 4 Lan J1900 Router Qotom-Q190G4N-S07 ...
> https://www.amazon.com/dp/B01N645UJB/
>
> Or also available worldwide via AliExpress:
>
> NEW Mini pc X86 4*Lan Qotom-Q190G4N with celeron J1900 quad core 4*usb VGA
> firewall Multi-function router
> https://www.aliexpress.com/item/NEW-Mini-pc-X86-4-Lan-
> Qotom-Q190G4N-with-celeron-J1900-quad-core-4-usb-VGA/32785346279.html
>
> The PC Engines APU2 runs AstLinux quite well, and offers a good comparison
> with this Qotom. The Qotom and PC Engines APU2 are approximately the same
> price for me ...
>
> Qotom-Q190G4N-S07 = $ 117.00 + $ 33.64 shipping (USD)
> (2 GB RAM $ 15-20 and mSATA SSD extra)
>
> APU2c2 + case + power = $ 120.40 + $ 30.50 shipping (USD)
> (mSATA SSD extra)
>
> The Q190G4N-S07 is about 2x the performance of the APU2, essentially same
> power consumption, a first-class machined aluminum black case (idles 15
> deg.C cooler) vs. the APU2 sheet metal case, one extra NIC. Additionally,
> the Qotom does not require any tedious assembly, simply add 4 rubber feet,
> RAM and mSATA SSD by removing 4 screws.
>
> The APU2 has AES-NI support and soldered 2 GB RAM (pro and con since it is
> not changeable), has a serial port and a piezo buzzer, the Qotom has
> neither. The Qotom has a VGA console port.
>
> Physically the Qotom occupies only 75 % of the table area vs. the APU2,
> but is quite heavy at 830 grams (1.8 lbs) per it's substantial aluminum
> case.
>
> I placed my order on a Friday, it shipped on the following Monday and I
> signed for the package Wednesday noon. Quite amazing !
>
> Note: Shipped via DHL which required a signature on delivery.
>
> Total system power at idle is only 5 Watts without a VGA connection. The
> case is only barely warm to the touch. The CPU temperature is around 38-40
> deg.C at room temperature and idle.
>
> I performed a standard iperf test (client-iperf -> LAN-qotom-WAN ->
> server-iperf), the qotom will route at Gb line speed (912 Mbps) at 90% idle
> (via top).
>
> The OpenVPN test took 37.6 seconds, with a measured maximum OpenVPN
> throughput of 125 Mbps.
> --
> openvpn --genkey --secret /tmp/secret
> time openvpn --test-crypto --secret /tmp/secret --verb 0 --tun-mtu 20000
> --cipher aes-256-cbc
> --
>
> The BIOS defaults to first boot off a USB drive, so install an mSATA SSD,
> boot with a USB flash drive containing the bootable AstLinux Install ISO -
> Generic x86-64bit (Video Console), then interacting via the VGA console
> install to the mSATA SSD.
>
> Clearly there is no one best AstLinux hardware solution, but in my limited
> testing, the Qotom Q190G4N-S07 is a great fit for AstLinux.
>
> The Qotom Q190G4N-S07 has run solidly for a few days, further updates as
> needed.
>
> Lonnie
>
>
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