Celerron N2807 or J1900

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31 Jul 2019 07:52 #140989 by rodw
Replied by rodw on topic Celerron N2807 or J1900
Clive, if you have latency issues let me know and I'll take some pics of the BIOS settings I am using. Need to be set to C1 from memory. Look for that anyway. So long ago.

These are a couple of J1850's another Linuxcnc user found for me. Used with 4 Gb RAM for AUD $70 each



They have a Baytrail Chip which is very problematic with Linux. I could not get them to boot until he shared BIOS settings and then one of them needed the battery removing first. With Stretch, the latency now is quite good and the inbuilt wifi works fine. I tried compiling the PREMPT_RT kernel on Linux Mint based on BigJohn's instructions and it won't boot. I did see somewhere that there might be another compiler flag that should have been set.

I've seen these on Aliexpress so it would be nice to try a J1900 version to see if the wifi is still good!
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03 Aug 2019 13:41 - 03 Aug 2019 14:09 #141271 by Clive S
Replied by Clive S on topic Celerron N2807 or J1900
Update

The Gigabyte Brix BXBT-1900 Barebone Mini PC Kit, Intel Celeron Quad Core, DDR3L, HDMI/VGA, WiFi/BT, 2.5" SATA II, VESAversion .
I could not get it to run Linux. I have even tested it with a known good ssd with linuxcnc 2.7 on, that will boot up fine on several other PC's I have.

Looking at the Brix website it seems to only do Windows www.gigabyte.com/uk/Mini-PcBarebone/GB-B...rt#support-dl-driver

:(
Last edit: 03 Aug 2019 14:09 by Clive S.

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03 Aug 2019 14:11 #141274 by PCW
Replied by PCW on topic Celerron N2807 or J1900
I have a (older) BXBT-1900 and it runs Linux/LinuxCNC fine
I did install via a standard modern Linux distribution and then
installing a real time kernel and LinuxCNC
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03 Aug 2019 16:09 #141279 by tommylight
Replied by tommylight on topic Celerron N2807 or J1900
Did you try to disable UEFI in BIOS ?
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03 Aug 2019 19:03 #141288 by Clive S
Replied by Clive S on topic Celerron N2807 or J1900
Ok. Update: I take it all back the setting to change was CSM in the bios :) and disable secure boot

Thanks to all that helped.
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03 Aug 2019 20:21 #141295 by rodw
Replied by rodw on topic Celerron N2807 or J1900
Great you got it sorted. I don't need to take photos of my BIOS settings now :)
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15 Aug 2019 09:04 #142211 by GradeMind
Replied by GradeMind on topic Celerron N2807 or J1900
N2807 for me

Internal Wifi / BT Card needs to be removed physically or blacklisted and use usb wifi instead

Terminal:
lsmod
modinfo -F depends xxxxxx ( try to figure out what is using what)
sudo modprobe -r xxxxxx (temporary remove module)
rtl8723be was the name of my chip wifi/bluetooth

open file
/etc/modprobe.d/blacklist.conf
add --- "" blacklist rtl8723be ""
save

update-initramfs -u
reboot

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07 Apr 2020 13:26 #163061 by bobjr1969
Replied by bobjr1969 on topic Celerron N2807 or J1900
I have the Brix J1900 and having latency issues.
I would be interested in your BIOS settings.

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