Unable to find a live file system Gigabyte J1800
31 Jul 2014 21:35 #49350
by jeeybee
Replied by jeeybee on topic Unable to find a live file system Gigabyte J1800
Tried to boot with the 12.04 but end up with the Unable to find a medium containing a live file system again, just like the 10.04
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31 Jul 2014 21:57 #49351
by PCW
Replied by PCW on topic Unable to find a live file system Gigabyte J1800
Its been a while but I think I initialized a hard drive on another system and
booted from that
How did you make you USB image? I have booted the j1800D2H from
unetbootin created USB stick ubuntu images (12.04 and 14.04 IICRC)
Note that you need to enable legacy/compatibility mode in the UEFI setup
booted from that
How did you make you USB image? I have booted the j1800D2H from
unetbootin created USB stick ubuntu images (12.04 and 14.04 IICRC)
Note that you need to enable legacy/compatibility mode in the UEFI setup
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31 Jul 2014 23:27 #49353
by skunkworks
Replied by skunkworks on topic Unable to find a live file system Gigabyte J1800
I have a J1800 and J1900. Both will not recognize the usb with any of the rtai kernels.. (have tried 10.04 and the new wheezy live cd..) So you cannot boot a usb live image with rtai. It starts booting - then tries to mount the usb and fails as the usb are not found in linux. You can boot off a burned cd/dvd but you would need a ps2 mouse/keyboard to use it.
The usb ports are seen by rt_preempt. So if you install the latest linuxcnc wheezy livecd - you can pull the rt-preempt kernel from debian (I did it through synaptic). Pull linuxcnc master and build it.
wiki.linuxcnc.org/cgi-bin/wiki.pl?Uspace
rt-preempt latency on these boards are around 70us - so not that great for software stepping - but great for mesa/pico/whatever interface boards.
I have not found a solution yet for these motherboards and rtai.
sam
The usb ports are seen by rt_preempt. So if you install the latest linuxcnc wheezy livecd - you can pull the rt-preempt kernel from debian (I did it through synaptic). Pull linuxcnc master and build it.
wiki.linuxcnc.org/cgi-bin/wiki.pl?Uspace
rt-preempt latency on these boards are around 70us - so not that great for software stepping - but great for mesa/pico/whatever interface boards.
I have not found a solution yet for these motherboards and rtai.
sam
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01 Aug 2014 14:01 #49378
by jeeybee
Replied by jeeybee on topic Unable to find a live file system Gigabyte J1800
Thank you for all your help but I think I will just give up on this boad and use it to something else and buy one that works instead, its just not worth the time spent.
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01 Aug 2014 14:47 #49380
by jeeybee
I tried with both LiLi USB creator and Unetbootin, and also from CD/DVD but the external DVD is also on USB.
I even ordered a SATA DVD to try with but I think I will pass it as it seem to be much more trouble to get it working than that.
Replied by jeeybee on topic Unable to find a live file system Gigabyte J1800
Its been a while but I think I initialized a hard drive on another system and
booted from that
How did you make you USB image? I have booted the j1800D2H from
unetbootin created USB stick ubuntu images (12.04 and 14.04 IICRC)
Note that you need to enable legacy/compatibility mode in the UEFI setup
I tried with both LiLi USB creator and Unetbootin, and also from CD/DVD but the external DVD is also on USB.
I even ordered a SATA DVD to try with but I think I will pass it as it seem to be much more trouble to get it working than that.
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01 Aug 2014 14:54 #49381
by ArcEye
Replied by ArcEye on topic Unable to find a live file system Gigabyte J1800
Shame, but sometimes you have to cut your losses and spend time on something more productive.
I will make sure a suitable entry goes on the latency-test wiki to warn others off.
I personally have not used Gigabyte boards for over 15 years, since I had a very bad experience with one which crashed every time it got hot.
Eventually I found a hairline crack which opened as it got hot and crashed the board.
Had no end of trouble, could not get a refund just eventually got a new board once they conceeded the fault, after trying to blame me.
I then sold the new one at a loss and bought a proper Asus one and have never touched them since.
regards
I will make sure a suitable entry goes on the latency-test wiki to warn others off.
I personally have not used Gigabyte boards for over 15 years, since I had a very bad experience with one which crashed every time it got hot.
Eventually I found a hairline crack which opened as it got hot and crashed the board.
Had no end of trouble, could not get a refund just eventually got a new board once they conceeded the fault, after trying to blame me.
I then sold the new one at a loss and bought a proper Asus one and have never touched them since.
regards
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01 Aug 2014 15:04 #49382
by ArcEye
Done
wiki.linuxcnc.org/cgi-bin/wiki.pl?Latency-Test
Replied by ArcEye on topic Unable to find a live file system Gigabyte J1800
I will make sure a suitable entry goes on the latency-test wiki to warn others off.
Done
wiki.linuxcnc.org/cgi-bin/wiki.pl?Latency-Test
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01 Aug 2014 15:04 #49383
by jeeybee
Replied by jeeybee on topic Unable to find a live file system Gigabyte J1800
Yes I should have worked instead the same time that I spent on the board and could have bought four others ![:) :)](/media/kunena/emoticons/smile.png)
Last week I installed it on an ASUS E350N WIN8 and that worked like a charm.
Only thing was that even though the latency test showed not more that 6000 at max I had to set it to 17000 before LinuxCNC stopped giving me timing errors.
Should have bought this but for some reason I bought a MESA card with PCI-E and thats the reason I changed motherboard.
Thanks again for all the help all of you.
![:) :)](/media/kunena/emoticons/smile.png)
Last week I installed it on an ASUS E350N WIN8 and that worked like a charm.
Only thing was that even though the latency test showed not more that 6000 at max I had to set it to 17000 before LinuxCNC stopped giving me timing errors.
Should have bought this but for some reason I bought a MESA card with PCI-E and thats the reason I changed motherboard.
Thanks again for all the help all of you.
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