Chiron FZ 18 S retrofit

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27 Feb 2022 10:36 #235902 by tommylight
Replied by tommylight on topic Chiron FZ 18 S retrofit
20 s32 RW 1991729 servo-thread.tmax
Did you disable power saving and virtualization in BIOS?

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27 Feb 2022 10:40 - 27 Feb 2022 10:40 #235904 by radom
Replied by radom on topic Chiron FZ 18 S retrofit
there is nothing really to disable in bios, it's very limited options
I started with 214.000 latency with isolcpus=1 noirqbalance is 110.000
but it's slow as sh*t
I think it was just a wrong purchase
Last edit: 27 Feb 2022 10:40 by radom.

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27 Feb 2022 20:23 #235945 by rodw
Replied by rodw on topic Chiron FZ 18 S retrofit
What PC?
Soiunds like a Laptop.

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27 Feb 2022 20:27 #235946 by radom
Replied by radom on topic Chiron FZ 18 S retrofit
Fujitsu Futro S720

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27 Feb 2022 23:47 - 27 Feb 2022 23:51 #235963 by PCW
Replied by PCW on topic Chiron FZ 18 S retrofit
Looks to be a pretty slow CPU, You might try a even slower servo
thread at least temporarily (say 1.5 ms)

Also isolcpus may improve interrupt latency but make
network timing worse on a slow machine.
Last edit: 27 Feb 2022 23:51 by PCW.

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01 Mar 2022 11:32 - 01 Mar 2022 11:33 #236093 by radom
Replied by radom on topic Chiron FZ 18 S retrofit

Looks to be a pretty slow CPU, You might try a even slower servo
thread at least temporarily (say 1.5 ms)

Also isolcpus may improve interrupt latency but make
network timing worse on a slow machine.


edit mistake


 

Last edit: 01 Mar 2022 11:33 by radom.

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03 Mar 2022 15:41 #236269 by radom
Replied by radom on topic Chiron FZ 18 S retrofit
I bought used dell optiplex 780 and can't even start the installer, screen turns black and that's it
md5sum is ok, windows7 boots and works ok, but no matter what I choose, install, graphic install or live cd it just turns to black screen
 

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03 Mar 2022 15:44 #236270 by tommylight
Replied by tommylight on topic Chiron FZ 18 S retrofit
Boot, hold down "shift" button, when you get the grub screen press "E", then add:
nomodeset
after "quiet splash"

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03 Mar 2022 16:06 - 03 Mar 2022 16:07 #236273 by radom
Replied by radom on topic Chiron FZ 18 S retrofit
what grub screen?
you mean here?
still black screen
 
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Last edit: 03 Mar 2022 16:07 by radom.

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03 Mar 2022 17:17 #236279 by tommylight
Replied by tommylight on topic Chiron FZ 18 S retrofit
Optiplex 780 normally came with an add on graphic card, is it still there?
If yes, shut the PC down and remove the graphic card.

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