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I recently stopped by and was told that the CNC was dead, or at least not working right, so I took it upon myself to dismantle the motor and spindle, re-oil everything, fix the belt tension, etc. It mills aluminum just fine now, as long as you don't try to take too heavy of a cut. I'm going to start working on a PCB mount system as well. - cole
I recently stopped by and was told that the CNC was dead, or at least not working right, so I took it upon myself to dismantle the motor and spindle, re-oil everything, fix the belt tension, etc. It mills aluminum just fine now, as long as you don't try to take too heavy of a cut. I'm going to start working on a PCB mount system as well. - cole


Guys, I'd like to start using MaxNC for making PCB now, but I didn't see any PCB mount system around here. Are you guys still hanging out here? [[User:Azureviolin | Hao]] 16:09, 9 June 2012
Guys, I'd like to start using MaxNC for making PCB now, but I didn't see any PCB mount system around here. Are you guys still hanging out here? [[User:Azureviolin | Hao Zhang]] 16:09, 9 June 2012
 
=== host pc upgrading notes ===
 
 
[[User:Azureviolin | Hao]] just made MaxNC work with a dell latitude laptop (thanks Carlos for the donation of this laptop) on LinuxCNC 2.5, Ubuntu 10.04 Lucid, so he is planning to upgrade the desktop pc which was hosting the MaxNC machine before.
 
Here's two problem Hao met when he use LinuxCNC 2.5 with MaxNC
 
------------------------
 
2. emc2 doesn't run - missing lapic
This happens most usually on Ubuntu 10.04 LTS + emc2. Error messages like this:
 
....
Realtime system did not load
....
Debug file information:
insmod: error inserting '/usr/realtime-2.6.32-122-rtai/modules/rtai_hal.ko': -1 Operation not permitted
 
Additional the following lines are found in dmesg:
 
....
[    0.000000] Local APIC disabled by BIOS -- you can enable it with "lapic"
....
[  54.798391] RTAI[hal]: ERROR, LOCAL APIC CONFIGURED BUT NOT AVAILABLE/ENABLED.
 
This means your computer has a Local APIC, but it is not enabled. RTAI however expects it to be present and enabled to be able to work. You can force it to on by editing:
 
in /etc/default/grub, change
 
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
 
to
 
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash lapic"
 
afterwards run "sudo update-grub" and restart.
 
 
1.1. emc.nml changes
For configurations that have not customized emc.nml, remove the inifile line NML_FILE = emc.nml. This will cause the most up to date version of emc.nml to be used.
 
For configurations that have customized emc.nml, a change similar to this one is required.
 
Failure to do this can cause an error like "libnml/buffer/physmem.cc 143: PHYSMEM_HANDLE: Can't write 10748 bytes at offset 60 from buffer of size 10208."
 
--------------------------------------------------
 
12:21 PM, 5 Aug 2012
 




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