EMC on laptop

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06 Nov 2009 08:31 #1089 by anshuman
EMC on laptop was created by anshuman
Hi,

I went through the EMC supported hardware list and did not find PCMCIA cards. Can I use EMC on laptop in anyway?


Regards,

Anshuman

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07 Nov 2009 15:52 #1093 by BigJohnT
Replied by BigJohnT on topic Re:EMC on laptop
Sometimes you can run the sims on a laptop...

John

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14 Nov 2009 08:44 #1123 by anshuman
Replied by anshuman on topic Re:EMC on laptop
I guess I could use it for simulation. However, is there any way I can use EMC to control actual hardware from laptop, if so by which interface?


Regards,

Anshuman

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14 Nov 2009 10:15 #1125 by BigJohnT
Replied by BigJohnT on topic Re:EMC on laptop
You can use a laptop if the latency is not to high, but usually it is becauce of hardware problems with a laptop.

John

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19 Nov 2009 12:37 #1154 by anshuman
Replied by anshuman on topic Re:EMC on laptop
OK. But by which interface? PCMCIA?


Regards,

Sachin

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19 Nov 2009 18:34 #1155 by BigJohnT
Replied by BigJohnT on topic Re:EMC on laptop
The interface does not matter as it is not a graphics issue but issues with laptops and power saving "features".

John

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10 Dec 2009 15:18 #1297 by Tim.G
Replied by Tim.G on topic Re:EMC on laptop
Running any CNC software on a laptop is very risky, I have pent days trying to get MACH3, Linuxcnc and a few others running on a laptop. It is just not worth the time and effort.
To save battery power and weight of the hardware, many functions usually supported in custom hardware gets dumped onto the CPU: this makes for very bad latency.

Drivers and power saving features on the laptop also makes it difficult to configure. Imagine the laptop going into power-save while milling, just because there has not been any keyboard/mouse activity for a while.
If it is your intention to spend weeks debugging however, go ahead, this will give plenty practice.

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03 Jan 2010 10:38 - 03 Jan 2010 10:42 #1419 by step4linux
Replied by step4linux on topic Re:EMC on laptop
Does anyone have any practical experience with PCMCIA or ExpressCard parallel port interfaces, positive or negative ?

BTW: laptops are not necessarily that bad. My experience is: switch off SMI interrupt, then latency is good enough. (<20 usec).
I worked for a while now an old Dell laptop without any problem.
But now I killed one output of the parallel port. This is the real problem of laptops :cheer:

regards, Gerd
Last edit: 03 Jan 2010 10:42 by step4linux. Reason: added BTW

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