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 M-PC / M-Touch Random DMX Output hang ups
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Posted - 17 Dec 2015 :  12:25:59  Show Profile
Hello there fellow M-PCers,

First I want to point out that I just started using M-PC.
Before I go into detail, here are the specs:

Software specs
-M-PC Version 3.44.604.0
-1 DMX Universe with ~380 used channels

Hardware specs
-Martin M-Touch

-HP EliteBook 2740p
-Windows 10 64 Bit
-Core i5 M540 @ 2.53GHz

It occurs occcasionally when I have a huge DMX Output (e.g. Strobe for all Fixtures), or fast changing DMX values on all channels.

The hang ups last for around 5 seconds. After that, the DMX Signal just continues like there was nothing.
Whats strange to me is that only the DMX signals hang up, not M-PC. I'am able to use M-PC while such a hang up happens.

Fixes I've tried so far
I've tried my M-Touch with a different PC on the exact same Light setup and there haven't been any hang ups.
-Upgradede RAM from 4 to 8GB
-Reinstalled Windows
-Reinstalled M-PC

Is it possible that my HDDs read / write speeds are too low? I don't think this would have an influence on the DMX Output tough. Possibly RAM read / write speeds?

Thanks in advance for any help!

Paul Pelletier

10024 Posts

Posted - 17 Dec 2015 :  13:13:31  Show Profile
First thing to do is to disable all power management on all USB ports/hubs

The best way to do a load test on DMX out is to patch a full universes of RGB fixtures and apply a rainbow wave to it.
Then you only need one RGB fixtures connected to monitor the output.

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