Machsupport Forum
Mach Discussion => General Mach Discussion => Topic started by: wnevels on June 08, 2007, 08:41:09 PM
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I was trying to finally hook up the charge pump and pin 17 keeps oscillating high to low at about 1 HZ
works fine when i first start up then i close and reopen Mach and it starts oscillating
Wes
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Dont really know what could be going on but kind of sounds like something might be interfering with the charge pump output from the computer, have a look and see if any programs are running in the background.
Hood
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I am having the same problem. What did you do to fix this problem?
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I still have it bypassed no solution yet.
Wes
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I just sent pmdx a support request. Which may or may not be answered. As much as i like PMDX boards the support is lacking i'm still waiting on a answer from about a year ago.
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I sent PMDX support an email late yesterday afternoon and by mid morning Steve Stallings had called to discuss the problem with me. Seems it may be a hardware issue and he asked me to return it to them for upgrading. He said at kernel speeds higher than 25kHZ the problem would get worse. And it did. I will have to wait till I have it back to see if the upgrade fixes the problem.
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Wow i also got a reply today with the same message.
let me know how it goes.
Wes
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I have been looking for more charge pump info. The Mach3 docs tell of info on the home page but I cannot find a reference to it. Can someone please point me to the light? Thanks.