Use COM1 DSR to sense redundant PSU failure?

pfraser

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PRIVATE E-2
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May 1, 2009
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I'm building a product based on the X58 Platinum SLI, and a redundant PSU. The PSU has an output that is at 5 Volt if both PSU sections are OK, but goes to 0V if one section fails. What would be the easiest way of alerting the user that one PSU section has failed (using an on screen alert). I'm not using the on-board serial port, so I could connect the PSU section fail output to (e.g.) the DSR terminal on COM1. This seems to work on a quick test. Anyone see any problems with this?

Thanks
 
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