I recently installed a new motherboard in my Studio 540 (Intel Desktop Board DP55WB). After converting the power switch/power LED/HDD LED from the proprietary Dell pinout to a standard ATX pinout, all is well. However the machine won't power up when I have the front panel FIreWire connected. I'm wondering if this might be because Dell have used a proprietary pinout for it, if so, has anyone figured it out? Thanks in advance.
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