08-18-14 04:23 mark lewis wrote to Ed Vance about Hibernating XP Burps!   
      
    ml> @MSGID: <53F279B8.13178.windowsa@capcity2.synchro.net>   
    ml>  On Sat, 16 Aug 2014, Ed Vance wrote to mark lewis:   
      
    EV> The LED on the USB cable went Off as I expected it to do.   
      
    EV> The only other thing I thought of when I was turning the box Off   
    EV> (Kibernating) was the USB cable gets its power from either the 12   
    EV> volt or the 5 volt supply, Maybe the other power supply still has   
    EV> some charge to it that is doing something while I turn the UPS Off.   
      
    ml> yes, that is also a possibility... many usb hubs that i'm aware   
    ml> of do not use diodes on the power lines so the power from the   
    ml> hub also flows back into the computer... a friend's dell system   
    ml> had problems due to a usb hub like this... we always had to   
    ml> unplug the usb hub before trying to turn the machine on or   
    ml> reboot it for any reason... it was quite aggrivating...   
      
   Howdy! Mark,   
      
   I use USB Hubs that come with a external wall wart power supply instead   
   of the power supplied by the computer to the USB Hub.   
      
   I figure if I want to plug some USB device in a Hub I don't want the   
   Hub to have insufficient power to run that device.   
      
   As usual I try to learn as much as I can.   
      
   I consider myself knowlegable enough about Computer Stuff to be   
   considered dangerous.   
      
   I am glad Your Friend figured out a work around to use his DELL.   
   Computers do get aggrevating at times don't they?   
      
   ... I ruin my day when I've put the Left Sock on my Right Foot.   
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