The scanner had its own power supply, and it still does it without the scanner -would it likely be a bad Macally hub not supplying enough power?
On Thursday, December 03, 2009, at 04:22PM, "Christian Wacker" <[email protected]> wrote: >It definately isn't USB1 that is causing the problems... it's the >person who told you that. >it is that the Scanner is drawing too much power (I'm assuming that it >doesn't have a power adapter of some sort?) >Try plugging it into a POWERED Usb hub, should fix the problem right >then and there. >I've had that happen many times, and adding a powered hub has always >fixed it because the device just needs more power, and Scotty's >already giving it all it's got. > >On Thu, Dec 3, 2009 at 5:57 PM, Clark Martin <[email protected]> wrote: >> Dennis Faulkner wrote: >>> On a related note, I am not an expert - I was told recently that I had to >>> retire my beloved AFGA scanner, because the USB ports on the back of my >>> Intel-chip IMac seem to be shorting out - every time I restart, I get the >>> USB overlimit message, stating the port will be deactivated - I have to >>> unplug all USB stuff, then restart, then plug USB stuff back in again, all >>> USB ports act the same when this happens. I was told this was a problem >>> with USB 1, that USB 1 stuff seems to short out the USB ports? Is this >>> expensive to replace these USB ports on my IMac? I finally went with an >>> all in one HP officejet 6500, the wired version. >>> >>> >> >> I've mixed and match lots of USB 1 and 2 devices on computers with USB 1 >> and 2 ports. I've occasionally run into over current warnings but never >> anything that couldn't be explained by a bus powered hub or some bad >> USB device. >> >> I suspect you have one bad piece of USB hardware that's causing trouble. >> >> It's also problem you are having a problem with your USB ports but >> that's unlikely. You could try doing a PMU reset. >> >> You can't replace the USB ports on the iMac, you'd have to replace the >> whole logic board. >> >> >> -- >> Clark Martin >> Redwood City, CA, USA >> Macintosh / Internet Consulting >> >> "I'm a designated driver on the Information Super Highway" >> >> -- >> You received this message because you are a member of the iMac Group, a >> group for those using Apple iMacs and eMacs. >> The list FAQ is at http://lowendmac.com/imac/list.shtml and our netiquette >> guide is at http://www.lowendmac.com/lists/netiquette.shtml >> To post to this group, send email to [email protected] >> To leave this group, send email to [email protected] >> For more options, visit this group at http://groups.google.com/group/imaclist >> > >-- >You received this message because you are a member of the iMac Group, a group >for those using Apple iMacs and eMacs. >The list FAQ is at http://lowendmac.com/imac/list.shtml and our netiquette >guide is at http://www.lowendmac.com/lists/netiquette.shtml >To post to this group, send email to [email protected] >To leave this group, send email to [email protected] >For more options, visit this group at http://groups.google.com/group/imaclist > > -- You received this message because you are a member of the iMac Group, a group for those using Apple iMacs and eMacs. The list FAQ is at http://lowendmac.com/imac/list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to [email protected] To leave this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/imaclist
