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Old 12-11-2007, 11:51 PM   #1
Registered: Dec 2003
Location: Taipei TAIWAN
Distribution: live cd
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Question USB 2.0 LAPTOP become usb 1.0 laptop ?

My ecs 536s laptop recently has very strange behavior... like usb 2.0 enabled chipset only process usb 1.0 or 1.1 bandwide!

I check with ubuntu device manager and discover that my usb device can only get about 12 mbit/s or 1.5 mbit/s ! but my usb 2.5 hard disk is usb 2.0 certified indeed .

what's going wrong ? hardware fault ? usb chipset ruined? or otherwise ?

please help me.
Old 12-12-2007, 01:07 AM   #2
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Registered: Aug 2005
Location: Fresno, CA
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what kind of usb drive is this? the new seagate free agent drives seem to be having all sorts of issues with this.

read here.
Old 12-12-2007, 08:31 PM   #3
Registered: Dec 2003
Location: Taipei TAIWAN
Distribution: live cd
Posts: 68

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I have check with many usb drive,stick,cd ...devices

still get low transfer speed like usb 1.0 !

what's going wrong ?

can a usb controller chip damage so easily ?

even in windows xp os the problems still there.


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