View Single Post
  #16   Report Post  
Posted to sci.electronics.repair
JW JW is offline
external usenet poster
 
Posts: 139
Default Is this computer problem fixable ?

On 30 Jan 2007 04:28:47 -0800 "w_tom" wrote in Message
id: .com:

Second, USB port is suppose to current limit current to 100 ma.


Only for a low power hub. A high power hub can deliver 500mA. Power
requirements for the attached device are negotiated with the upstream
controller.