We also broke the clip which holds the eithernet cable into our Classmate within 4 hours of recieving it. It seems like it was made out of a really cheap plastic which was strained when an ethernet cable with the rubber covering ( something like -
http://apcmag.com/images/apc/news/de...rnet-cable.jpg) was forced in. We put a male-female connecter which was permantly attached to the classmate.