I have just solved the problem mentioned by my previous post.  The timeout
problem might be caused by the slow response of Quantum LPS240AT, so I 
just increase the WDCNDELAY in wd.c from 400000 to 800000 and the timeout
is gone.  Everything goes fine so far.

-- 
   ________________________________________________________________________
  /             National Chiao Tung University in Taiwan                 / \
 |  Name: Yeng-Chee Su              Dept:  Computer Engineering         |__/
 |  Phone: +886-35-783513           E-mail: yenchee@csie.nctu.edu.tw    |
 |  Address: 22, Alley 2, Lane 173, Gao Tsui Road, HsinChu, Taiwan 300  |___ 
  \______________________________________________________________________\__/

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