<PAGE>
EXHIBIT 24.1
POWER OF ATTORNEY
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<PAGE>
EXHIBIT 24.1
POWER OF ATTORNEY
POWER OF ATTORNEY
Each person whose signature appears below hereby authorizes Daniel J. Doyle or
Gayle Graham and either of them, as attorney-in-fact, to sign in his or her
behalf, individually and in each capacity stated below, and to file this
Registration Statement on Form S-8 and all amendments and/or supplements to this
Registration Statement on Form S-8.
<TABLE>
<S> <C> <C>
/s/ Daniel J. Doyle , Director, Principal Executive November 15, 2000
--------------------------------------- Officer
Daniel J. Doyle
/s/ David E. Cook , Director November 15, 2000
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David E. Cook
/s/ Sidney B. Cox , Director November 15, 2000
---------------------------------------
Sidney B. Cox
/s/ Daniel N. Cunningham , Director November 15, 2000
---------------------------------------
Daniel N. Cunningham
/s/Steven D. McDonald , Director November 15, 2000
---------------------------------------
Steven D. McDonald
/s/ Louis McMurray , Director November 15, 2000
---------------------------------------
Louis McMurray
/s/ Wanda Lee Rogers , Director November 15, 2000
---------------------------------------
Wanda Lee Rogers
/s/ William S. Smittcamp , Director November 15, 2000
---------------------------------------
William S. Smittcamp
/s/ Yoshito Takahashi , Director November 15, 2000
---------------------------------------
Yoshito Takahashi
/s/ Joseph B. Weirick , Director November 15, 2000
---------------------------------------
Joseph B. Weirick
/s/ Gayle Graham , Principal Accounting Officer November 15, 2000
--------------------------------------- and Principal Financial Officer
Gayle Graham
</TABLE>
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