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发表于 2006-10-29 16:41
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1.14 Onboard Power Button! ^! O5 Y$ T0 O' y' |
CAUTION
/ @: H& k( C! E- k6 p' `Electrostatic discharge (ESD) can damage components. The onboard power button
5 ]2 U+ s: Y$ W* q _should be used only at an ESD workstation using an antistatic wrist strap and a
0 y( ?" R' x, n3 [! k- j! oconductive foam pad. If such a station is not available, some ESD protection can be4 g9 D; a2 i5 R
provided by wearing an antistatic wrist strap and attaching it to a metal part of the& S1 U% [% Q+ P! e/ M n( \
computer chassis.
$ l4 _2 }; A% TThe board provides a power button that can be used to turn the computer on or off.
+ _: Q6 h9 z3 PThis button is intended for use at integration facilities to remove standby power before
% P, B9 Y3 K$ s# d# W( mmaking changes to the system configuration, or for testing purposes.
4 P) p. c( I5 C5 p. t4 A L P' s. QThe power button on the front panel is recommended for all other instances of turning' N9 H# R7 c* {0 v2 m5 |( u, [
the computer on or off. To turn the computer off using the onboard power button,; G- ~! C* R7 {9 y1 p* F0 J
keep the button pressed down for three seconds./ @% |7 t$ }" {2 \3 W' g0 H
1 G6 }2 p" ~, H1 o" u. h, g* T
1.15 Onboard LEDs( t8 H. v( o# x8 \. a- e' k2 e' w: o
In addition to the standby power indicator, the board contains two LEDs that indicate3 Z" z2 l1 k6 M! H
the following:" V0 z% w3 n, ?: I. E$ M
• The CPU LED indicates an elevated temperature on the processor that could effect5 j' a7 U) s! c' q
performance9 g/ ]3 p% ` F2 D# t
• The VR LED indicates an elevated temperature in the processor voltage regulator+ A( p- F$ p9 r: M7 u; c- E# {
circuit that could effect performance
; {8 n: W' Z5 v9 GFigure 16 shows the locations of the LEDs. |
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