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发表于 2006-10-29 16:41
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1.14 Onboard Power Button
! r3 r5 n* m: h& d" R9 m9 P- nCAUTION; @4 ] M" x3 H& w4 w
Electrostatic discharge (ESD) can damage components. The onboard power button
5 X% {& x8 ]/ S1 R: ]0 |should be used only at an ESD workstation using an antistatic wrist strap and a3 W/ @& l. s& t! U# D
conductive foam pad. If such a station is not available, some ESD protection can be1 D& u! M* G$ `" _' @: O# f
provided by wearing an antistatic wrist strap and attaching it to a metal part of the/ e- C4 g! M; E" f6 T6 \
computer chassis.- m& y3 _" ?7 R* _ Q4 v# m- o
The board provides a power button that can be used to turn the computer on or off.
) a/ I* V- e! f# F9 oThis button is intended for use at integration facilities to remove standby power before
/ S0 G) u2 h3 _ H& z" n$ p0 h- cmaking changes to the system configuration, or for testing purposes.
2 {, G- s5 o0 J* O' ~The power button on the front panel is recommended for all other instances of turning
9 b$ W; c! i' ~. _! kthe computer on or off. To turn the computer off using the onboard power button," v: x* B; ^4 n4 t9 I
keep the button pressed down for three seconds.8 m6 X8 j7 v9 Z& l4 B
4 }- F$ N$ n9 R2 B1.15 Onboard LEDs
+ f; r8 t* }5 G, F: Y3 V! _In addition to the standby power indicator, the board contains two LEDs that indicate
" n& z0 H. z' d; b6 Kthe following:
& l3 L# p; O7 D6 s+ I; R+ L7 |% g6 V• The CPU LED indicates an elevated temperature on the processor that could effect5 | @6 t+ [% S1 H
performance
# W( J% q9 c" @# \* I• The VR LED indicates an elevated temperature in the processor voltage regulator
, n3 s" L, W: Zcircuit that could effect performance/ F$ \: j( o* O: v1 P
Figure 16 shows the locations of the LEDs. |
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