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发表于 2006-10-29 16:41
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1.14 Onboard Power Button
# K! J7 n' d, K4 B! c. N$ A! QCAUTION
' \1 [/ F* b' J `Electrostatic discharge (ESD) can damage components. The onboard power button
: V" ~8 ]) ~1 p& n/ Xshould be used only at an ESD workstation using an antistatic wrist strap and a
k, U5 o6 O/ Jconductive foam pad. If such a station is not available, some ESD protection can be
6 R/ u8 |! C+ \ `* q# }provided by wearing an antistatic wrist strap and attaching it to a metal part of the
$ K9 V% H! o2 ]. J1 |computer chassis.6 L) t. l# S/ w$ J9 G
The board provides a power button that can be used to turn the computer on or off.
8 x+ k( {% T; U; u$ p0 ~0 mThis button is intended for use at integration facilities to remove standby power before3 d. T. q; P/ B7 Z- |
making changes to the system configuration, or for testing purposes.
# J9 @4 C' Y4 c, ?) v0 ?, V, rThe power button on the front panel is recommended for all other instances of turning
' D* W( f: I$ g* Qthe computer on or off. To turn the computer off using the onboard power button,. O9 ^- V1 v8 S
keep the button pressed down for three seconds.
7 }; i' K7 c' G& W! Q! }+ ^; P" h' s- |
: B$ d6 e. }3 `9 y4 G( E+ r1.15 Onboard LEDs
4 f7 Z+ |$ l( ?In addition to the standby power indicator, the board contains two LEDs that indicate, [4 U0 ~( T' `
the following:
) ?- \/ _* d$ _& |• The CPU LED indicates an elevated temperature on the processor that could effect: r l0 ~! V# b) F5 V2 k+ D( m4 d
performance* E3 y! X0 D% d1 _- `
• The VR LED indicates an elevated temperature in the processor voltage regulator
. f J5 i3 f/ m/ Fcircuit that could effect performance+ D/ _5 X% E+ _! S6 Q8 z* _
Figure 16 shows the locations of the LEDs. |
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