|
|
2#

楼主 |
发表于 2006-10-29 16:41
|
只看该作者
1.14 Onboard Power Button# R. J6 P4 A F
CAUTION
; Y% [: q: U8 B/ ^$ s2 B/ l2 iElectrostatic discharge (ESD) can damage components. The onboard power button/ i2 Z; ~. B! ^. k4 V; Y' ^2 k
should be used only at an ESD workstation using an antistatic wrist strap and a# ^6 h! B5 {: R# k
conductive foam pad. If such a station is not available, some ESD protection can be
3 o8 t* R' y; F8 |( ?provided by wearing an antistatic wrist strap and attaching it to a metal part of the
2 Q; a7 \- q+ i2 Q4 `# ycomputer chassis.& m% \- H( Q% Z' |) s
The board provides a power button that can be used to turn the computer on or off., d- b0 T, B f& A# j. `
This button is intended for use at integration facilities to remove standby power before* v! T: `8 r O% S- Y, t- W
making changes to the system configuration, or for testing purposes.
6 E$ Y o3 _4 q9 n/ s1 g9 XThe power button on the front panel is recommended for all other instances of turning
: x; {' ?$ ]! Ithe computer on or off. To turn the computer off using the onboard power button,
- n6 Y5 o. r, u1 Jkeep the button pressed down for three seconds., Y: v# \+ A7 w9 k2 Y! t6 d3 }
4 E6 m3 ?. ^. B+ X3 s
1.15 Onboard LEDs
& m2 ]0 b/ t- r' AIn addition to the standby power indicator, the board contains two LEDs that indicate8 i5 i6 g( L. v5 ~* G+ D
the following:
0 e" A; H ^+ b2 U' j• The CPU LED indicates an elevated temperature on the processor that could effect7 C3 z! V1 A3 T* Q! X" ?
performance
& ]5 \, C- J; G+ T Z a5 V( e• The VR LED indicates an elevated temperature in the processor voltage regulator4 i- E4 W8 I6 t
circuit that could effect performance* W6 @+ r# M9 x' z0 I d& Q! Z
Figure 16 shows the locations of the LEDs. |
|