戴尔主板的前置面板接口针脚.doc

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1、34针插座针脚定义如下：Fromthepin-side:PIN----DESCRIPTION-->CONNECTSTO1INTRUDER3-->INTRUDER3,FNT3225vPower-->FNT3,FNT435vPower-->FNT2,FNT445vPower-->FNT2,FNT35LEDVCC-->CTRL6thruR19,CTRL14thruR206GNDLEDESUP7LEDPSON8INTRUDER5-->INTRUDER59GND-->GND10GND?-->GND?11GND-->GND12USB1(b

2、ottom)Data-(white)13USB1(bottom)Data+(green)14GND-->GND15USB5V+(bothports)16GND-->GND17USB2(top)Data-(white)18USB2(top)Data+(green)19GND-->GND20PWRSWITCHLEFTSIDE(Both)-->CTRL221Pinremoved—22HDDLEDNEG-->CTRL423PWRLEDGREENPOS-->CTRL524ESUPLEDNEG-->CTRL1325GND-->GND26?

3、27PWRLEDYELLOWPOS-->CTRL928ESUPSWITCHRIGHTSIDE(Both)-->CTRL829GND-->GND30INTRUDER1-->INTRUDER131EXT_SPK2-->EXT_SPK232INTRUDER3-->INTRUDER333EXT_SPK4-->EXT_SPK434EXT_SPK1-->EXT_SPK1