jetway 630tcfr3a Manuale Utente

Pagina di 54
 
 
 
                                                                                                                                                                                                                                                                                                                                                         
 
 
 
 
20 
These headers are used for connecting the additional USB port plug.  By 
attaching an option USB cable, your can be provided with two additional USB 
plugs affixed to the back panel. 
 
  
 
USB2   
Pin 1 
     
 
(3)  IDE Activity LED: HDLED  
This connector connects to the hard disk activity indicator light on the case.  
(4)  Turbo LED switch: TBLED  
Since the motherboard’s turbo function is always on.  The turbo LED will 
remain constantly on while the system power is on.  You may wish to connect 
the Power LED from the system case to this lead.  See the figure below. 
(5)  Reset switch lead: RST  
This 2-pin connector connects to the case-mounted reset switch for rebooting 
your computer without having to turn off your power switch.  This is a 
preferred method of rebooting in order to prolong the lift of the system’s 
power supply.  See the figure below. 
(6)  Keyboard lock switch: KEYLOCK  
This 2-pin connector connects to the case-mounted key switch for locking the 
keyboard for security purposes.   
(7)  Speaker connector: SPKR  
 
This 4-pin connector connects to the case-mounted speaker. See the figure below. 
(8) Power 
LED: PWR LED  
The Power LED is light on while the system power is on.  Connect the Power 
LED from the system case to this pin.  
(9) Power 
switch: PWR  
This 2-pin connector connects to the case-mounted power switch to power 
ON/OFF the system.