H8DCE User's Manual Power Fail LED The Power Fail LED connection is located on pins 5 and 6 of JF1. Refer to the table on the right for pin defi ni- tions. This feature is only available for systems with redundant power supplies. Reset Button The Reset Button connection is lo- cated on pins 3 and 4 of JF1. Attach it to the hardware reset switch on the computer case. Refer to the table on the right for pin defi nitions. Power Button The Power Button connection is located on pins 1 and 2 of JF1. Mo- mentarily contacting both pins will power on/off the system. This button can also be confi gured to function as a suspend button (see the Power Button Mode setting in BIOS).
To turn off the power when set to suspend mode, depress the button for at least 4 seconds. Refer to the table on the right for pin defi nitions. Universal Serial Bus Ports (USB0/1/2/3) Four Universal Serial Bus ports (USB2.0) are located beside the key- board/mouse ports. See the table on the right for pin defi nitions. 2-10 Power Fail LED Pin Defi nitions (JF1) Pin# Defi nition 5 Vcc 6 Control Reset Button Pin Defi nitions (JF1) Pin# Defi nition 3 Reset 4 Ground Power Button Pin Defi nitions (JF1) Pin# Defi nition 1 PW ON _ 2 Ground Universal Serial Bus Ports Pin Defi nitions (USB0/1/2/3) USB0 USB1 Pin # Defi nition Pin # Defi nition 1 +5V 1 +5V 2 PO- 2 PO- 3 PO+ 3 PO+ 4 Ground 4 Ground