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H11DSi-NT User's Manual
USB 2/3
The USB 2/3 header contains a header for USB ports #2 and #3. If the chassis supports
this feature, connect the Front Panel cable to this header to access USB ports #2 and #3
directly from the chassis front panel.
Front Panel USB 2.0
Header Pin Denitions
Pin# Denition Pin# Denition
1 +5V 2 +5V
3 USB_PN2 4 USB_PN3
5 USB_PP2 6 USB_PP3
7 Ground 8 Ground
9 Key 10 Ground
On Board Speaker, Battery
The motherboard's on board speaker or buzzer is at location SP1. This emits audible signals
for diagnostics and error messages. The on board back up battery is located at BT1. The
on board battery provides backup power to the on board CMOS chip, which stores the BIOS'
setup information.
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