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(3) USB Port Headers (9-pin) : USB1/ USB2
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.
(4) 1394 Port B Headers (9-pin) : 1394
(5) IDE Activity LED: HD_LED
This connector connects to the hard disk activity indicator light on the case.
(6) Reset switch lead: RESET
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.
(7) Speaker connector: SPEAK
This 4-pin connector connects to the case-mounted speaker. See the figure below.
AUDIO
2
Pin 1
Line-Out, MIC Headers
USB1
Pin 1
USB Port Headers
(Option)
1394B
Pin 1
1394 Port 2 Headers
12
10
9
USB2
Pin 1
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