18
Pin 1
Secondary IDE Connector
•
Two hard disks can be connected to each connector. The first HDD is referred to
as the “Master” and the second HDD is referred to as the “Slave”.
•
For performance issues, we strongly suggest you don’t install a CD-ROM or
DVD-ROM drive on the same IDE channel as a hard disk. Otherwise, the system
performance on this channel may drop.
2-6-2 Headers
(1) USB Port Headers (10-pin block): 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.
USB Port Headers
USB2
VCC
−
DATA
+DATA
GND
NC
VCC
−
DATA
+DATA
GND
NC
Pin 1
(2) IDE Activity LED: IDELED
This connector connects to the hard disk activity indicator light on the case.
(3) 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.
(4) 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.
(5) Speaker connector: SPKR
This 4-pin connector connects to the case-mounted speaker. See the figure below.
