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PWRBTN (Power Switch):
Connect to the power switch on the chassis front panel. You may configure the way to turn
off your system using the power switch.
RESET (Reset Switch):
Connect to the reset switch on the chassis front panel. Press the reset switch to restart the
computer if the computer freezes and fails to perform a normal restart.
PLED (System Power LED):
Connect to the power status indicator on the chassis front panel. The LED is on when the
system is operating. The LED keeps blinking when the system is in S3 sleep state. The LED is
off when the system is in S4 sleep state or powered off (S5).
HDLED (Hard Drive Activity LED):
Connect to the hard drive activity LED on the chassis front panel. The LED is on when the
hard drive is reading or writing data.
The front panel design may differ by chassis. A front panel module mainly consists of power
switch, reset switch, power LED, hard drive activity LED, speaker and etc. When connect-
ing your chassis front panel module to this header, make sure the wire assignments and the
pin assignments are matched correctly.
SATA2 Connectors
(SATAII_1/SATAII_2: see
p.13, No. 33)
3W Audio Amp Output
Wafer
(4-pin SPEAKER1)
(see p.13, No. 27)
USB 2.0 Headers
(9-pin USB4_5: see p.13,
No. 16)
(9-pin USB6_7: see p.13,
No. 17)
24
SATAII_1
These two Serial ATA2 (SATA2)
connectors support SATA data
cables for internal storage
devices. The current SATA2
SATAII_2
interface allows up to 3.0 Gb/s
data transfer rate.
PIN
1
Besides four default USB 2.0
ports on the I/O panel, there
are two USB 2.0 headers on this
motherboard. Each USB 2.0
header can support two USB 2.0
ports.
Signal Name
1
SPK L-
2
SPK L+
3
SPK R+
4
SPK R-
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