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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 sys-
tem is in S1/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 connecting your chassis front panel module to this
header, make sure the wire assignments and the pin assign-ments are
matched correctly.
COM Port Headers (RS232)
(9-pin COM1, 2, 5: see p.7, No. 12)
PIN
9
Buzzer
(2-pin BUZZ2)
(see p.7 No. 25)
SATA3 Connectors
(SATA3_1~2: see p.7, No. 26)
USB 2.0 Header
(9-pin USB2_4_6)
(see p.7, No. 30)
Signal
Signal
PIN
PIN
Name
Name
8
CCTS#
6
NA
7
RRTS#
5
SATA3_2
SATA3_1
USB_PWR
-B
+B
GND
DUMMY
1
GND
+A
-A
USB_PWR
19
2
1
Signal
Signal
PIN
PIN
Name
Name
DDSR#
4
DDTR#
2
GND
3
TTXD
1
These two Serial ATA3 (SATA3)
connectors support SATA data
cables for internal storage
devices. The current SATA3
interface allows up to 6.0 Gb/s
data transfer rate.
There is one header on this
motherboard.
Signal
Name
RRXD
DDCD#
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