ASROCK D1622D4I User Manual page 25

PSU SMBus
(PSU_SMB1)
(see p.6, No. 2)
System Panel Header
(9-pin PANEL1)
(see p.6, No. 19)
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 is off when the system is in 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.
Auxiliary Panel Header
(9-pin AUX_PANEL1)
(see p.6, No. 14)
ALERT
SMBCLK +3V
1
SMBDATA
GND
PLED+
PLED-
PWRBTN#
GND
1
GND
RESET#
GND
HDLED-
HDLED+
ALED1
LAN1_LINK_P
LAN2_LINK_P
BLK_TXRX
1
SYSTEM_FAULT_LED_P
SYSTEM_FAULT_LED_N
GND
R_CASEOPEN
D1622D4I / D1600D4I-2L2T
PSU SMBus monitors the
status of the power supply, fan
and system temperature.
This header accommodates
several system front panel func-
tions.
This header supports multiple
functions on the front panel,
including front panel SMB,
internet status indicator.
19