Onboard Headers And Connectors - ASROCK Rack C226M WS User Manual

2.7 Onboard Headers and Connectors

Onboard headers and connectors are NOT jumpers. Do NOT place jumper caps over these
headers and connectors. Placing jumper caps over the headers and connectors will cause
permanent damage to the motherboard.
Please see p.6, p.7 or p.8 for the motherboard layout.
System Panel Header
(9-pin PANEL1)
(No. 18)
PWRBTN (Power Switch):
Connect to the power switch on the chassis front panel. You may conigure the way to turn
of 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. he LED is on when the
system is operating. he LED keeps blinking when the system is in S3 sleep state. he LED is
of when the system is in S4 sleep state or powered of (S5).
HDLED (Hard Drive Activity LED):
Connect to the hard drive activity LED on the chassis front panel. he LED is on when the
hard drive is reading or writing data.
he front panel design may difer 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.
20
PLED+
PLED-
PWRBTN#
GND
1
GND
RESET#
GND
HDLED-
HDLED+
Con nec t t he power sw itch,
reset switch and system status
i nd ic ator on t he cha ssis to
this header according to the
pin assignments below. Note
the positive and negative pins
before connecting the cables.