Onboard Headers And Connectors - ASROCK iBOX-155B User Manual

4.4 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.
SATA3 Connector
(SATA_1: see p.15, No. 4)
USB 2.0 Connectors
(9-pin USB2H_0_1)
(see p.15 No. 27)
(9-pin USB2H_2_3)
(see p.15 No. 27)
System Panel Header
(9-pin PANEL1)
(see p.15 No. 11)
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.
22
DUMMY
GND GND
+A
+B
-B -A
USB_PWR USB_PWR
1
GND
GND RESET#
GND
PWRBTN#
PLED- HDLED-
PLED+ HDLED+
1
This Serial ATA3 (SATA3) con-
nector supports SATA data cables
for internal storage devices. The
current SATA3 interface allows
up to 6.0 Gb/s data transfer rate.
There are two USB 2.0 connectors
on this motherboard. Each USB
2.0 connector can support two
USB ports.
This header accommodates
several system front panel
functions.