ASROCK IMB-184-PY User Manual page 18

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.
SATA3 Connectors
(SATA3_1, SATA3_2: see p.8, No. 5)
USB 2.0 Headers
(9-pin USB4_5, USB8_9:
see p.8, No. 4)
Front Panel Audio Header
(9-pin HD_AUDIO1)
(see p.8 No. 27)
SATA3_1
SATA3_2
DUMMY
GND GND
+A
+B
-A
-B
USB_PWR USB_PWR
1
OUT_RET OUT2_L
J_SENSE
MIC_RET OUT2_R
PRESENCE# MIC2_R
GN D MIC2_L
1
18
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.
Besides two USB 2.0 ports on
the I/O panel, there are two
headers on this motherboard.
Each USB 2.0 header can
support two ports.
This is an interface for front
panel audio cable that allows
convenient connection and
control of audio devices.