23
COM Port Headers (RS232)
(10-pin COM1, 2, 4, 5, 6: see p.10, No. 22)
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.
PIN
Signal
Name
PIN Signal
Name PIN
Signal
Name PIN
Signal
Name
PIN Signal
Name
10
N/A
8
CCTS#
6
DDSR#
4
DDTR#
2
RRXD
9
+5V
7
RRTS#
5
GND
3
TTXD
1
DDCD#
SATA3 Connectors
These six Serial ATA3 (SATA3)
(SATA3_1~6: see p.10, No. 26)
connectors support SATA data
cables for internal storage
devices. The current SATA3
interface allows up to 6.0 Gb/s
data transfer rate.
* M.2 Key-M socket and SATA3_1 share lanes. If either one of them is in use, the other one
will be disabled.
USB 2.0 Headers
There are three headers on this
(9-pin USB2_5_6, USB2_7_8, USB2_9_10:
motherboard. Each USB 2.0
see p.10, No. 27)
header can support two ports.
DUMMY
GND
GND
P+
P-
USB_PWR
P+
P-
USB_PWR
1
SATA3_2
SATA3_1
SATA3_4
SATA3_3
SATA3_6
SATA3_5
1
2
Summary of Contents for IMB-1311-D
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