21
Chassis Intrusion Headers
This motherboard supports
(2-pin CI1, CI2: see p.8, No. 18)
CASE OPEN detection feature
that detects if the chassis cover
has been removed. This feature
requires a chassis with chassis
intrusion detection design.
COM1 Header (RS232/422/485)
(9-pin COM1: see p.8, No. 20)
LPC Header
This connector supports a
(19-pin LPC1)
Trusted Platform Module (TPM)
(
see p.8, No. 22)
system, which can
securely store keys, digital
certificates, passwords, and
data. A TPM system also helps
enhance network security,
protects digital identities, and
ensures platform integrity.
1
Signal
GND
1
2
PIN
Signal
Name
PIN Signal
Name PIN
Signal
Name PIN
Signal
Name
PIN
Signal
Name
1
DDCD#
3
TTXD
5
GND
7
RRTS#
9
+5V/+12V
2
RRXD
4
DDTR#
6
DDSR#
8
CCTS#
10
NC
PIN
RS232
RS422
RS485
1
DCD
TX-
RTX-
2
RXD
RX+
N/A
3
TXD
TX+
RTX+
4
DTR
RX-
N/A
5
GND
GND
GND
6
DSR
N/A
N/A
7
RTS
N/A
N/A
8
CTS
N/A
N/A
9
+5V/+12V
+5V/+12V
+5V/+12V
10
NC
NC
NC
* This motherboard supports RS232/422/485 on COM1 port. Please refer to below table for the pin definition.
In addition, COM1 port (RS232/422/485) can be adjusted in BIOS setup utility > Advanced Screen > Super
IO Configuration. You may refer to page 29 for details.
COM1 Port Pin Definition
COM4, 5, 6 Headers (RS232)
(9-pin COM4/COM5/COM6: see p.8, No. 20)
1
2
