ASROCK IMB-151 User Manual page 20

SATA Power Output Connector
(4-pin SATA_PWR1)
(see p.8 No. 16)
Chassis Intrusion Headers
(2-pin CI1, CI2: see p.8, No. 15)
Internal COM Port Headers
COM1 (RS232/422/485)*
COM2, 3, 4, 6 (RS232)
(9-pin COM1~6: see p.8, No. 7)
* This motherboard supports RS232/422/485 on COM1 port. Please refer to below table for the pin deinition. In
addition, COM1 port (RS232/422/485) can be adjusted in BIOS setup utility > Advanced Screen > Super IO
Coniguration. You may refer to page 30 for details.
PIN
1
2
3
4
5
6
7
8
9
10
TPM Header
(19-pin TPM1)
(
see p.8, No. 14)
GND +12V
1
+5V GND
PIN Signal Name PIN
2
2 1
4
6
8
10
COM1 Port Pin Deinition
RS232
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
+5V/+12V
NC
20
This motherboard supports
CASE OPEN detection feature
that detects if the chassis cover
has been removed. This feature
requires a chassis with chassis
intrusion detection design.
RRXD 1
DDTR# 3
DDSR# 5
CCTS# 7
COM1/3/4/6: +5V/+12V
NC 9
COM2: +5V/+12V/+5VSB
RS422 RS485
TX- RTX-
RX+ N/A
TX+ RTX+
RX- N/A
GND GND
N/A N/A
N/A N/A
N/A N/A
+5V/+12V +5V/+12V
NC NC
This connector supports a
Trusted Platform Module (TPM)
system, which can
securely store keys, digital
certiicates, passwords, and
data. A TPM system also helps
enhance network security,
protects digital identities, and
ensures platform integrity.
Signal Name
DDCD#
TTXD
GND
RRTS#