ASROCK H81M-HG4 Quick Install Manual page 29

ATX 12V Power
Connector
(4-pin ATX12V1)
(see p.1, 2, 3, No. 1)
Infrared Module Header
(5-pin IR1)
(see p.1, 2, 3, No. 18)
Serial Port Header
(9-pin COM1)
(see p.1, 2, 3, No. 17)
Chassis Intrusion Header
(2-pin CI1)
(see p.1, 2, 3, No. 12)
TPM Header
(17-pin TPMS1)
(see p.1, 2, 3, No. 18)
28
IRTX
+5VSB
DUMMY
1
GND
IRRX
RRXD1
DDTR#1
DDSR#1
CCTS#1
1
RRI#1
RRTS#1
GND
TTXD1
DDCD#1
1
GND
Signal
1
This motherboard
provides an 4-pin ATX
12V power connector.
This header supports an optional
wireless transmitting and
receiving infrared module.
This COM1 header
supports a serial port
module.
This motherboard
supports CASE OPEN
detection feature that
detects if the chassis cove
has been removed. This
feature requires a chassis
with chassis intrusion
detection design.
This connector supports
Trusted Platform Module
(TPM) 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.