ASROCK H81M-HDS User Manual page 28

ATX 12V Power
Connector
(4-pin ATX12V1)
(see p.9, No. 1)
Infrared Module Header
(5-pin IR1)
(see p.9, No. 20)
Serial Port Header
(9-pin COM1)
(see p.9, No. 18)
Chassis Intrusion Header
(2-pin CI1)
(see p.9, No. 13)
TPM Header
(17-pin TPMS1)
(see p.9, No. 19)
24
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
his motherboard pro-
vides an 8-pin ATX 12V
power connector. To use a
4-pin ATX power supply,
please plug it along Pin 1
and Pin 5.
his header supports an optional
wireless transmitting and
receiving infrared module.
his COM1 header
supports a serial port
module.
his motherboard
supports CASE OPEN
detection feature that
detects if the chassis cove
has been removed. his
feature requires a chassis
with chassis intrusion
detection design.
his connector supports
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.