ASRock H81M-HDS - Manual (Page 18)

16
English
ATX 12V Power
Connector
(4-pin ATX12V1)
(see p.1, No. 1) This 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.
Infrared Module Header
(5-pin IR1)
(see p.1, No. 20) This header supports an optional
wireless transmitting and
receiving infrared module.
Serial Port Header
(9-pin COM1)
(see p.1, No. 18) This COM1 header
supports a serial port
module.
Chassis Intrusion Header
(2-pin CI1)
(see p.1, No. 13) 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.
TPM Header
(17-pin TPMS1)
(see p.1, No. 19) 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.
GND
IRRX
DUMMY
+5VSB
IRTX
1
CCTS#1
RRTS#1
DDSR#1
DDTR#1
RRXD1
GND
TTXD1
DDCD#1
1
RRI#1
1
Signal
GND