H81 Pro BTC R2.0
21
English
ATX 12V Power
Connector
(8-pin ATX12V1)
(see p.1, No. 4)
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.
PCIe Power Connectors
(4-pin PCIE_PWR1)
(see p.1, No. 24)
(4-pin PCIE_PWR2)
(see p.1, No. 18)
Please connect these
connectors to the
power supply when
three graphics cards
are installed on this
motherboard.
Infrared Module Header
(5-pin IR1)
(see p.1, No. 21)
This header supports an optional
wireless transmitting and
receiving infrared module.
Serial Port Header
(9-pin COM2)
(see p.1, No. 20)
This COM2 header
supports a serial port
module.
TPM Header
(17-pin TPMS1)
(see p.1, No. 6)
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
4 1
8 5