ASROCK B85M BTC User Manual page 26

ATX Power Connector
(24-pin ATXPWR1)
(see p.1, No. 7)
ATX 12V Power
Connector
(8-pin ATX12V1)
(see p.1, No. 2)
PCIe Power Connector
(4-pin PCIE_PWR1)
(see p.1, No. 24)
Serial Port Header
(9-pin COM1)
(see p.1, No. 22)
TPM Header
(17-pin TPMS1)
(see p.1, No. 21)
24
12 24
1 13
8 5
4 1
1
This motherboard pro-
vides a 24-pin ATX power
connector. To use a 20-pin
ATX power supply, please
plug it along Pin 1 and Pin
13.
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.
Please connect a 4 pin molex
power cable to this connector
when more than three
graphics cards are installed.
This COM1 header
supports a serial port
module.
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.