ASROCK H470M, Manual

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ATX Power Connector
(24-pin ATXPWR1)
(see p.1, No. 5) 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.
ATX 12V Power
Connector
(8-pin ATX12V1)
(see p.1, No. 1) This motherboard
provides a 8-pin ATX 12V
power connector. To use a
4-pin ATX power supply,
please plug it along Pin 1
and Pin 5.
*Warning: Please make
sure that the power cable
connected is for the CPU
and not the graphics
card. Do not plug the
PCIe power cable to this
connector.
SPI TPM Header
(13-pin SPI_TPM_J1)
(see p.1, No. 11) This connector supports SPI
Trusted Platform Module (TPM)
system, which can securely store
keys, digital certificates, pass-
words, and data. A TPM system
also helps enhance network
security, protects digital
identities, and ensures platform
integrity.
Serial Port Header
(9-pin COM1)
(see p.1, No. 18) This COM1 header
supports a serial port
module.
12
1
24
13
4 1
8 5
1
SPI_DQ3
+3.3V
SPI_DQ2
SPI_CS0
Dummy
CLK
SPI_MISO
SPI_MOSI
GND
SPI_TPM_CS#
RST#
RSMRST#
TPM_PIRQ
CCTS#1
RRTS#1
DDSR#1
DDTR#1
RRXD1
GND
TTXD1
DDCD#1
1
RRI#1