ASROCK B550M-C R2.0 - Page 38

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B550M-C R2.0
CPU Fan Connector
(4-pin CPU_FAN1)
(see p.7, No. 2)
is motherboard pro-
vides a 4-Pin CPU fan
(Quiet Fan) connector.
If you plan to connect a
3-Pin CPU fan, please
connect it to Pin 1-3.
ATX Power Connector
(24-pin ATXPWR1)
(see p.7, No. 7)
is 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.7, No. 1)
is motherboard
provides an 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.7, No. 17)
is connector supports SPI
Trusted Platform Module (TPM)
system, which can securely store
keys, digital certicates, pass-
words, and data. A TPM system
also helps enhance network
security, protects digital
identities, and ensures platform
integrity.
GND
+12V
CPU_FAN_SPEED
FAN_SPEED_CONTROL
4 3 2 1
12
1
24
13
4
1
8 5
1
SPI _ DQ3
SPI _ PWR
SPI _ DQ2
SPI _ CS0
Dum m y
CLK
SPI _ MISO
SPI _ MOSI
GND
SPI _ TPM_CS #
RST #
RSM R ST#
TPM _ PIRQ