User's Manual

Q470EI-IM-A
2-18
CAUTION! Do not forget to connect the fan cables to the fan connectors.
Insufcient air flow inside the system may damage the motherboard
components. These are not jumpers! Do not place jumper caps on the fan
connectors!
6. CPU and chassis fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN)
Connect the fan cables to the fan connectors on the motherboard, ensuring
that the black wire of each cable matches the ground pin of the connector.
CHA_FAN
CPU_FAN
CHA FAN PWM
CHA FAN IN
CHA FAN PWR
GND
A
B
B
A
GND
CPU FAN PWR
CPU FAN IN
CPU FAN PWM
7. TPM connector (14-1 pin TPM)
This connector supports a Trusted Platform Module (TPM) system with a
Serial Peripheral Interface (SPI), allowing you to securely store keys, digital
certicates, passwords and data. A TPM system also enhances network
security, protects digital identities, and ensures platform integrity.
PIN 1
SPI HOLD#
SPI MISO
SPI CS#
+3.3V SPI
PLTRST#
+3.3V
SPI MOSI
SPI CLK
GND
SPI FLASH WP#
SPI TPM CS#
SPI TPM IRQ#
TPM
Connector type
Header 2x7p, K14, 2.0mm pitch
Connector type
WAFER HD 4p, 2.54mm pitch, S/T