Asus F2A55-M/CSM User Manual page 38

3. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V)
These connectors are for ATX power supply plugs. The power supply plugs are
designed to fit these connectors in only one orientation. Find the proper orientation and
push down firmly until the connectors completely fit.
F2A55-M ATX power connectors
•
•
•
•
4. TPM connector (20-1 pin TPM)
This connector supports a Trusted Platform Module (TPM) system, which securely
store keys, digital certificates, passwords and data. A TPM system also helps enhance
network security, protect digital identities, and ensures platform integrity.
F2A55-M TPM Connector
TPM module is purchased separately.
1-26
ATX12V
F2A55-M
For a fully configured system, we recommend that you use a power supply unit
(PSU) that complies with ATX 12 V Specification 2.0 (or later version) and provides a
minimum power of 300 W.
DO NOT forget to connect the 4-pin ATX +12V power plug. Otherwise, the system will
not boot up.
We recommend that you use a PSU with higher power output when configuring a
system with more power-consuming devices. The system may become unstable or
may not boot up if the power is inadequate.
If you are uncertain about the minimum power supply requirement for your system,
refer to the Recommended Power Supply Wattage Calculator at http://support.asus.
com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en-us for details.
PIN 1
F2A55-M
EATXPWR
GND
+3 Volts
+12 Volts +5 Volts
+12 Volts +5 Volts
+5V Standby +5 Volts
Power OK -5 Volts
GND GND
1 PIN
+5 Volts GND
GND
GND
+5 Volts PSON#
GND GND
+3 Volts -12 Volts
+3 Volts +3 Volts
PIN 1
TPM
Chapter 1: Product introduction