Atx Power Connectors - Asus H87M-PLUS User Manual

9. ATX power connectors (24-pin EATXPWR; 8-pin EATX12V)
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.
H87M-PLUS
H87M-PLUS ATX power connectors
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10. 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.
H87M-PLUS
H87M-PLUS TPM Connector
The TPM module is purchased separately.
1-20
EATX12V
For a fully configured system, we recommend that you use a power supply unit
(PSU) that complies with ATX 12V Specification 2.0 (or later version) and provides a
minimum power of 350W.
DO NOT forget to connect the 4-pin/8-pin EATX12V power plug. Otherwise, the
system will not boot.
We recommend that you use a PSU with a 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 want to use two high-end PCI Express x16 cards, use a PSU with 1000W power
or above to ensure the system stability.
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.
TPM
RESET
GPIO
SERIRQ
SMBSDA
GND
LAD1
LAD2
PWROWN
GND
EATXPWR
GND
+3 Volts
+12 Volts +5 Volts
+12 Volts +5 Volts
+5V Standby +5 Volts
Power OK -5 Volts
GND GND
+5 Volts GND
GND GND
PSON#
+5 Volts
GND GND
+3 Volts -12 Volts
+3 Volts +3 Volts
PIN 1
SB_SUS_STAT
GND
+3VSB
SMBSCL
LAD0
+3V
LAD3
PCIRST#
FRAME
PCICLK
PIN 1
Chapter 1: Product introduction