Asus H81M-V PLUS User Guide - Page 22

1.7.2 Internal connectors 1. 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. H81M-V PLUS ATX12V EATXPWR +12V DC +12V DC +3 Volts +12 Volts +12 Volts +5V Standby Power OK GND PIN 1 +5 Volts GND +5 Volts GND +3 Volts +3 Volts PIN 1 GND +5 Volts +5 Volts +5 Volts -5 Volts GND GND GND PSON# GND -12 Volts +3 Volts GND GND H81M-V PLUS ATX power connectors • We recommend that you use an ATX 12V Specification 2.0‑compliant power supply unit (PSU) with a minimum of 350W power rating. This PSU type has 24-pin and 4-pin power plugs. • 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 or when you intend to install additional devices. The system may become unstable or may not boot up if the power is inadequate. 2. TPM connector (20-1 pin TPM) This connector supports a Trusted Platform Module (TPM) system, which can securely store keys, digital certificates, passwords, and data. A TPM system also helps enhance network security, protects digital identities, and ensures platform integrity. TPM SB_SUS_STAT GND +3VSB SMBSCL LAD0 +3V LAD3 PCIRST# FRAME PCICLK H81M-V PLUS PIN 1 RESET GPIO SERIRQ SMBSDA GND LAD1 LAD2 PWROWN GND H81M-V PLUS TPM connector The TPM module is purchased separately. 1-14 E9408_H81M-V_PLUS_Guide.indb 14 Chapter 1: Product introduction 2015/1/19 15:50:57