ASRock C621A WS Quick Installation Guide - Page 32

USB 2.0 Header (9-pin USB_2_3) (see p.1, No. 27) ATX Power Connector (24-pin ATXPWR1) (see p.1, No. 4) USB_PWR PP+ GND DUMMY 1 GND P+ PUSB_PWR This is one header on this motherboard. This USB 2.0 header can support two ports. 3V 12V 12V 5VSB PWROK_PS GND 5V GND 5V GND 3V 3V This motherboard provides a 24-pin ATX power connector. 1 12 To use a 20-pin ATX power 13 24 supply, please plug it along Pin 1 and Pin 13. GND 5V 5V 5V N/A GND GND GND PSON# GND -12V 3V ATX 12V Power Connectors (8-pin ATX12V1) (see p.1, No. 5) (4-pin ATX12V2) (see p.1, No. 7) SATA DOM Power Connector (3-pin SATAPWR1) (see p.1, No. 15) (3-pin SATAPWR2) (see p.1, No. 12) TPM Header (17-pin TPM1) (see p.1, No. 36) 30 GND SERIRQ# S_PWRDWN# GND LAD1 LAD2 SMB_DATA_MAIN SMB_CLK_MAIN GND GND +3VSB LAD0 +3V LAD3 PCIRST# LFRAME# PCICLK GND 1 4 5 8 12V GND 1 2 3 4 12V +5V GND +12V This motherboard provides one 8-pin and one 4-pin ATX 12V power connectors. Please use a SATA power cable to connect this SATA Power Connector and your SATA HDD for supplying power from the motherboard, when using DC-IN mode without SATA power supply. This connector supports Trusted Platform Module (TPM) system, which can 1 securely store keys, digital certificates, passwords, and data. A TPM system also helps enhance network security, protects digital identities, and ensures platform integrity. English