ASRock H81M-DGS R2.0 User Manual - Page 28

ATX 12V Power Connector (4-pin ATX12V1) (see p.9, 10, 11, No. 1) This motherboard provides an 4-pin ATX 12V power connector. Infrared Module Header (5-pin IR1) (see p.9, 10, 11, No. 18) Serial Port Header (9-pin COM1) (see p.9, 10, 11, No. 17) IRTX +5VSB DUMMY 1 GND IRRX RRXD1 DDTR#1 DDSR#1 CCTS#1 1 RRI#1 RRTS#1 GND TTXD1 DDCD#1 This header supports an optional wireless transmitting and receiving infrared module. This COM1 header supports a serial port module. Chassis Intrusion Header (2-pin CI1) (see p.9, 10, 11, No. 12) 1 GND Signal TPM Header (17-pin TPMS1) (see p.9, 10, 11, No. 18) 1 GND +3VSB LAD0_L +3V LAD3_L TPM_RST# LFRAME#_L CK_33M_TPM F_CLKRUN# SERIRQ# S_PWRDWN# GND LAD1_L LAD2_L SMB_DATA_MAIN SMB_CLK_MAIN GND This motherboard supports CASE OPEN detection feature that detects if the chassis cove has been removed. This feature requires a chassis with chassis intrusion detection design. This connector supports 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. English 24