ASRock X370M Pro4 User Manual - Page 35
Trusted Platform Module, pin ATX12V1 - cpu support
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CPU Fan Connector FAN_SPEED This motherboard pro- FAN_VOLTAGE_CONTROL (4-pin CPU_FAN1) GND FAN_SPEED_CONTROL vides a 4-Pin CPU fan (see p.6, No. 2) (Quiet Fan) connector. If you plan to connect a 3-Pin CPU fan, please connect it to Pin 1-3. ATX Power Connector (24-pin ATXPWR1) (see p.6, No. 7) 12 24 1 13 This motherboard provides a 24-pin ATX power connector. To use a 20-pin ATX power supply, please plug it along Pin 1 and Pin 13. ATX 12V Power Connector (8-pin ATX12V1) (see p.6, No. 1) 8 5 This motherboard provides a 8-pin ATX 12V power connector. To use a 4 1 4-pin ATX power supply, please plug it along Pin 1 and Pin 5. Serial Port Header (9-pin COM1) (see p.6, No. 20) RRXD1 DDTR#1 DDSR#1 CCTS#1 1 RRI#1 RRTS#1 GND TTXD1 DDCD#1 This COM1 header supports a serial port module. TPM Header (17-pin TPMS1) (see p.6, No. 21) GND SERIRQ # S_PWRDWN # GN D LAD1 LAD2 SMB_DATA_MAIN SMB_CLK_MAIN GN D +3VS B LAD0 +3V LAD3 PCIRST # FRAM E PCICLK This connector supports Trusted Platform Module 1 (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. GN D English 30