ASRock H170 Combo User Manual - Page 27
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CPU Fan Connectors (4-pin CPU_FAN1) (see p.6, No. 25) (4-pin CPU_FAN2) (see p.6, No. 26) FAN_SPEED_CONTROL FAN_SPEED FAN_VOLTAGE GND 4 his motherboard pro- 3 2 vides a 4-Pin CPU fan 1 (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. 5) ATX 12V Power Connector (8-pin ATX12V1) (see p.6, No. 1) Serial Port Header (9-pin COM1) (see p.6, No. 23) TPM Header (17-pin TPMS1) (see p.6, No. 22) 22 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 12 24 1 13 his 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. 1 4 his motherboard pro- vides an 8-pin ATX 12V 5 8 power connector. To use a 4-pin ATX power supply, please plug it along Pin 1 and Pin 5. RRXD1 DDTR#1 DDSR#1 CCTS#1 1 RRI#1 RRTS#1 GND TTXD1 DDCD#1 his COM1 header supports a serial port module. his connector supports Trusted Platform Module (TPM) system, 1 which can securely store keys, digital certiicates, passwords, and data. A TPM system also helps enhance network security, protects digital identities, and ensures platform integrity. GN D English