Gigabyte GA-Z77X-D3H Manual - Page 30
TPM Trusted Platform Module Header, COMA Serial Port Header, COM port cable
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15) COMA (Serial Port Header) The COM header can provide one serial port via an optional COM port cable. For purchasing the optional COM port cable, please contact the local dealer. 9 10 F_USB30 Pin No. Definition 1 NDCD- 2 NSIN 1 3 NSOUT 2 4 NDTR- 5 GND 6 NDSR- 7 NRTS- 8 NCTS- 9 F_AUDNIROI(-H) 10 No Pin 1 16) TPM (Trusted Platform Module Header) You may connect a TPM (Trusted Platform Module) to this header. DB_PORT BIOS Switc 1 1 19 TPM w/housing 20 1 Voltage measurement module(X58A-OC) 2 Pin No. 1 2 3 4 5 6 7 8 9 10 Definition Pin No. Definition LCLK GND 11 LAD0 12 GND PCIe power connector (SATA)(X58A-OC) LFRAME 13 NC No Pin 14 ID LRESET 15 SB3V NC 16 SERIRQ LAD3 17 GND LAD2 18 NC VCC3 19 NC LAD1 20 SUSCLK Voltage measurement points(G1.Sniper 3) BIOS Switcher (SW4) PWM Swi DIP 1 23 DIP Hardware Installation - 30 -