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SB710 Datenblatt(PDF) 59 Page - Advanced Micro Devices |
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SB710 Datenblatt(HTML) 59 Page - Advanced Micro Devices |
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59 / 88 page ![]() 45215 Rev. 1.60 November 09 AMD SB710 Databook Functional Description 59 8.11 General Events and GPIOs Table 8-5 below lists the SMI, SCI, and Wake Events supported by SB710’s GPIO and GEVENT pins. Table 8-5: SMI, SCI, and Wake Event Support by GPIO and General Event Pins Pin Name SMI Event SCI Event Wake Event GPIO2 X X X GPM [0:9] X X X GEVENTS [2:8] X X X EXTERNAL EVENTS [0:1] X X X Table 8-6 shows the state of the GPIO and GEVENT pins in different ACPI states. Note that even if some GPIOs are in the S5 domain, its functionality may not be maintained in the S5 state. Table 8-6: Functionality of the General Events and GPIOs across ACPI States GPIO and G-Events Functionality across ACPI states GPIO / GEVENT S0/S1 S2/S3 S4/S5 G3 EXTEVENT0#, EXTEVENT1# GEVENT# [7:2] Maintain state Undefined GPM [9:0] Maintain state Undefined IMC_GPIO § Maintain state Undefined GPOC [1:0] Maintain state Undefined GPOC [3:2] Maintain state Undefined GPIO [0:10,13,15;30,33:45,48:52,65] Maintain state Undefined GPIO[ [11, 12 14, 31, 32, 46, 47, 53:64, 66] Maintain state Undefined Notes: * All GPIO and GPM pins are software configurable to assume alternate functions. Please refer to the GPIO section in the AMD SB700/SB710/SB750 Register Reference Guide for information on how to configure the GPIO pins to alternate functions. § If IMC is disabled, the IMC GPIOs maintain state in S4 and S5 only if the register field PMIO_BB[5] is set to 1. See the AMD SB700/SB710/SB750 Register Reference Guide for a more detailed description of the register. 8.12 Hardware Monitor Interface The hardware monitor interface supports voltage sensors, fan control, and digital TSI to AM3 processors. Pin Name Type Voltage Functional Description Fan control Outputs FANOUT0/GPIO3 I/O 3.3V (5V Tolerance) Fan Output 0 / GPIO 3 FANOUT1/GPIO48 I/O 3.3V (5V Tolerance) Fan Output 1 / GPIO 48 FANOUT2/GPIO49 I/O 3.3V (5V Tolerance) Fan Output 2 / GPIO 49 |
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