Commell QE-E70 Manual do Utilizador descarregar pdf (Página 21)

LN-D70 User’s Manual

21-

S3 cold power state.

SUS_S5# S5 State: This signal indicates S4 or S5 (Soft Off) state.

SLP_BTN# Sleep button. Low active signal used by the ACPI operating

system to transition the system into sleep state or to wake it up

again.

This signal is triggered on falling edge.

2.3.13<Miscellaneous Signals>

Signal Description

WDOUT Watchdog event indicator. High active output used for

signaling a missing watchdog trigger. Will be deasserted by

software, system reset or a system power down.

SMB_CLK Clock line of System Management Bus.

SMB_DAT Data line of System Management Bus.

SMB_ALERT# System Management Bus Alert input. This signal may be

driven low by SMB devices to signal an event on the SM Bus.

SPKR Primary functionality is output for audio enunciator, the

“speaker＂ in PC AT systems.

BIOS_DISABLE# Module BIOS disable input signal. Pull low to disable module's

on-board BIOS. Allows off-module BIOS implementations.

This signal can also be used to disable standard boot firmware

flash device and enable an alternative boot firmware source,for

example a boot loader.

2.3.14<Thermal Management Signals>

Signal Description

THRM# Thermal Alarm active low signal generated by the external

hardware to indicate an over temperature situation. This signal

can be used to initiate thermal throttling.

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