Acer 6492 manual Keyboard controller, Speaker, System LED Indicator, System Power States

Keyboard controller

Part name: iTE IT8152

Package: QFP 128-pin

Features:

•8032 Embedded Controller

•LPC Bus Interface

•PS/2 interface for touchpad

•Flash Interface

•SM Bus Controller

•System Wake Up Control / Ec Wake Up Control

•Interrupt Controller

•ACPI PowerManagement Channel

•PWM With Smart Auto Fan Control

Supply current: Standby With Sleep Mode Current: 100uA

Speaker

Model: YYD2112G

Impedance: 4 Ohm ± 15% on 2100Hz

Rated input: 2 W

Lowest resonance frequency: 850Hz ± 20%

Output sound pressure level: 78db ± 3 dB at 1.0W

Dimension: TBD

Weight: TBD

SYSTEM LED Indicator

System LED Indicator

The following information provide the LED icon for TravelMate 6492 system.

•Battery LED

•Power/Suspend LED

•Wireless LED

•Bluetooth LED

POWER SPECIFICATION

System Power States

ZR3 supports 6 different power states in the system. The SB460 automatically controls the signals required to transition the system between the various power states and also informs the PC97551 to control the power planes as required.

The following table describes the different power states switching matrix:

Current State				Next State
	Initial	ON	Standby		Suspend	Hibernate	Soft Off
Initial		(1)
ON(S0)			(2)		(3)	(4)	(5)
Standby(S1)		(6)
Suspend(S3)		(7)

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