Toshiba Satellite 1700 Series, Maintenance Manual

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1 Hardware Overview 1.22 Power Management
Satellite 1700 Series Maintenance Manual 1-45
1.22 Power Management
1.22.1 Introduction
The notebook supports ACPI. The system will dynamically switch to ACPI mode for
configuration and power management when an ACPI OS is loaded.
When ACPI is not loaded and enabled, the power management behavior will disabled.
1.22.2 System Time-outs
If the system is running in ACPI mode, system Time-outs is handled by the operating system.
BIOS time-outs are disabled. System time-outs are set using the control panel power applet.
1.22.3 System Power Management
The overall system can be in one of the system power states as described below:
ACPI mode Power Management
Mech. Off (G3) All devices in the system are turned off
completely.
Soft Off (G2/S5) OS initiated shutdown. All devices in the system
are turned off completely.
Working (G0/S0) Individual devices such as the CPU and hard
disk may be power managed in this state.
Sleeping (S1) CPU Stop Clock
VGA Standby, turn off Bakelite
PCMCIA Standby
Audio Standby
Hard Disk Spin Down motor
CD-ROM Spin Down
Super I/O Power down
Sleeping (S3) CPU set power down
VGA Suspend
PCMCIA Suspend
Audio Suspend
Hard Disk Power Down
CD-ROM Power Down
Super I/O Power Down
Hibernate (S4) System Saves all system states and data onto
disk prior to power off the whole system.