
64 MultiVOIP Gatekeeper User Guide
Power Saving Block Diagram
Suspend
Standby
On
Doze
Timer Control into Suspend
External Switch &
Timer Control into Suspend
Timer Control into Suspend
Timer Control into Doze
Timer Control into Standby
Timer Control
into Standby
Keyboard/Mouse
Wake-Up
Keyboard/Mouse Wake-Up
Keyboard/Mouse Wake-Up
Figure C-1: Power On & Three Reduced-Power States
CPU Doze Mode
1. After a pre-determined period of inactivity has elapsed, the CPU will slow to 8 MHz.
2. The computer will emit one beep sound.
3. The green function will monitor PC activity according to the settings on the Power Management
Setup screen.
4. As soon as any activity occurs, the system will switch from Doze Mode to On Mode.
System Standby Mode
1. After a predetermined period of inactivity has elapsed, the CPU will slow to 8 MHz.
2. The computer will emit two beeps.
3. The Level 1 cache will be disabled.
4. The VGA monitor will display a blank screen.
5. The hard drive will be powered down.
6. As soon as any activity occurs, the system will switch from Doze Mode to On Mode.
System Suspend Mode
1. After a pre-determined period of inactivity has elapsed, the CPU will slow to 8 MHz.
2. The computer will emit three beeps.
3. The Level 2 cache will be disabled.
4. The VGA monitor will display a blank screen.
5. The hard drive will be powered down.
6. The green function will monitor PC activity according to the settings on the Power Management
Setup screen.
7. When the system is in Suspend Mode, input from the keyboard, or the mouse, or alarm is required
to wake up the PC.
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