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System Utilities D-7
Tray Icons
The main screen includes a check box that determines the presence of the
tray icon in the task bar. The tray icon indicates the status of 0-volt
suspend/resume feature, and is updated via polling of the APM status or via
explicitly creating or removing an ASTDK file.
Table D-3 Tray Icons and Indicated Status
Tray Icon ASTDK file APM 0-Volt Feature
Normal Icon Valid Advanced Okay
Exclaimed Icon Valid Not Advanced May not work
Exclaimed Icon Invalid Advanced May not work
Stop Icon Invalid Not Advanced Inoperable
File Size Auto-Adjust upon Suspend Function
In cases where APM is enabled: when a suspend event occurs, APM sends
a suspend request to ASTDK via the operating system. ASTDK checks if
the ASTDK file exists.
• If the ASTDK file exists, ASTDK notifies APM that the system is ready
to enter suspend mode. APM then tells the BIOS to tell the system to
enter suspend mode. No extra work is needed for ASTDK.
• If the ASTDK file does not exist or if the ASTDK file size is not enough
for the suspend/resume operation, ASTDK automatically creates a new
ASTDK file for the user.
D.1.3 Installation Process
DOS and Windows 3.x
To install ASTDK for DOS and Windows 3.x: