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Chapter 4 System Support
Compaq iPAQ Family of Internet Devices
First Edition - March 2000
4-28
4.8.1.2 DriveLock Passwords
This system supports the DriveLock security feature for a compatible hard drive installed in the
Multibay. DriveLock, when enabled, prevents unauthorized access to hard drive data by requiring
a master and/or user password to be entered for access to data on the hard drive. Although this
function is configured through the Setup utility, the password information is stored in a reserved
area on the hard drive (i.e., the password(s) move(s) with the hard drive).
NOTE:
The DriveLock feature is designed primarily for business environments,
especially where a removable Multibay hard drive(s) may be shared between several
systems. Since the loss of (forgetting) both DriveLock passwords to a drive will result in
that drive being unusable, it is strongly advised that this feature be invoked and
managed by a system administrator. For detailed user information consult the
appropriate user/reference guide for this system.
4.8.2 POWER MANAGEMENT
This system provides baseline hardware support of ACPI- and APM-compliant firmware and
software. Key power-consuming components (processor, chipset, I/O controller, and fan) can be
placed into a reduced power mode either automatically or by user control. The system can then be
brought back up (“wake-up”) by events defined by the ACPI specification. The ACPI wake-up
events supported by this system are listed as follows:
ACPI Wake-Up Event System Wakes From
Power Button Suspend or soft-off
RTC Alarm Suspend or soft-off
Wake On LAN (w/NIC) Suspend or soft-off
PME Suspend or soft-off
Serial Port Ring Suspend or soft-off
USB Suspend only
Keyboard Suspend only
Mouse Suspend only
4.8.3 THERMAL SENSING AND COOLING
All systems feature a variable-speed fan (mounted as a part of the power supply assembly)
controlled by thermal sensing logic. All systems also include a header for connection to a fan
that may be included in some processor upgrade kits (known as “boxed processors”).
The system should be operated with all covers in place to ensure proper cooling of the system
board components.