Security - Acer AB460 F1 User Manual

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186
Note: Only available when ACPI is enabled on an ACPI-
aware operating system.
NUMA Support: Uses Non-Uniform Memory Access to improve CPU
performance.
High Performance Event Timer: Select Enabled to activate the High
Performance Event Timer (HPET) that produces periodic interrupts at a
much higher frequency than a Real-time Clock (RTC) does in
synchronizing multimedia streams, providing smooth playback and
reducing the dependency on other timestamp calculation devices, such
as an x86 RDTSC Instruction embedded in the CPU. The High
Performance Event Timer is used to replace the 8254 Programmable
Interval Timer.

Security

The BIOS provides a Supervisor and a User password. If you use both
passwords, the Supervisor password must be set first.
3 Server Blades: Setup and Installation
Figure 3-121. Security Setup Menu

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