HP Carrier-grade cc3300 UserÆs Guide and Technical UserÆs Gu - Page 25

Security

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ACPI The server board supports the Advanced Configuration and Power Interface (ACPI) as defined by the ACPI 1.0 and PC97 specifications. An ACPI aware operating system can put the system into a state where the hard drives spin down, the system fans stop, and all processing is halted. However, the power supply will still be on and the processors will still be dissipating some power, so the power supply fans will still run. The SERVER BOARD supports sleep states s0, s1, s4, and s5: • s0: Normal running state. • s1: Processor sleep state. No context will be lost in this state and the processor caches will maintain coherency. • s4: Hibernate or Save to Disk: The memory and machine state are saved to disk. Pressing the power button or other wakeup event will restore the system state from the disk and resume normal operation. This assumes that no hardware changes have been made to the system while it was off. • s5: Soft off: Only the RTC section of the CSB and the BMC are running in this state. No context is saved by the OS or hardware. CAUTION The system is off only when the AC power cord is disconnected. Security Software Locks The BIOS Setup and the System Setup Utility (SSU) provide a number of security features to prevent unauthorized or accidental access to the system. Once the security measures are enabled, you can access the system only after you enter the correct password(s). For example: • Enable the keyboard lockout timer so that the server requires a password to reactivate the keyboard and mouse after a specified time out period1 to 120 minutes. • Set and enable a supervisor password. • Set and enable a user password. • Set secure mode to prevent keyboard or mouse input and to prevent use of the front panel reset and power switches. • Activate a hot key combination to enter secure mode quickly. • Disable access to the boot sector of the operating system hard disk drive. cc2300 Carrier Grade Server Product Guide 25

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cc2300 Carrier Grade Server Product Guide
25
ACPI
The server board supports the Advanced Configuration and Power Interface (ACPI) as defined by
the ACPI 1.0 and PC97 specifications.
An ACPI aware operating system can put the system into a
state where the hard drives spin down, the system fans stop, and all processing is halted.
However,
the power supply will still be on and the processors will still be dissipating some power, so the
power supply fans will still run.
The SERVER BOARD supports sleep states s0, s1, s4, and s5:
•
s0:
Normal running state.
•
s1:
Processor sleep state.
No context will be lost in this state and the processor caches will
maintain coherency.
•
s4:
Hibernate or Save to Disk:
The memory and machine state are saved to disk.
Pressing the
power button or other wakeup event will restore the system state from the disk and resume
normal operation.
This assumes that no hardware changes have been made to the system while
it was off.
•
s5:
Soft off:
Only the RTC section of the CSB and the BMC are running in this state.
No
context is saved by the OS or hardware.
CAUTION
The system is off only when the AC power cord is disconnected.
Security
Software Locks
The BIOS Setup and the System Setup Utility (SSU) provide a number of security features to
prevent unauthorized or accidental access to the system.
Once the security measures are enabled,
you can access the system only after you enter the correct password(s).
For example:
•
Enable the keyboard lockout timer so that the server requires a password to reactivate the
keyboard and mouse after a specified time out period
1 to 120 minutes.
•
Set and enable a supervisor password.
•
Set and enable a user password.
•
Set secure mode to prevent keyboard or mouse input and to prevent use of the front panel reset
and power switches.
•
Activate a hot key combination to enter secure mode quickly.
•
Disable access to the boot sector of the operating system hard disk drive.