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24 SKA4 Baseboard Product Guide
• Processor temperature monitoring
• Hot-Plug PCI slot status reporting
• Processor bus speed setting
• Chassis fan failure light control
• Chassis power fault light control
• Chassis power light control
System Security
To help prevent unauthorized entry or use of the system, the system includes a three-position key
lock/switch to permit selected access to drive bays (position is communicated to BMC). The
system also includes server management software that monitors the chassis intrusion switch.
Software Locks via the SSU or BIOS Setup
The SSU provides a number of security features to prevent unauthorized or accidental access to the
system. Once the security measures are enabled, access to the system is allowed only after the user
enters the correct password(s). For example, the SSU allows:
• Enable the keyboard lockout timer so the server requires a password to reactivate the keyboard
and mouse after a specified time-out period of 1 to 120 minutes
• Set and enable administrator and user passwords
• 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 writing to the diskette drive when secure mode is set
Using Passwords
If a user password is set and enabled, but an administrator password is not set, a user password
must be entered to boot the system and run the SSU.
If both a user and administrator password is set:
• Enter either one to boot the server and enable the keyboard and mouse
• Enter the administrator password to access the SSU or BIOS Setup to change the system
configuration
Secure Mode
Configure and enable the secure boot mode by using the SSU. When secure mode is in effect,
• The system can boot and the operating system runs, but the user password must be entered for
a user to use the keyboard or mouse
• The system cannot be turned off or reset from the front panel switches
Secure mode has no effect on functions enabled via the Server Manager Module or power control
via the real-time clock (RTC).