Owners Manual

Option Description
OS Watchdog
Timer
If your system stops responding, this watchdog timer aids in the recovery of your operating system. When
this option is set to Enabled, the operating system initializes the timer. When this option is set to
Disabled (the default), the timer does not have any effect on the system.
Memory Mapped
I/O above 4 GB
Enables or disables the support for PCIe devices that need large amounts of memory. This option is set to
Enabled by default.
Mezzanine Slot
Disablement
The Slot Disablement feature controls the configuration of mezzanine cards installed in the specified
slots. Only mezzanine card slots that are present on your system are available for control.
Related references
Integrated Devices on page 38
Related tasks
Viewing Integrated Devices on page 39
Serial Communication
You can use the Serial Communication screen to view the properties of the serial communication port.
Related references
System BIOS on page 22
Related tasks
Serial Communication details on page 41
Viewing Serial Communication on page 40
Viewing Serial Communication
To view the Serial Communication screen, perform the following steps:
Steps
1. Turn on, or restart your system.
2. Press F2 immediately after you see the following message:
F2 = System Setup
NOTE:
If your operating system begins to load before you press F2, wait for the system to finish booting, and then
restart your system and try again.
3. On the System Setup Main Menu screen, click System BIOS.
4. On the System BIOS screen, click Serial Communication.
Related references
Serial Communication on page 40
Related tasks
Serial Communication details on page 41
40
Pre-operating system management applications