Selecting a startup device
If the server does not start up from the expected device, you can either change the startup device sequence 
or select a temporary startup device.
Changing the startup device sequence permanently
To change the startup device sequence permanently, complete the following steps:
Step 1.  Depending on the type of the storage device, do one of the following: 
•  If the storage device is internal, skip to Step 2 the next step on page 105.
•  If the storage device is a disc, ensure that your server is turned on. Then, insert the disc into the 
optical drive.
•  If the storage device is an external device other than a disc, connect the storage device to the 
server. 
Step 2.  Start the Setup Utility program, see “Starting the Setup Utility program” on page 101.
Step 3.  Select Startup ➙ Boot Priority Order.
Step 4.  Follow the instructions on the right side of the screen to change the startup device sequence.
Step 5.  To save settings and exit the Setup Utility program, press F10; then, select Yes in the displayed 
window, and press Enter.
Selecting a temporary startup device
Note: Not all discs and storage drives are applicable as startup device.
To select a temporary startup device, complete the following steps:
Step 1.  Depending on the type of the storage device, do one of the following: 
•  If the storage device is internal, skip to Step 2 the next step on page 105.
•  If the storage device is a disc, ensure that your server is turned on. Then, insert the disc into the 
optical drive.
•  If the storage device is an external device other than a disc, connect the storage device to the 
server. 
Step 2.  Turn on or restart the server. Before the operating system starts up, repeatedly press and release 
F12 until Startup Device Menu is displayed.
Step 3.  Select the desired storage device and press Enter. The server will start up from the selected 
device.
Exiting the Setup Utility program
Follow this procedure to exit the Setup Utility program.
To exiting the Setup Utility program, do one the following steps:
•  To save the new settings, press F10; then, select Yes in the displayed window, and press Enter.
•  If you do not want to save the new settings, select Exit ➙ Discard Changes and Exit and press Enter; 
then, select Yes in the displayed window, and press Enter.
Memory configuration
Memory performance depends on several variables, such as memory mode, memory speed, memory ranks, 
memory population and processor.
Chapter 4. System configuration 105