Changing The Bios Settings Before Installing A New Operating System; Exiting The Setup Utility Program; Configuring Raid; Raid Level - Lenovo ThinkStation P300 Hardware Maintenance Manual

5. Select Enabled or Disabled as desired.
6. Press F10 to save your setting and exit the Setup Utility program. See "Exiting the Setup Utility
program" on page 58.

Changing the BIOS settings before installing a new operating system

BIOS settings vary by operating system. Change the BIOS settings before installing a new operating system.
To change the BIOS settings, do the following:
1. Start the Setup Utility program. See "Starting the Setup Utility program" on page 53.
2. From the Setup Utility program main menu, select Exit ➙ OS Optimized Default.
3. Depending on the operating system to be installed, do one of the following:
• To install the Windows 8.1 (64-bit) operating system, select Enabled.
• To install an operating system other than Windows 8.1 (64-bit), select Disabled.
4. Select Yes in the window displayed and press Enter to confirm your selection.
5. Press F10 to save changes and exit the Setup Utility program. See "Exiting the Setup Utility program"
on page 58.

Exiting the Setup Utility program

After you finish viewing or changing settings, press Esc to return to the Setup Utility program main menu.
You might have to press Esc several times. Do one of the following:
• If you want to save the new settings, press F10 to save changes and exit the Setup Utility program.
• If you do not want to save the settings, select Exit ➙ Discard Changes and Exit, and then press Enter.
When the Reset Without Saving window shows, select Yes, and then press Enter to exit the Setup
Utility program.
• If you want to return to the default settings, press F9 to load the default settings, and then press F10 to
save and exit the Setup Utility program.

Configuring RAID

This section provides information about how to configure Redundant Array of Independent Disks (RAID)
for your computer.
Note: The information about configuring RAID in this chapter is applicable only for a Windows environment.
For information about configuring RAID in a Linux environment, contact your Linux software provider.

RAID Level

Your computer must have the minimum number of SATA hard disk drives installed for the supported level of
RAID below:
• RAID Level 0 – Striped disk array
– Two hard disk drives minimum
– Better performance without fault tolerance
• RAID Level 1 – Mirrored disk array
– Two hard disk drives minimum
– Improved read performance and 100% redundancy
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ThinkStation P300 Hardware Maintenance Manual