Bios Level - Lenovo ThinkStation P720 Hardware Maintenance Manual

1. Go to
http://www.lenovo.com/support
2. To update the BIOS from your operating system, download the flash BIOS update driver according to
your operating system version. To update the BIOS from a flash update disc, download the ISO image
version (used to create a flash update disc). Then, download the installation instructions for the flash
BIOS update driver.
3. Print the installation instructions you download and follow the instructions to update the BIOS.
Note: If you want to update the BIOS from a flash update disc, the installation instructions might not
provide the instructions on how to record the update disc. See "Recording a disc" on page 50.
Recovering from a BIOS update failure
To recover from a BIOS update failure, do the following:
1. Remove any media from the drives and turn off all connected devices and the computer. Then,
disconnect all power cords from electrical outlets and disconnect all cables that are connected to the
computer.
2. Remove the computer cover. See Chapter 9 "Hardware removal and installation" on page 103.
3. Locate the Clear CMOS /Recovery jumper on the system board. See "Hardware locations" on page 29.
4. Remove any parts and cables that impede your access to the Clear CMOS /Recovery jumper.
5. Move the jumper from the standard position (pin 1 and pin 2) to the maintenance position (pin 2 and pin
3).
6. Reinstall the parts and cables that were removed.
7. Reinstall the computer cover and reconnect any cables that were disconnected. See Chapter 9
"Hardware removal and installation" on page 103.
8. Turn on the computer and insert the BIOS update disc into the optical drive. Wait a few minutes. The
recovery process begins. After the recovery process is completed, your computer will shut down
automatically.
Note: If the computer does not start up from the disc, select the disc as the startup device. See
"Selecting a temporary startup device" on page 72.
9. Repeat steps 1–4.
10. Move the Clear CMOS /Recovery jumper back to the standard position (pin 1 and pin 2).
11. Repeat step 6 and step 7. Then, turn on your computer.

BIOS level

An incorrect BIOS level can cause false errors and unnecessary FRU replacement. Use the following
information to determine the currently installed BIOS level, the latest BIOS level available, and where to
obtain the latest BIOS level.
• To determine the currently installed BIOS level, start the Setup Utility program and view the BIOS
Revision Level on the Main page.
• Sources for obtaining the latest BIOS level available
– Lenovo support Web site:
– Lenovo Customer Support Center
– Levels 1 and 2 Support
To update the BIOS, see "Updating and recovering the BIOS" on page 72.
Note: BIOS settings vary by operating system. Change the BIOS settings before installing a new operating
system. See "Changing the BIOS settings before installing a new operating system" on page 69.
.
http://www.lenovo.com/support
.
Chapter 6 Advanced configuration
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