![Lenovo 70LU User Manual And Hardware Maintenance Manual Download Page 35](http://html.mh-extra.com/html/lenovo/70lu/70lu_user-manual-and-hardware-maintenance-manual_202588035.webp)
Jumper cap position
Description
Pins 1–2
Default position (Normal state)
Pins 2–3
Short-circuited position (Clear-CMOS state)
Attention:
To set the jumper, remove the server cover and gain access to the system board first. Do not
open your server or attempt any repair before reading and understanding Read this first: safety information
and “Getting familiar with important guidelines” on page 39.
Restore BIOS settings to factory default settings or clear a forgotten password
To restore BIOS settings to factory default settings or clear a forgotten password, do the following:
1. Prepare your server. See “Preparing your server and removing the server cover” on page 41.
2. Locate the Clear CMOS jumper on the system board. Then, remove any parts and disconnect any
cables that might impede your access to the jumper.
Note:
Do not remove the memory modules or CPU.
3. Move the Clear CMOS jumper cap from the default position (pins 1–2) to the short-circuited position
(pins 2–3).
4. Reinstall any parts and reconnect any cables. Then, reinstall the server cover. See “Completing the parts
5. Reconnect the server to an ac power source and turn on the server. Then, wait for about 10 seconds.
6. Repeat steps 1 and 2.
7. Move the Clear CMOS jumper back to the default position.
8. Reinstall any parts and reconnect any cables. Then, reinstall the server cover. See “Completing the parts
9. Connect the server to an ac power source and turn on the server to restart the operating system.
Recover BIOS settings from a BIOS update failure
To recover BIOS settings from a BIOS update failure, do the following:
1. Prepare your server. See “Preparing your server and removing the server cover” on page 41.
2. Locate the Clear CMOS jumper on the system board. Then, remove any parts and disconnect any
cables that might impede your access to the jumper.
Note:
Do not remove the memory modules or CPU.
3. Move the Clear CMOS jumper cap from the default position (pins 1–2) to the short-circuited position
(pins 2–3).
4. Reinstall any parts and reconnect any cables. Then, reinstall the server cover. See “Completing the parts
5. Reconnect the server to an ac power and turn on the server. Then, insert the BIOS update (flash update)
disc into the optical drive. The recovery session begins. The recovery session will take two to three
minutes. During this time, you will hear a series of beeps.
6. After the recovery session is completed, the series of beeps will end, and the system will automatically
turn off. Remove the disc from the optical drive before the system completely turns off.
7. Repeat steps 1 and 2.
8. Move the Clear CMOS jumper cap back to the default position.
23
Summary of Contents for 70LU
Page 16: ...4 ThinkServer TS150 User Guide and Hardware Maintenance Manual ...
Page 50: ...38 ThinkServer TS150 User Guide and Hardware Maintenance Manual ...
Page 110: ...98 ThinkServer TS150 User Guide and Hardware Maintenance Manual ...
Page 116: ...104 ThinkServer TS150 User Guide and Hardware Maintenance Manual ...
Page 120: ...108 ThinkServer TS150 User Guide and Hardware Maintenance Manual ...
Page 132: ...120 ThinkServer TS150 User Guide and Hardware Maintenance Manual ...
Page 141: ......
Page 142: ......