Lenovo ThinkServer RD350, Руководство пользователя и руководство по техническому обслуживанию аппаратного обеспечения

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Attention: To set the jumpers, 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 “Safety information” on page iii
and “Guidelines” on page 53.
1 Jumper cap storage
Used to store the jumper cap. A jumper cap is encased on the pins by default.
2 BIOS recovery jumper
Used to recover the BIOS if the power to your server is interrupted while the BIOS is being updated and your
server cannot start correctly.
To recover the BIOS, see “Recovering from a BIOS update failure” on page 47.
3 BIOS default settings jumper
Used to turn the BIOS settings into the factory-default settings.
To turn the BIOS settings into the factory-default settings, do the following:
1. Remove all external media from the drives and turn off all attached devices and the server. Then,
disconnect all power cords from electrical outlets and disconnect all cables that are connected to
the server.
2. Prepare your server. See “Removing or extending the server from the rack cabinet” on page 55.
3. Remove the server cover. See “Removing the server cover” on page 55.
4. Locate the BIOS default settings jumper 3 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 microprocessors.
5. Remove the jumper cap from the jumper cap storage 1 .
6. Note the orientation of the jumper cap and then install the jumper cap on the BIOS default settings
jumper.
7. Reinstall any parts and reconnect any cables. Then, reinstall the server cover. See “Completing the
parts replacement” on page 131.
8. Connect the server to an ac power source and wait for about five minutes for the BMC initialization.
Then, turn on the server. The BIOS settings turn into the factory-default settings.
9. Repeat step 1 through step 3.
10. Move the jumper cap back to the jumper cap storage 1 .
11. Reinstall any parts and reconnect any cables. Then, reinstall the server cover. See “Completing the
parts replacement” on page 131.
12. Connect the server to an ac power source and turn on the server.
4 Clear password jumper
Used to erase forgotten passwords, such as the BIOS passwords.
To clear passwords, do the following:
1. Remove all external media from the drives and turn off all attached devices and the server. Then,
disconnect all power cords from electrical outlets and disconnect all cables that are connected to
the server.
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ThinkServer RD350 User Guide and Hardware Maintenance Manual