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Erasing lost or forgotten passwords (clearing CMOS)
This section provides instructions on how to erase lost or forgotten passwords, such as a user password.
To erase a lost or forgotten password, do the following:
1. Remove all 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. Remove the server cover. See “Removing the server cover” on page 17.
3. Locate the Clear CMOS /Recovery jumper on the system board. See “Locating parts on the system
board” on page 11.
4. Remove all parts and disconnect all cables that might prevent your access to the Clear CMOS
/Recovery jumper.
Note: If your server has a secondary hard disk drive installed, remove the secondary hard disk drive
to access the Clear CMOS /Recovery jumper. See “Installing or replacing the secondary hard disk
drive” on page 31
.
5. Move the jumper from the standard position (pin 1 and pin 2) to the maintenance position (pin 2 and
pin 3).
6. Reinstall all parts and reconnect all cables that have been removed.
7. Reinstall the server cover and reconnect the server power cord. See “Completing the parts replacement”
on page 48
.
8. Turn on the server and leave it on for approximately 10 seconds. Then, turn off the server by holding the
power switch for approximately ve seconds.
9. Repeat step 1 through step 4.
10. Move the Clear CMOS /Recovery jumper back to the standard position (pin 1 and pin 2).
11. Reinstall all parts and reconnect all cables that have been removed.
12. Reinstall the server cover and connect the power cords. See “Completing the parts replacement”
on page 48.
Enabling or disabling a device
This section provides information on how to enable or disable user access to the following devices:
USB Setup Use this option to enable or disable a USB connector. When a USB connector is
disabled, the device connected to the USB connector cannot be used.
SATA Controller When this feature is set to Disabled, all devices connected to the SATA connectors
(such as hard disk drives or the optical drive) are disabled and cannot be accessed.
External SATA Port When this option is set to Disabled, the device connected to the External SATA
connector cannot be accessed.
To enable or disable a device, 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 Devices.
3. Depending on the device you want to enable or disable, do one of the following:
• Select USB Setup to enable or disable a USB device.
• Select ATA Drive Setup to enable or disable an internal or external SATA device.
4. Select the desired settings and press Enter.
5. Press F10 to save changes and exit the Setup Utility program. See “Exiting from the Setup Utility
program” on page 69.
68 ThinkServer User Guide