Lenovo ThinkServer RD240 Hardware Maintenance Manual - Page 131
Using passwords, Exiting the Setup Utility program, Password considerations
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Table 37. Items under the Chipset menu Item Sub-item Option Description CPU Bridge Configuration QPI Frequency [Auto]4.800GT5.866GT6.400GSTtandard transferring rate of the QPI bus. QPI L0s and L1 Disabled[Enabled] Enable or disable the QPI L0s and L1. Memory Frequency [Auto]Force DDR-800Force DDR-1066Force DDR-1333 Set the frequency of the memory module. Make sure that the mandatory memory frequency setting is less than the maximum frequency that the memory module can support. Memory Mode [Independent]Channel MirroringLockstep Set the memory channel mode to improve reliability or efficiency. South Bridge Configuration Restore on AC Power Loss Power OffPower On[Last State] If the power is recovered after outage, the system will be at the state that you set under Restore on AC Power Loss. Note: The settings in [ ] are the default settings in the Setup Utility program. 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. Then, you can do one of the following: • If you want to save the new settings and exit the Setup Utility program, press F10. Otherwise, your changes will not be saved. • If you do not want to save the new settings, select Exit ➙ Discard Changes and Exit. • If you want to return to the default settings, press F9 or select Exit ➙ Load Optimal Defaults. Using passwords By using the Setup Utility program, you can set a password to prevent unauthorized access to your server and data. The following options are available to help you set a supervisor password or a user password: • Change Supervisor Password • Change User Password You do not have to set a password to use your server. However, using a password improves computing security. If you decide to set a password, read the following sections. Password considerations A password can be any combination of up to 6 (1 to 6) alphabetic and numeric characters. For security reasons, it is recommended to use a strong password that cannot be easily compromised. To set a strong password, use the following guidelines: Note: The Setup Utility program passwords are not case sensitive. • Have six characters in length • Contain at least one alphabetic character and one numeric character • Not be your name or your user name Chapter 9. Configuring the server 119
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