Download Dell 900 Personal Computer User Manual
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Table B-13. PnP/PCI Options Screen Submenu Options (continued) Option Function Graphics Aperture Size Sets the graphics aperture size to 4, 8, 16, 32, 64, 128, or 256 MB. Plug and Play OS Set to Yes (default) to allow the operating system to handle all Plug and Play operation. Set to No to allow the BIOS to handle the Plug and Play operation. Reset Resource Assignments Set to No (default) to retain ESCD data. Set to Yes to clear ESCD data. Restore On AC/ Power Loss Determines the system mode of operation after an AC power failure. The selections are Power On, (default), Stays Off, and Last State. Remote Wake Up Set to Enabled (default) to activate remote Wakeup On LAN mode. Set to Disabled to deactivate it. RTC Alarm Determines the time and date for the RTC alarm function to resume. The selections are Time, Date, Time/Date, and Disabled (default). If set to Time, Date, or Time/Date, you can set the following additional options: Resume Day Sets the day for the RTC alarm function to resume. The selections are 1 (default) through 31. Resume Time Sets the hour/minute/second for the RTC alarm function to resume. The selections are 00 (default) to 59 for each field. NOTE: The Glossary in the system Help defines abbreviations and acronyms. Disabling a Forgotten Password If you forget your user or supervisor password, you will be unable to operate your system or change settings in the system setup program, respectively, until you disable the existing password(s). Disabling the password(s) involves removing the computer cover and changing a jumper setting (twice) on the system board. NOTE: You disable both supervisor and user passwords at the same time. To disable a forgotten password, perform the following steps: 1. Turn off the computer and unplug it from the electrical outlet. 2. Remove the computer cover according to the instructions in “Removing and Replacing the Computer Cover” found in Chapter 2. 3. Remove the riser-board bracket according to the instructions in “Removing and Replacing the Riser-Board Bracket” found in Chapter 2. 4. Remove all expansion cards according to the instructions in “Removing Expansion Cards” found in Chapter 2. B-18 Dell Dimension 900 System Reference and Troubleshooting Guide