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200 to 240 V at 50 Hz Backup battery 3-V CR2032 coin cell Physical Height x Width x Depth 36.8 x 18.4 x 42.6 cm (14.5 x 7.25 x 16.75 inches) Weight 10.4 kg (23 lb) Environmental Temperature: Operating 0. to 35.C (32. to 95.F) Storage –20. to 70.C (–4. to 158.F) Relative humidity 20% to 80% (noncondensing) Maximum vibration: Operating 0.25 G at 10 to 500 Hz at 1/2 octave/min Storage 1.48 G at 10 to 500 Hz, vibration with the computer Maximum shock: Nonoperating (half-sine pulse) 105 G, 2 ms Nonoperating (faired-square wave) 32 G with a velocity change of 596.9 cm/sec (235 inches/sec) Back to Contents Page System Setup Program Dell™ Dimension™ 2300 Overview Each time you turn on or restart your computer, the computer compares the hardware installed in the computer to the hardware listed in the configuration information stored in NVRAM on the system board. If the computer detects a discrepancy between the two, it generates error messages that identify the incorrect configuration settings. The computer then prompts you to enter the system setup program to correct the setting. You can use the system setup program to perform the following tasks: l To change the system configuration information after you add, change, or remove any hardware in your computer l To set or change user-selectable options, such as the user password Dell recommends that you write down the system setup program screen information for future reference. The system setup screens are organized as follows: l The top of the screen has a menu bar for accessing the main program screens. l The box on the left side of each screen lists options that define the hardware installed in the computer. Fields beside the options contain settings or values. You can change the settings or values that are enclosed in brackets. Values that are grayed out contain status information reported by the computer. l The box on the right side of each screen displays help information for the option with a currently highlighted field. l The lower area of the screen lists keys and their functions for the currently displayed screen. The menu bar provides access to the following screens: l Main screen — Provides settings for the basic computer configuration l Advanced screen — Provides detailed settings for some computer features l Security screen — Provides indications and settings for system password and setup password l Power screen — Provides settings for system power management features l Boot screen — Provides information about which device boots the computer l Exit screen — Provides selections for saving and loading the configurations and options In addition to these screens, options identified by a right arrow provide access to submenus. Entering the System Setup Program 1. Turn on (or restart) your computer. 2. When the blue DELL™ logo appears, press