mouse, and keyboard drivers are installed for Windows.

Running the Control Panel or Windows Setup program may change options in the system.ini file. On other occasions, you may need to change or add options to the system.ini file manually with a text editor, WHUPLQDWLRQsuch as Notepad.

Some devices must be terminated to pre- vent reflections and spurious signals in the cable. When such devices are con- nected in a series, you may need to enable or disable the termination on these devic- es by changing jumper or switch settings on the devices or by changing settings in the configuration software for the

WH[WHGLWRUdevices.

An application program for editing text files consisting exclusively of ASCII char- acters. Windows Notepad is a text editor, for example. Most word processors use proprietary file formats containing binary characters, although some can read and WH[WPRGHwrite text files.

A video mode that can be defined as x WLPHcolumns￿RXWby y rows of characters.

A specified period of system inactivity that must occur before an energy conser- WSLvation feature is activated.

765Abbreviation for tracks per inch.

Abbreviation for terminate-and-stay- resident. A TSR program runs “in the background.” Most TSR programs imple- ment a predefined key combination (sometimes referred to as a hot key) that allows you to activate the TSR program’s interface while running another program. When you finish using the TSR program, you can return to the other application

program and leave the TSR program resi- dent in memory for later use.

TSR programs can sometimes cause memory conflicts. When troubleshooting, rule out the possibility of such a conflict by rebooting your computer without start- 8/ing any TSR programs.

Abbreviation for Underwriters

Laboratories.80%

XSSHUAbbreviationPHPRU\for upperDUHDmemory blocks.

The 384 KB of RAM located between

640KB and 1 MB. If the computer has an Intel386 or higher microprocessor, a utility called a memory manager can create UMBs in the upper memory area, in which you can load device drivers and memory-

836resident programs.

Abbreviation for uninterruptible power supply. A battery-powered unit that auto- matically supplies power to your computer in the event of an electrical failure.86%

Abbreviation for Universal Serial Bus. A USB connector provides a single connec- tion point for multiple USB-compliant devices, such as mice, keyboards, print- ers, and computer speakers. USB devices can also be connected and disconnected XWLOLW\while the system is running.

A program used to manage system re- sources—memory, disk drives, or printers,873 for example.

9Abbreviation for unshielded twisted pair.

Abbreviation for volt(s).

14 Dell Precision 210 Desktop Systems User’s Guide

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Dell WorkStation 210 manual Mouse, and keyboard drivers are installed for Windows, Abbreviation for Underwriters