3-2 Understanding System FeaturesSoftware installed on the hard disk includes: Microsoft® Windows NT® or Windows® 95 MS Office 97 ® Small Business Edition Appropriate drivers for your hardware McAfee® VirusScan™, McAfee WebScan™.SYSTEM CHASSISThe chassis provides an enclosure for the system board,power supply, three PCI, two ISA expansion slots, one setof shared PCI/ISA slots, and seven storage device slots.SYSTEM BOARD COMPONENTSYour computer’s system board has the followingcomponents.ProcessorProcessing for your system is provided by the IntelPentium microprocessor at speeds of 200 MHz or233 MHz.PortsYour computer’s system board includes the followingconnectors on the rear-panel: PS/2-style keyboard and mouse ports Two Universal Serial Bus (USB) ports Two serial ports (9-pin “D” style) One parallel port Audio (on some systems) — microphone in, line in, lineout, MIDI/game port.