Understanding System Features 3-3
Ports
Your computer’s system board includes the following
connectors 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 — microphone in, line in, line out, MIDI/game
port.
System Memory
Your system’s standard memory configuration is 32 MB to
384 MB, depending upon the model you purchased. You
can expand the memory to a maximum of 384 MB. See
Appendix B for memory upgrade options.
Intel Xcelerator Multifunction Controller
Your computer uses an Intel PIIX4E, which incorporates
the PC-to-ISA bridge, a USB controller, a dual-channel
IDE interface, an enhanced DMA controller, an interrupt
controller, power management, and a real-time clock.
See Appendix B for the interrupt level assignments (IRQ)
table.
Flash ROM
With Flash ROM, a ROM BIOS change:
is fast and easily done using a Flash utility
eliminates the expensive replacement of ROM BIOS
chips, and reduces system maintenance costs
reduces inadvertent system board damage that can take
place when replacing ROMs
