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III. Appendix

Glossary

Byte (Binary Term)

One byte is a group of eight contiguous bits. A byte is used to represent a

single alphanumeric character, punctuation mark, or other symbol.

CHKDSK (Check Disk)

An MS-DOS command that gives you information such as disk space, files,

and directories on your hard disk drive.

COM Port

COM is a logical device name used to designate the computer serial ports.

Pointing devices, modems, and infrared modules can be connected to COM

ports. Each COM port is configured to use a different IRQ and address

assignment.

CPU (Central Processing Unit)

The CPU, sometimes called "Processor," actually functions as the "brain"

of the computer. It interprets and executes program commands and pro-

cesses all the data stored in memory. Currently, there are socket 7, slot 1,

and slot 2 CPUs. Intel Pentium Processors fit on socket 7, Intel Pentium II

fit on slot 1, and Intel Xeon fit on slot 2.

FDISK (Fixed Disk Setup Program)

An MS-DOS program used to partition the hard disk drive. FDISK is re-

quired to setup a new non-RAID hard disk drive before formatting and in-

stalling an operating system.

IDE (Integrated Drive Electronics)

IDE devices integrate the drive control circuitry directly on the drive itself,

eliminating the need for a separate adapter card (in the case for SCSI de-

vices). UltraDMA/33 IDE devices can achieve up to 33MB/Sec transfer.

LPT Port (Line Printer Port)

Logical device name reserved by DOS for computer parallel ports. Each

LPT port is configured to use a different IRQ and address assignment.

PCI Bus (Peripheral Component Interconnect Local Bus)

PCI bus is a specification that defines a 32-bit data bus interface. PCI is a

standard widely used by expansion card manufacturers.

AP2500 Hardware Reference Guide