Epson 4000 - Manual (Page 136)

IDE
Integrated Drive Electronics. A type of hard disk drive interface
in which the controller is on the drive instead of on a controller
card. Your computer includes an interface on the main system
board for up to two IDE hard disk drives.
Internal cache
Cache memory built into your microprocessor. Your computer
includes 8KB of internal cache.
Jumper
A small moveable plug that connects two pins on a device’s
circuit board. Jumpers alter the operation of a particular
function.
Key disk
A diskette containing a copy-protected program that must
remain in a diskette drive while you use the program. See also
Copy-protected program.
Kilobyte (KB)
A unit used to measure storage space in a computer’s memory
or on a disk. One kilobyte equals 1024 bytes.
Local bus
An internal bus that controls the connections from the
microprocessor to the VGA and IDE interfaces on this
computer. Local bus provides increased performance and
speed. See also Bus.
4 G l o s s a r y