Epson 500 Series User Manual
G l o s s a r y
486SLC2-50
A clock-doubled CPU specifically designed for high-performance,
low-power systems. The chip is fully compatible with the 486
instruction set, and includes a 1KB instruction/data cache. The CPU
core operates at 50 MHz-twice the speed of the system.
AC adapter
The device that converts AC voltage from a wall outlet into the proper
DC voltage to power your Action Note. The AC adapter also charges
the battery pack while it is in the computer.
AUTOEXEC.BAT file
A batch file that MS-DOS executes automatically each time you tum
on or reset the computer.
Backlighting (or backlit)
The intemal fluorescent illumination of the computer’s LCD screen.
LCD screens that are not backlit are diffcult to see without an external
source of light.
Baud rate
A measure of data transmission speed. Equivalent to bits per second.
BIOS
Basic Input/Output System. Routines in ROM that handle the basic
input/output functions of the operating system.
CMOS ROM
As special type of low-power memory in your Action Note that records
information about your system configuration. Unlike RAM, CMOS
ROM is backed up by a battery and is not erased when you turn off
the computer.
Glossary
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