Epson EQUITY 3865X/20 PLUS - Manual (Page 256)

R S - 2 3 2 C
A widely used, standard type of serial interface. You can easily
connect an RS-232C compatible device to the built-in port on
your computer.
Sector
A contiguous section of a disk track that provides an address at
which the computer can access data.
Self test
The initial diagnostics procedures a system performs to check its
hardware.
Serial
The type of interface that transmits data one bit at a time. See
Interface and Parallel.
Shadow RAM
The feature provided by the Equity 386SX/20 PLUS that
enables the computer to copy the ROM BIOS and video ROM
into the RAM area of memory to speed up processing.
SIMM
See Memory module.
Software
The programs that enable your computer to perform the tasks
and functions you indicate.
Subdirectory
A directory or group of files that branches down from another
subdirectory or from the root directory.
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