HID HDPii User Manual page 297

BIOS (Basic The part of the operating system in a computer that handles
Input/Output System) communication between the PC Board and its peripherals.
Typically residing in chip-based, non-volatile memory.
Bit An abbreviation for binary digital. Each bit is an element of
information that can have two states: off and on.
Bit map A graphic produced by an array of pixel elements with the color
hue, brightness and saturation information stored in bits. The
more bits, the more values and thus the greater variety. 1 bit color
is black and white, 8-bit color produces 256 shades of gray and
24-bit color can produce 16.7 million colors.
Board A term used for the circuit Board, a hard mylar plate made of
many layers, that holds the electronic circuit elements and wire
traces.
Boot-up A series of operations that the Printer runs through when power is
first applied including a series of initializing, status testing and a
diagnostics program to ensure a ready state.
Buffer A block of memory, in the Printer or PC, that holds print files until
the processor is ready to print them.
Cable A set of conductors wrapped together and often concealed within
insulation, used for signal transfer from one device to another,
with connectors on either end that allows the cable to be
removed.
Cache A type of memory Buffer to store data temporarily, used to hold
information that is most often exchanged between controller and
peripheral, to expedite data transfer.
Calibrating A procedure to adjust an electro-mechanical device so that it
operates within established parameters.
Cleaning Roller High tack Rollers positioned just after the input hopper to lift
debris off the card as it rolls over it. A clean card surface improves
print quality.
CD (Compact Disc) A 4.75 inch (12 cm) optical disk that stores data, written too and
read from using a laser.
DMA (Direct Memory Channels designated within the Windows operating environment
Access) that are used for dedicated high-speed communication between
the PC and the Printer port.
Centronics A parallel communications interface that has become the
standard for connections to Printers, designed by the Centronics
Corp.
HDPii High Definition Card Printer/Encoder User Guide L001130 Rev 1.4
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