Elsa Erazor II User Manual
Glossary
ELSA ERAZOR II and ELSA VICTORY Erazor LT
32
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DPMS – Abbreviation of VESA Display Power
Management Signaling. This standard allows
an energy-saving operation of monitors in sev-
eral steps. The graphics boards described in
this manual support VESA DPMS.
Management Signaling. This standard allows
an energy-saving operation of monitors in sev-
eral steps. The graphics boards described in
this manual support VESA DPMS.
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DRAM – Abbreviation of Dynamic Random
Access Memory. Volatile memory for read and
write operations.
Access Memory. Volatile memory for read and
write operations.
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EDO-RAM – Abbreviation for Extended Data
Output Random Access Memory (Hyper Page
Mode). EDO-RAM is very common on graphics
boards, as the most recently used data persist
in memory. A number of read accesses to sim-
ilar data occur during the generation of an
image, so that use of EDO-RAM gives a signifi-
cant speed advantage.
Output Random Access Memory (Hyper Page
Mode). EDO-RAM is very common on graphics
boards, as the most recently used data persist
in memory. A number of read accesses to sim-
ilar data occur during the generation of an
image, so that use of EDO-RAM gives a signifi-
cant speed advantage.
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FCC – FCC compliance means that a device
has been tested and found to comply with the
limits for a Class B digital device pursuant to
Part 15 of the FCC Rules, designed to provide
reasonable protection against harmful inter-
ference in a residential installation.
has been tested and found to comply with the
limits for a Class B digital device pursuant to
Part 15 of the FCC Rules, designed to provide
reasonable protection against harmful inter-
ference in a residential installation.
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FIFO method – (first in, first out) a system
used in batch processing and queues in which
the first signal to arrive is processed first.
used in batch processing and queues in which
the first signal to arrive is processed first.
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Fill Rate – Is the rate at which pixels are
drawn into the screen memory, and expresses
the overall performance of the processor. Cur-
rent values are around 50-70 Mpixels/s. With
increasing demands of resolution, ➞depth
complexity and fps, the fill rates will have to
increase dramatically.
drawn into the screen memory, and expresses
the overall performance of the processor. Cur-
rent values are around 50-70 Mpixels/s. With
increasing demands of resolution, ➞depth
complexity and fps, the fill rates will have to
increase dramatically.
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Fixed-frequency monitor – A monitor that
can only be operated at a specific resolution
and refresh rate.
can only be operated at a specific resolution
and refresh rate.
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Flat shading – ➞'Shading'.
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Flipping – The image generated in the ➞back
buffer is displayed.
buffer is displayed.
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Fps – Or frame rate, refers to how many times
per second the scene is updated by the render-
ing engine. Frame rates beyond 30 fps achieve
smoother, more realistic animation.
per second the scene is updated by the render-
ing engine. Frame rates beyond 30 fps achieve
smoother, more realistic animation.
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Frame buffer – Part of the graphics memory in
which the image next to be displayed on the
screen is generated. In addition, transparency
effects are calculated in the frame buffer.
which the image next to be displayed on the
screen is generated. In addition, transparency
effects are calculated in the frame buffer.
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Front buffer – is the name for the visible
image page in ➞double buffering.
image page in ➞double buffering.
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Geometrical transformation – The position
of the object in space is determined from the
observer's point of view.
of the object in space is determined from the
observer's point of view.
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Gouraud shading – ➞ 'Shading'.
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Graphics accelerator – refers to a graphics
accelerator board, i.e a board particularly
suited for graphics intensive user environ-
ments.
accelerator board, i.e a board particularly
suited for graphics intensive user environ-
ments.
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HighColor – designates a 15-bpp or 16-bpp
(bits per pixel) graphics mode, i.e. 32,768 or
65,536 colors.
(bits per pixel) graphics mode, i.e. 32,768 or
65,536 colors.
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Horizontal frequency – The horizontal fre-
quency (scan frequency) of a monitor in kHz.
This value must be set in accordance with the
operating limits of the monitor, otherwise the
monitor might be damaged in extreme cases.
quency (scan frequency) of a monitor in kHz.
This value must be set in accordance with the
operating limits of the monitor, otherwise the
monitor might be damaged in extreme cases.
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Horizontal scan frequency – The horizontal
scan frequency of a monitor in kHz. This value
must be set in accordance with the operating
limits of the monitor, otherwise the monitor
might be damaged in extreme cases.
scan frequency of a monitor in kHz. This value
must be set in accordance with the operating
limits of the monitor, otherwise the monitor
might be damaged in extreme cases.
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Interpolation – A video image must be
stretched or shrunk in order to fit into the dis-
play window. If pixels are simply multiplied (for
example, a block of four equally colored pixels
represents the original pixel), aliasing effects
("blocks" and "stairs") will occur. This can be
avoided by interpolation procedures (using
stretched or shrunk in order to fit into the dis-
play window. If pixels are simply multiplied (for
example, a block of four equally colored pixels
represents the original pixel), aliasing effects
("blocks" and "stairs") will occur. This can be
avoided by interpolation procedures (using