HP Vectra VE 5/xxx - 2 User Manual page 75

Setup Item
Video
Video system
Video BIOS shadowing
Video Plug & Play display
640x480 mode
800x600 mode
1024x768 mode
1280x1024 mode
Memory and Cache
Memory caching
Memory hole
Shadow/Cache ISA Option
ROMs
Default
EGA/VGA Select video display type.
Enabled Enables / disables video BIOS shadowing (for
AT external boards only) Enabling the BIOS
shadowing improves performance.
Enabled This feature will automatically set the best
ergonomic refresh rates supported by your
DDC display. Switch on the display before
the PC to enable this feature. If the display
does not support DDC, the BIOS might
automatically disable the option.
75Hz Set your preferred refresh rate for each
graphic mode. All refresh rates may not be
75Hz
available for certain color depths. The video
BIOS will automatically choose the best fit
75Hz
should this be the case. The higher the
i43Hz refresh rate, the better the ergonomic
performance. The lower the refresh rate, the
better the video performance. Your display
must be able to support the refresh rates
(vertical frequencies) you set.
Both Controls internal (L1) and external cache (L2)
memory caching.
Disabled Sets a 1MB memory hole between 15 and
16MB if needed. You need at least 16 MB for
this option to be available.
Enabled Enables shadowing and caching for ISA "Non-
PnP" Option ROMs for region X-Y, in order to
improve performance. Note that some Option
ROMs cannot be shadowed.
4 The HP Setup Program
Using the HP Setup Program
Action
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