Octagon PC-500, User Manual

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13-1
PC-500 user’s manual CRTs and flat panels
Chapter 13:
CRTs and flat panels
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Description
The PC-500 supports a variety of high-performance flat panels and
SVGA CRT monitors. The video section has 2 MB of video DRAM for
high resolution displays and simultaneous CRT and flat panel opera-
tion. The video controller circuit operates on the local bus at full proces-
sor speed allowing for faster execution of programs such as Windows.
Standard VGA monitors with analog inputs are connected using a
VGA-12 cable connected to J6. Flat panel displays are connected using
a 50-pin connector at J5. Refer to the VGA 65550 utility disk for addi-
tional information on flat panel displays.
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Video features
Below is a list of standard video features installed on the PC-500:
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High performance Chips & Technologies VGA 65550 video controller
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2 MB DRAM for display buffering
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CRT support with resolutions to 1024 x 768 at 75 MHz
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Flat panel support with resolutions the following resolutions:
— 640 x 480 x 24 bpp
— 800 x 600 x 24 bpp
— 1024 x 768 x 16 bpp
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Support for plasma, EL and LCD displays
— 3V and 5V flat panel support (jumper selectable)
— Flat panel power sequencing
— Software adjustable positive bias voltage supply for passive
LCD panels (negative bias voltage supply is optional)
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PC-video interface for full motion video overlay
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Local bus interface for fast execution
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120MHz/133MHz option for enhanced temperature performance
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Video options
The standard version of PC-500 has all of the above video features
installed. Under OEM contract, the user has the option to eliminate all
or specific portions of the video section. The following table lists video
features that the end-user can consider as either standard or optional.