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POWERGRAPH C33
STB SYSTEMS, INC.
POWERGRAPH C33
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Card Type
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Video card
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Video Chip Set
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Western Digital
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Maximum Video Memory
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2MB DRAM
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Video Types Supported
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XVGA
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Highest Resolution Supported
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1280 x 1024
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Data Bus
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32-bit VESA Local Bus
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CONNECTIONS
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Function
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Label
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Function
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Label
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15-pin analog video port
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CN1
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Feature connector
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CN2
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USER CONFIGURABLE SETTINGS
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Function
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Label
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Position
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| »
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Standard fonts
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JP1/5
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Open
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TUV fonts
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JP1/5
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Closed
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| »
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Vesa bus enabled for 80486 systems
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W1
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Pin 2-3
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Vesa bus enabled for 80386 systems
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W1
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Pin 1-2
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B/C Disconnect
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W2
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Pin 1-2
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B/C Connect
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W2
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Pin 2-3
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Note: TUV is the German standard for character spacing. May not be compatible with some DOS applications
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DRAM CONFIGURATION
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Note: Location of upgradable DRAM ports unavailable.
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REFRESH RATE (800X600, 16 COLORS)
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Vertical
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Horizontal
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Setting
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JP1/1
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JP1/2
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56 Hz
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35.3 kHz
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Interlaced
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Open
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Open
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56 Hz
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35.3 kHz
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Noninterlaced
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Closed
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Closed
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60 Hz
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38.0 kHz
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Noninterlaced
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Open
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Closed
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72 Hz
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48.2 kHz
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Noninterlaced
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Closed
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Open
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REFRESH RATE (1024X768)
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Vertical
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Horizontal
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Setting
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JP1/3
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JP1/4
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60 Hz
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48.5 kHz
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Noninterlaced
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Open
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Closed
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70 Hz
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56.0 kHz
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Noninterlaced
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Closed
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Open
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72 Hz
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59.7 kHz
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Noninterlaced
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Closed
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Closed
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86.7 Hz
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35.4 kHz
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Interlaced
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Open
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Open
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MISCELLANEOUS TECHNICAL NOTES
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The settings for JP2/1-3 are undetermined. Do not alter from factory settings, or refer to documentation.
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