STB SYSTEMS, INC.

POWERGRAPH C33

Card Type                    Video card
Video Chip Set               Western Digital
Maximum Video Memory         2MB DRAM
Video Types Supported        XVGA
Highest Resolution Supported 1280 x 1024
Data Bus                     32-bit VESA Local Bus

[Image]

                                CONNECTIONS

          Function            Label            Function             Label

  15-pin analog video port    CN1     Feature connector             CN2

                        USER CONFIGURABLE SETTINGS

                  Function                      Label        Position

  »   Standard fonts                            JP1/5          Open

      TUV fonts                                 JP1/5         Closed

  »   Vesa bus enabled for 80486 systems          W1          Pin 2-3

      Vesa bus enabled for 80386 systems          W1          Pin 1-2

      B/C Disconnect                              W2          Pin 1-2

      B/C Connect                                 W2          Pin 2-3

  Note: TUV is the German standard for character spacing. May not be
  compatible with some DOS applications

                   DRAM CONFIGURATION

  Note: Location of upgradable DRAM ports unavailable.

                     REFRESH RATE (800X600, 16 COLORS)

   Vertical       Horizontal        Setting         JP1/1        JP1/2

     56 Hz         35.3 kHz        Interlaced        Open         Open

     56 Hz         35.3 kHz      Noninterlaced      Closed       Closed

     60 Hz         38.0 kHz      Noninterlaced       Open        Closed

     72 Hz         48.2 kHz      Noninterlaced      Closed        Open

                          REFRESH RATE (1024X768)

   Vertical       Horizontal        Setting         JP1/3        JP1/4

     60 Hz         48.5 kHz      Noninterlaced       Open        Closed

     70 Hz         56.0 kHz      Noninterlaced      Closed        Open

     72 Hz         59.7 kHz      Noninterlaced      Closed       Closed

    86.7 Hz        35.4 kHz        Interlaced        Open         Open

                       MISCELLANEOUS TECHNICAL NOTES

  The settings for JP2/1-3 are undetermined. Do not alter from factory
  settings, or refer to documentation.