
DIAMOND MULTIMEDIA SYSTEMS, INC.

SPEEDSTAR 24X

Category                    Video
Video Types Supported       XVGA
Video Processor             WD90C31
Highest Resolution          1280 x 1024
Supported
Data Bus Type               VESA local bus
Memory Type                 VRAM
Maximum Onboard Memory      1024KB

[Image]

                                CONNECTIONS

         Purpose           Location           Purpose          Location

  VESA Feature                CN1        15-pin analog            CN2
  connector                              video port

                             WAIT STATE SELECT

             Zero Wait State                            JP1

                  Enabled                            Closed

                  Disabled                             Open

                          VIDEO INTERRUPT SELECT

                  IRQ2                                  JP3

                  Enabled                            Closed

                  Disabled                             Open

                              BIOS ROM ACCESS

             Address Width                              JP4

          16--bit BIOS ROM access                    Closed

            8-bit BIOS ROM access                      Open

                     800 X 600 MONITOR RETRACE SELECT

               Timing                      SW1/1              SW1/2

         56Hz (non-interlaced)             On                  On

          72Hz (non-interlaced)             On                 Off

          60Hz (non-interlaced)             Off                 On

                     1024 X 768 MONITOR RETRACE SELECT

               Timing                      SW1/3              SW1/4

           43Hz (interlaced)               On                  On

          70Hz (non-interlaced)             On                 Off

          60Hz (non-interlaced)             Off                 On

          72Hz (non-interlaced)             Off                Off

  ALTERNATE TIMING SELECT

   Setting        SW1/5

    Normal

  Alternate

