
STB SYSTEMS, INC.

MVP-2

Card Type                    Video card
Video Chip Set               Tseng Labs ET4000
Highest Resolution Supported 1280 x 1024
Maximum Video Memory         2MB DRAM
I/O Options                  Bus mouse port
Data Bus                     16-bit ISA
Video Types Supported        XVGA

[Image]

                                CONNECTIONS

        Function            Label             Function            Label

  VGA port 1 - 15-pin        CN1      VGA feature connector        CN4
                                      for channel 1

  Bus mouse port             CN2      VGA feature connector        CN5
                                      for channel 2

  VGA port 2 - 15-pin        CN3

                        USER CONFIGURABLE SETTINGS

                  Function                      Label        Position

     Zero wait states enabled                   J1          Pins 2 & 3
                                                              closed

      Zero wait states disabled                  J1          Pins 1 & 2
                                                              closed

     Video BIOS uses 16-bit data transfer       J2          Pins 2 & 3
                                                              closed

      Video BIOS uses 8-bit data transfer        J2          Pins 1 & 2
                                                              closed

     Card uses 16-bit data transfer             J3          Pins 2 & 3
                                                              closed

      Card uses 8-bit data transfer              J3          Pins 1 & 2
                                                              closed

     VPU runs at 50MHz                          J4          Pins 2 & 3
                                                              closed

      VPU runs at 40MHz                          J4          Pins 1 & 2
                                                              closed

     Bus mouse enabled                          J8          Pins 2 & 3
                                                              closed

      Bus mouse disabled                         J8          Pins 1 & 2
                                                              closed

                           VERTICAL REFRESH RATE

       Resolution               Refresh Rate                  J5

         640 x 480                 60Hz               Pins 2 & 3 closed

         800 x 600                 56Hz               Pins 2 & 3 closed

         1024 x 768          43Hz (interlaced)        Pins 2 & 3 closed

          640 x 480                 72Hz               Pins 1 & 2 closed

          800 x 600                 72Hz               Pins 1 & 2 closed

          1024 x 768                65Hz               Pins 1 & 2 closed

                               BOARD NUMBER

         Board                     J6                        J7

             1             Pins 2 & 3 closed        Pins 2 & 3 closed

              2             Pins 1 & 2 closed        Pins 2 & 3 closed

              3             Pins 2 & 3 closed        Pins 1 & 2 closed

              4             Pins 1 & 2 closed        Pins 1 & 2 closed

                            BUS MOUSE INTERRUPT

           Setting                     W1                     W2

             IR/FONT>                Closed                  Open

              IRQ5                   Open                  Closed

           DRAM - CHANNEL 1

    Size        Bank 0      Bank 1

    512KB      (4) 128KB     NONE

     1MB       (4) 128KB   (4) 128KB

           DRAM - CHANNEL 2

    Size        Bank 2      Bank 3

    512KB      (4) 128KB     NONE

     1MB       (4) 128KB   (4) 128KB

