ESCOM AG

GRAPHICS ACCELERATOR VGA (P/N 2150/2150D)

Category                     Video
Video Types Supported        XVGA
Video Processor              86C911
Highest Resolution Supported 1280 x 1024
Data Bus Type                16-bit ISA
Memory Type                  VRAM
Maximum Onboard Memory       1MB

[Image]

                                CONNECTIONS

       Purpose          Location            Purpose            Location

  15-pin analog            CN1        VGA feature connector       CN2
  video port

                       DISPLAY RESOLUTION SELECTION

   Resolution       Vertical      Horizon      SW1/1    SW1/2     SW1/3
                    Refresh       Refresh

    640 x 480         60Hz        31.5KHz       Off      Off       Off

    640 x 480         73Hz         38KHz        Off      Off        On

    800 x 600         60Hz        37.9KHz       Off       On       Off

    800 x 600         72Hz         48KHz        Off       On        On

    800 x 600         56Hz        35.5KHz       On       Off       Off

    1024 x 768       43.5Hz       35.5KHz       On       Off        On
   interlaced

   1024 x 768         60Hz        48.5KHz       On        On       Off

   1024 x 768         70Hz        56.5KHz       On        On        On

       DISLAY MEMORY CONFIGURATION

       Memory                JP6

        512KB         Pins 2 & 3 closed

         1MB          Pins 1 & 2 closed

                 ANALOG MONITOR SENSE SOURCE CONFIGURATION

                Setting                                 JP4

  »     Use monitor ID to drive sense            Pins 1 & 2 closed
                    line

       Use color detect logic to drive           Pins 2 & 3 closed
                 sense line

                          INTERRUPT CONFIGURATION

                IRQ 2/9                                 JP2

  »               Disabled                       Pins 1 & 2 closed

                   Enabled                       Pins 2 & 3 closed

                          ISA BUS SPEED SELECTION

           Speed                     JP1                     JP7

  »       6MHz or 8MHz        Pins 2 & 3 closed       Pins 1 & 2 closed

         10MHz or 12MHz       Pins 1 & 2 closed       Pins 2 & 3 closed

                            VRAM CONFIGURATION

         Memory             Bank 0 (U2, U4, U6,      Bank 1 (U1, U3, U5,
                                   U8)                      U7)

          512KB              (4) 256K x 4 ZIP               NONE

           1MB               (4) 256K x 4 ZIP         (4) 256K x 4 ZIP

                       MISCELLANEOUS TECHNICAL NOTE

  The P/N 2150 comes with a 55MHz oscillator on board while the P/N 2150D
  does not.