
POSITIVE CORPORATION

VGA-16

Category                   Video
Video Types Supported      XVGA
Video Processor            Unidentified
Highest Resolution         1024 x 768
Supported
Data Bus Type              16-bit ISA
Memory Type                DRAM
Maximum Onboard Memory     512KB

[Image]

                                CONNECTIONS

       Purpose          Location            Purpose            Location

  15-pin analog            CN1        VGA feature connector       CN2
  video port

                          VGA BIOS CONFIGURATION

                Setting                                 JP1

             VGA BIOS Enabled                   Pins 1 & 2 closed

               Remaps VGA BIOS                   Pins 2 & 3 closed

                         VGA TIMING CONFIGURATION

                Setting                                 JP4

              Standard timing                   Pins 1 & 2 closed

               Special timing                    Pins 2 & 3 closed

                          VGA MODE CONFIGURATION

                 Setting                                JP6

         Color or Monochrome modes              Pins 1 & 2 closed

        Operation of two monitors & two          Pins 2 & 3 closed
                 video boards

                        VGA BIOS TYPE CONFIGURATION

                Setting                                JP7

                  16-bit                       Pins 1 & 2 closed

                   8-bit                        Pins 2 & 3 closed

                           VGA ROM CONFIGURATION

                 Setting                                JP8

         Paired video ROM (16-bit)              Pins 2 & 3 closed

          Single video ROM (8-bit)               Pins 1 & 2 closed

              DRAM CONFIGURATION

     Memory         Bank 0          Bank 1

     256KB        (2) 256K x 4       None

     512KB        (2) 256K x 4   (2) 256K x 4

        FACTORY CONFIGURED - DO NOT ALTER

         Jumper                 Position

          JP2                      N/A

          JP3                      N/A

          JP5                     Open

  Note: Exact location of JP5 is unidentified.

