
PEAKTRON COMPUTER, INC.

PVGA (8-DRAM)

Category              Video
Video Types Supported CGA/EGA/Monochrome/VGA/XVGA
Video Processor       TVGA 8900
Highest Resolution    1024 x768
Supported
Data Bus Type         16-bit ISA
Memory Type           DRAM
Maximum Onboard       1024KB
Memory

[Image]

                                CONNECTIONS

       Purpose          Location            Purpose            Location

  15-pin analog            CN1        VGA feature connector       CN3
  video port

  9-pin TTL video          CN2
  port

                          MONITOR TYPE SELECTION

              Type                      SW1/1                SW1/2

             VGA mode                    On                   On

              EGA mode                   Off                   On

              CGA mode                    On                  Off

          MDA/Hercules mode              Off                  Off

                            SCAN RATE SELECTION

                  Rate                                 SW1/3

                  > 48KHz                              On

                < 48 - 49KHz                            Off

                         ADDRESS DECODE SELECTION

                Setting                               SW1/5

                   Fast                               Off

                    Slow                                On

                         VIDEO INTERRUPT SELECTION

                IRQ 2/9                                 J1

                 Disabled                       Pins 2 & 3 closed

                   Enabled                       Pins 1 & 2 closed

                          BUS DATA PATH SELECTION

                  BUS                                  SW1/6

                  16-bit                               Off

                    8-bit                               On

                            BUS SIZE DETECTION

                 Setting                                 J2

                 Autodetect                     Pins 2 & 3 closed

              Standard interface                 Pins 1 & 2 closed

  FACTORY CONFIGURED - DO NOT ALTER

      Switch            Position

       SW1/4               On

                       DRAM CONFIGURATION

        Size                 Bank 0               Bank 1

        512KB              (4) 44256               NONE

       1024KB              (4) 44256             (4) 44256

  Note: The exact locations of banks 0 and 1 are unidentified.

