PEAKTRON COMPUTER, INC.

PVGA 2/4/8-DRAM (VERSION 2)

Category              Video
Video Types Supported CGA/EGA/Monochrome/VGA/XVGA
Video Processor       TVGA 8900
Highest Resolution    1024 x 768
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

                Setting                                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               J3

      256KB           (2) 44256            NONE         Pins 1 & 2, 4 & 5
                                                             closed

      512KB           (4) 44256            NONE         Pins 1 & 4, 2 & 5
                                                             closed

      1024KB          (4) 44256          (4) 44256      Pins 2 & 3, 5 & 6
                                                             closed

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