RELIALOGIC CORPORATION PRIVATE, LTD.

WINDOWS ACCELERATOR CW31

Category                   Video
Video Type                 XVGA
Video Processor            Western Digital
Highest Resolution         1280 x 1024
Supported
Data Bus Type              16-bit ISA
Memory Type                DRAM
Maximum Onboard Memory     1MB

[Image]

                                CONNECTIONS

        Purpose            Location          Purpose          Location

  15-pin analog video        CN1           16-Bit Sierra         U13
         port                             RAMDAC socket

      VESA Feature           CN2
       connector

                      HORIZONTAL SCAN RATE SELECTION

                Purpose                                JP1

  »               31.5KHz                        Pins 1 & 2 open

                   40KHz                        Pins 1 & 2 closed

                           WAIT STATE SELECTION

           MEMORY WAIT STATE                           JP2

  »           Zero Wait State                   Pins 1 & 2 closed

               One Wait State                    Pins 1 & 2 open

                              BIOS SELECTION

                Setting                             JP1 & JP3

  »          16-Bit Video BIOS            JP1 Pins 5&6, 7&8 closed, JP3
                                                 Pins 2&3 closed

             8-Bit Video BIOS            JP1 5&6, 7&8 open, JP3 Pins 2&3
                                                     closed

                   1024 X 768 REFRESH RATES

            Refresh              SW1/switch 1    SW1/switch 2

          Interlaced                 Off             Off

      60Hz Non-Interlaced             On             Off

      70Hz Non Interlaced            Off              On

      72Hz Non-Interlaced             On              On

                    800 X 600 REFRESH RATES

            Refresh              SW1/switch 3    SW1/switch 4

             56Hz                    Off             Off

             60Hz                     On             Off

             70Hz                    Off              On

             72Hz                     On              On

        VIDEO MEMORY CONFIGURATION

  Size        Bank 0           Bank 1

  512KB      (4) 44256          NONE

   1MB       (4) 44256        (4) 44256

                          MEMORY BANK COMPOSITION

                   Selection                               JP1

  »    Bank 0 = U1, U2, U3, U4, U7, U8, U9, &        Pins 3 & 4 open
                        U10

             Bank 1 = U1, U2, U7, & U10             Pins 3 & 4 closed