
WILLOW PERIPHERALS

VGA-TV 4000

Category                    Video
Video Types Supported       XVGA
Video Processor             ET4000
Highest Resolution          1280 x 1024
Supported
Data Bus Type               16-bit ISA
Memory Type                 DRAM
Maximum Onboard Memory      1024KB

[Image]

                                CONNECTIONS

       Purpose          Location            Purpose           Location

  Composite video          J1         15-pin analog video        J3
  port                                connector

  4-pin mini DIN           J2
  jack

                          BOOT UP MODE SELECTION

       Setting               Mode              SW1/5           SW1/6

       NTSC mode          Underscan            Off              On

         VGA mode          Overscan             On              Off

  Note: SW1/5 must be in the Off position for SW1/6 to function.

                         VIDEO CARD CONFIGURATION

        Setting               Select           SW1/7           SW1/8

          Enabled            Master            On              Off

          Disabled            Slave             Off              On

       Note: SW1/8 must be in the Off position if SW1/7 is On and SW1/8
       must be On if SW1/7 is Off. If both switches have the same setting
       the operation is undefined.

                        I/O BASE ADDRESS SELECTION

                Address                               SW1/4

                   310h                               Off

                    300h                                On

               MULTIPLE CARD I/O BASE ADDRESS CONFIGURATION

       ID             Address         SW1/1        SW1/2         SW1/3

         2         3X4h - 3X5h         On          Off           On

          0         3X0h - 3X1h         On           On           On

          1         3X2h - 3X3h        Off           On           On

          3         3X6h - 3X7h        Off          Off           On

          4         3X8h - 3X9h         On           On           Off

          5         3XAh - 3XBh        Off           On           Off

          6         3XCh - 3XDh         On          Off           Off

          7         3XEh - 3XFh        Off          Off           Off

  Note: X=0 or 1.

                            VSYNC CONFIGURATION

                Setting                                 JP8

           Output always present                Pins 2 & 3 closed

       Output present only in VGA mode           Pins 1 & 2 closed

    FACTORY CONFIGURED - DO NOT ALTER

       Jumper              Position

         JP5                 Open

         JP6                 Open

         JP7                 Open

        JP10          Pins 1 & 2 closed

