MAGNI SYSTEMS, INC.

XR200/XR256

Category                   Video
Video Types Supported      XVGA
Video Processor            Tseng Labs
Highest Resolution         1024 x 768
Supported
Data Bus Type              16-bit ISA
Memory Type                DRAM
Maximum Onboard Memory     1MB (Exact location of memory is unidentified)

[Image]

                                CONNECTIONS

        Purpose           Location           Purpose           Location

  15-pin analog video       CN1        Video input                CN3
  port                                 connector

  VGA feature               CN2        Video output               CN4
  connector                            connector

                        I/O PORT ADDRESS SELECTION

                Address                                JP4

  »             298h - 29Bh                 Pins 1 & 3, 2 & 4 closed

                2F0h - 2F3h                 Pins 2 & 4, 3 & 5 closed

                398h - 39Bh                 Pins 1 & 3, 4 & 6 closed

                3E0h - 3E3h                 Pins 3 & 5, 4 & 6 closed

                    VGA FEATURE CONNECTOR CONFIGURATION

                Setting                                 JP3

  »               Disabled                       Pins 1 & 2 closed

                   Enabled                       Pins 2 & 3 closed

                          INTERRUPT CONFIGURATION

                IRQ 2/9                                 JP1

  »               Disabled                       Pins 2 & 3 closed

                   Enabled                       Pins 1 & 2 closed

                       ZERO WAIT STATE CONFIGURATION

                Setting                                 JP2

  »                Enabled                       Pins 1 & 2 closed

                  Disabled                       Pins 2 & 3 closed

                      VIDEO FORMATTING CONFIGURATION

               Setting                                SW1

           Composite video              Push switch in the up position

               S-video                    Push switch in the downward
                                                   position

                       MISCELLANEOUS TECHNICAL NOTE

  The XR256 is identical to the XR200. The XR256 is just limited to
  having only 256 colors.