NUMBER NINE VISUAL TECHNOLOGY

#9GXITC

Category                  Video
Video Types Supported     XVGA
Video Processor           TMS34020
Highest Resolution        1280 X 1024
Supported
Data Bus Type             16-bit ISA
Memory Type               DRAM/VRAM
Maximum Onboard Memory    4096KB DRAM/4096KB VRAM

[Image]

                                CONNECTIONS

      Purpose         Location             Purpose             Location

  15-pin analog          CN1        External VGA                 CN3
  video port                        loop-through connector

  15-pin analog          CN2        Self-test LED                LED
  video port

                         I/O ADDRESS CONFIGURATION

        Address               SW1/1            SW1/2           SW1/3

  »      2A0h - 2AFh           On               Off              On

         280h - 28Fh           On               On               On

         290h - 29Fh           On               On              Off

         2B0h - 2BFh           On               Off             Off

         2C0h - 2CFh           Off              On              Off

         2D0h - 2DFh           Off              On              Off

         2E0h - 2EFh           Off              On               On

          Reserved             Off              Off             Off

                        MONITOR TYPE CONFIGURATION

                 Type                                 SW1/5

  Single monitor: #9GXi with on-board                  On
                  VGA

   Single monitor #9gxi with external                  Off
                  VGA

   Dual monitor: #9GXi with on-board                   On
                  VGA

  Dual monitor #9gxi with external VGA                 Off

                      VGA BIOS TRANSFER CONFIGURATION

                 Setting                               SW1/6

  »      Access BIOS data in word mode                   On
                   (16-bit)

         Access BIOS data in byte mode                  Off
                   (8-bit)

                    MONOCHROME EMULATION CONFIGURATION

                 Setting                               SW1/7

  »                Disabled                             Off

                   Enabled                               On

                        MEM 16 DECODE CONFIGURATION

                 Setting                                JM1

  »     Use low and high-order address           Pins 2 & 3 closed
                   signals

          Use only high-order address            Pins 1 & 2 closed
                   signals

                        I/O 16 SIGNAL CONFIGURATION

                  Signal                                 JM2

  »               Unqualified                           Open

                   Qualified                           Closed

  FACTORY CONFIGURED - DO NOT ALTER

      Switch            Position

   SW1/switch 4            On

   SW1/switch 8            On

                   DRAM /VRAM CONFIGURATION

        Size                 DRAM                 JM3

       1024KB          (8) 256K x 4 ZIP    Pins 1 & 2 closed

       4096KB           (8) 1M x 4 ZIP     Pins 2 & 3 closed