ORCHID TECHNOLOGY

FAHRENHEIT 1280 PLUS/VLB

Category                    Video
Video Types Supported       XVGA
Video Processor             Orchid
Highest Resolution          1280 x 1024
Supported
Data Bus Type               32-bit VESA Local Bus
Memory Type                 DRAM
Maximum Onboard Memory      2048KB

[Image]

                                CONNECTIONS

       Purpose          Location            Purpose            Location

  15 pin analog            CN1        VGA feature connector       CN2
  video port

                        REFRESH RATE CONFIGURATION

   640 x     800 x     1024 x    1280 x    1280 x     SW1/1       SW1/2
   480       600        768       960       1024

   72Hz      72Hz      60Hz      45Hz       45Hz       Off         Off

   72Hz      72Hz      70Hz      48Hz       48Hz        On         Off

   60HZ      56HZ      43HZ       N/A       N/A        Off         On

   60Hz      60Hz      60Hz       N/A       N/A         On         On

                       VIDEO INTERRUPT CONFIGURATION

                IRQ 2/9                                 JP1

  »               Disabled                       Pins 2 & 3 closed

                   Enabled                       Pins 1 & 2 closed

                          CPU SPEED CONFIGURATION

                  Speed                                 JP1

  »          All other CPU speeds                Pins 2 & 3 closed

                 80486/50MHz                     Pins 1 & 2 closed

  FACTORY CONFIGURED - DO NOT ALTER

      Switch            Position

       SW1/4               Off

          DRAM CONFIGURATION

    Size        Bank 0      Bank 1

   1024KB      (2) 44256     None

   2048KB      (2) 44256   (2) 44256