UNIDENTIFIED

S3 LOCAL BUS VGA

Category                    Video
Video Types Supported       XVGA
Video Processor             S3
Highest Resolution          1024 x 768
Supported
Data Bus Type               16-bit EISA
Memory Type                 VRAM
Maximum Onboard Memory      1024KB

[Image]

                      CONNECTIONS

          Purpose                    Location

  15-pin analog video port              CN1

                       VIDEO MEMORY SPEED SELECTION

                 Speed                                 JP9

  »                100ns                        Pins 2 & 3 closed

                   80ns                         Pins 1 & 2 closed

              640 X 480 REFRESH RATE SELECTION

  Rate    SW1/1    SW1/2    SW1/3    SW1/4   SW1/5    SW1/6

  56Hz      On      Off      On       Off     Off       On

  60Hz      On      Off      On       Off      On      Off

                   800 X 600 REFRESH RATE CONFIGURATION

  Rate        Mode         SW1/1   SW1/2   SW1/3   SW1/4    SW1/5   SW1/6

  43Hz     Interfaced      Off      On      On      Off     Off      On

  60Hz   Non-Interlaced     On     Off      Off     On      Off      On

  60Hz   Non-Interlaced     On     Off      Off     On       On     Off

  70Hz   Non-Interlaced    Off      On      On      Off      On     Off

                   1024 X 768 REFRESH RATE CONFIGURATION

  Rate        Mode         SW1/1   SW1/2   SW1/3   SW1/4    SW1/5   SW1/6

  70Hz   Non-Interlaced    Off      On      Off     On       On     Off

  70Hz   Non-Interlaced    Off      On      Off     On      Off      On

                            VRAM CONFIGURATION

       Size             Bank 0            Bank 1              JP10

       256KB          (2) 256K x 4         None         Pins 2 & 3 closed
                         VRAM

       512KB          (4) 256K x 4         None         Pins 2 & 3 closed
                         VRAM

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