UNIDENTIFIED

ET4000VL-BUS

Category                   Video
Video Types Supported      XVGA
Video Processor            Tseng Laboratories ET 4000
Highest Resolution         1280 x 1024
Supported
Data Bus Type              32-bit VESA local bus
Memory Type                DRAM
Maximum Onboard Memory     1MB

[Image]

                                CONNECTIONS

       Purpose          Location            Purpose            Location

  15-pin analog            CN1        VGA feature connector       CN2
  video port

  INTERRUPT SELECTION

    IRQ2        JP8

  Enabled      Close

  Disabled      Open

      ISA VGA BIOS

  Setting       JP9

  Enabled      Close

  Disabled     Open

    LOCAL BUS VGA CONFIGURATION

  Setting       JP1        JP4

  Enabled     Closed      Closed

  Disabled     Open        Open

                         MIN/IO CYCLES

  MIN T2 MIO=1   MIN T2 MIO=1         JP2            JP3

       1               1               1              3

       2               4               1              0

       3               3               0              1

       4               4               0              0

  FACTORY CONFIGURED SETTINGS - DO NOT ALTER

        Jumpers                Settings

          JP5                Unidentified

          JP6                Unidentified

          JP7                Unidentified

  Note: JP5-7 control clock IC frequency

                    DRAM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2

     256KB      (2) 256 x 4        None          None

     512KB      (2) 256 x 4    (2) 256 x 4       None

      1MB       (2) 256 x 4    (2) 256 x 4    (4) 256 x 4