UNIDENTIFIED

HMC86304 VER 1.01

Category                   Video
Video Types Supported      XVGA
Video Processor            HMC86304
Highest Resolution         1024 x 768
Supported
Data Bus Type              16-bit ISA
Memory Type                DRAM
Maximum Onboard Memory     512KB

[Image]

                      CONNECTIONS

          Purpose                    Location

  15-pin analog video port              CN1

                           INTERRUPT IRQ9 SELECT

                 Setting                               JP24

  »               Disabled                             Open

                   Enabled                            Closed

                              ZERO WAIT STATE

                 Setting                               JP25

  »               Disabled                             Open

                   Enabled                            Closed

                CLOCK SPEED SELECT

     Setting           JP21             JP22

   40Mhz clock        Closed            Open

  44.4Mhz clock        Open            Closed

                                   MEMORY SIZE SELECT

  Size    JP23/A  JP23/B   JP23/C   JP23/D   JP23/E   JP23/F   JP23/G   JP23/H   JP23/I

  256KB   1 & 2   1 & 2    1 & 2    1 & 2    1 & 2    1 & 2    1 & 2    1 & 2    1 & 2

  512KB   2 & 3   2 & 3    2 & 3    2 & 3    2 & 3    2 & 3    2 & 3    2 & 3    2 & 3

  Note: Pins designated are in the closed position.

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

     256KB        (2) 64K x 8     (2) 64K x 8

     512KB        (2) 256K x 4   (2) 256K x 4