
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

