ISA/EISA, INC.

NIC-ware-486

Processor         80486DX
Processor Speed   25/33MHz
Chip Set          None
Max. Onboard DRAM 64MB
Cache             64/128/256/512KB
BIOS              AMI
Dimensions        349mm x 244mm
I/O Options       None
NPU Options       4167

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  Power LED & keylock        J1        Turbo switch               JP2

  Speaker                    J3        Turbo LED                  JP21

  External battery           J4        POST LEDs (L1=MSB,        L1-L8
                                       L8=LSB)

  Reset switch               JP1

                        USER CONFIGURABLE SETTINGS

                Function                    Jumper           Position

  »   External cache enabled                 JP20           pins 2 & 3
                                                              closed

      External cache disabled                JP20           pins 1 & 2
                                                              closed

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     1MB        (4) 256K x 9      NONE           NONE           NONE

     2MB        (4) 256K x 9   (4) 256K x 9      NONE           NONE

     3MB        (4) 256K x 9   (4) 256K x 9   (4) 256K x 9      NONE

     4MB        (4) 256K x 9   (4) 256K x 9   (4) 256K x 9  (4) 256K x 9

     4MB        (4) 1M x 9        NONE           NONE           NONE

     5MB        (4) 1M x 9     (4) 256K x 9      NONE           NONE

     6MB        (4) 1M x 9     (4) 256K x 9   (4) 256K x 9      NONE

     7MB        (4) 1M x 9     (4) 256K x 9   (4) 256K x 9  (4) 256K x 9

     8MB        (4) 1M x 9     (4) 1M x 9        NONE           NONE

     9MB        (4) 1M x 9     (4) 1M x 9     (4) 256K x 9      NONE

     10MB       (4) 1M x 9     (4) 1M x 9     (4) 256K x 9  (4) 256K x 9

     12MB       (4) 1M x 9     (4) 1M x 9     (4) 1M x 9        NONE

     13MB       (4) 1M x 9     (4) 1M x 9     (4) 1M x 9    (4) 256K x 9

     16MB       (4) 1M x 9     (4) 1M x 9     (4) 1M x 9     (4) 1M x 9

     16MB       (4) 4M x 9        NONE           NONE           NONE

     20MB       (4) 4M x 9     (4) 1M x 9        NONE           NONE

     24MB       (4) 4M x 9     (4) 1M x 9     (4) 1M x 9        NONE

     28MB       (4) 4M x 9     (4) 1M x 9     (4) 1M x 9     (4) 1M x 9

     32MB       (4) 4M x 9     (4) 4M x 9        NONE           NONE

     36MB       (4) 4M x 9     (4) 4M x 9     (4) 1M x 9        NONE

     40MB       (4) 4M x 9     (4) 4M x 9     (4) 1M x 9     (4) 1M x 9

     48MB       (4) 4M x 9     (4) 4M x 9     (4) 4M x 9        NONE

     52MB       (4) 4M x 9     (4) 4M x 9     (4) 4M x 9     (4) 1M x 9

     64MB       (4) 4M x 9     (4) 4M x 9     (4) 4M x 9     (4) 4M x 9

        DRAM JUMPER CONFIGURATION

        Size                 J23

         1MB          pins 1 & 2 closed

         2MB          pins 1 & 2 closed

         3MB          pins 1 & 2 closed

         4MB          pins 1 & 2 closed

         4MB          pins 1 & 2 closed

         5MB          pins 1 & 2 closed

         6MB          pins 1 & 2 closed

         7MB          pins 1 & 2 closed

         8MB          pins 1 & 2 closed

         9MB          pins 1 & 2 closed

    DRAM JUMPER CONFIGURATION (CON’T)

        Size                 J23

        10MB          pins 1 & 2 closed

        12MB          pins 1 & 2 closed

        13MB          pins 1 & 2 closed

        16MB          pins 2 & 3 closed

        16MB          pins 2 & 3 closed

        20MB          pins 2 & 3 closed

        24MB          pins 2 & 3 closed

        28MB          pins 2 & 3 closed

        32MB          pins 2 & 3 closed

        36MB          pins 2 & 3 closed

        40MB          pins 2 & 3 closed

        48MB          pins 2 & 3 closed

        52MB          pins 2 & 3 closed

        64MB          pins 2 & 3 closed

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

     64KB        (8) 8K x 8        NONE       (1) 8K x 8

     128KB       (8) 8K x 8     (8) 8K x 8    (1) 8K x 8

     256KB      (8) 32K x 8        NONE       (1) 32K x 8

     512KB      (8) 32K x 8    (8) 32K x 8    (1) 32K x 8

                        CACHE JUMPER CONFIGURATION

  Size    JP6   JP7   JP8   JP9   JP10   JP11   JP12   JP13   JP14   JP15

  64KB    2 &   2 &   2 &   2 &   2 &    2 &    2 &    2 &    2 &     2 &
          3     3     3     3      3      3      3      3      3      3

  128KB   1 &   2 &   2 &   1 &   1 &    1 &    2 &    2 &    1 &     2 &
          2     3     3     2      2      2      3      3      2      3

  256KB   2 &   1 &   2 &   2 &   2 &    1 &    1 &    2 &    1 &     1 &
          3     2     3     3      3      2      2      3      2      2

  512KB   1 &   2 &   1 &   1 &   1 &    1 &    1 &    1 &    1 &     1 &
          2     3     2     2      2      2      2      2      2      2

  Note: Pins designated should be in the closed position.

                        AT BUS CLOCK CONFIGURATION

  CPU Speed       Bus Speed         JP3            JP4           JP5

    33MHz          16.5MHz          Open          Open          Closed
                   (CPU/2)

    33MHz       10MHz (Async)      Closed         Open           Open

    33MHz          8.25MHz          Open         Closed          Open
                   (CPU/4)

    25MHz          12.5MHz          Open          Open          Closed
                   (CPU/2)

    25MHz       8MHz (Async)       Closed         Open           Open

    25MHz       6.25 (CPU/4)        Open         Closed          Open