
HAWK COMPUTERS

486 CACHE VER. 3

Processor         80486SX/80487SX/80486DX
Processor Speed   25/33MHz
Chip Set          OPTI
Max. Onboard DRAM 32MB
Cache             64/128/256/512KB
BIOS              AMI
Dimensions        355mm x 304mm
I/O Options       None
NPU Options       4167

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  External battery            J1       Power LED & keylock         J27

  Turbo switch                J25      Turbo LED                   J91

  Speaker                     J26      Reset switch                SW1

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not alter        JP1           pins 1 & 2
                                                              closed

     Monitor type select color                JP2            Closed

      Monitor type select monochrome           JP2             Open

     Factory configured - do not alter        JP3           pins 2 & 3
                                                              closed

     Factory configured - do not alter        JP4           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

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

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

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

     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

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

                           CACHE CONFIGURATION

     Size          Bank 0         Bank 1      TAG (U830)     TAG (U832)

     64KB        (8) 8K x 8        NONE       (1) 8K x 8     (1) 16K x 1

     128KB       (8) 8K x 8     (8) 8K x 8    (1) 8K x 8        NONE

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

     512KB      (8) 32K x 8    (8) 32K x 8    (1) 32K x 8       NONE

                     CACHE JUMPER CONFIGURATION

   Size      JC1      JC2       JC3       JC4      JC5       JC6

   64KB     Open     1 & 2     Closed    Closed   1 & 2     1 & 2

  128KB     Open     2 & 3     Closed    Open     1 & 2     1 & 2

  256KB     Closed   2 & 3     Open      Closed   2 & 3     1 & 2

  512KB     Closed   2 & 3     Open      Open     2 & 3     2 & 3

  Note: Pins designated should be in the closed position.

                          CPU TYPE CONFIGURATION

     Type             JM1                 JM2                 JM3

   80486SX           Open          pins 2 & 3 closed   pins 2 & 3 closed

   80487SX          Closed         pins 1 & 2 closed   pins 2 & 3 closed

   80486DX          Closed         pins 1 & 2 closed   pins 1 & 2 closed

