
HAUPPAUGE COMPUTER WORKS, INC.

MODEL 486M VBB MODULAR

Processor            80486DX/80486DX2 (located on an external CPU card)
Processor Speed      33/50/66(internal)MHz
Chip Set             C & T
Max. Onboard DRAM    64MB
Cache                64/128/256/1024KB (located on an external CPU card)
BIOS                 MR
Dimensions           330mm x 218mm
I/O Options          32-bit external CPU cards (2), floppy drive interface,
                     IDE interface, parallel port, serial ports (2)
NPU Options          None

[Image]

                                CONNECTIONS

  Purpose                 Location    Purpose                   Location

  32-bit CPU card slot       J1       External battery            J21

  32-bit CPU card slot       J2       PS/2 mouse port             J23

  Reset switch               J9       Floppy drive interface      J24

  Turbo switch              J11       IDE interface               J25

  Serial port 1             J13       IDE interface LED           J26

  Serial port 2             J14       32-Bit VESA local bus        S1
                                      slot

  Parallel port             J15       32-Bit VESA local bus        S2
                                      slot

  Speaker                   J19       32-Bit VESA local bus        S3
                                      slot

  Power LED & keylock       J20

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     CMOS memory normal operation            JP1           pins 2 & 3
                                                              closed

      CMOS memory clear                       JP1           pins 1 & 2
                                                              closed

     Select 0 VESA wait states               JP2           pins 1 & 2
                                                              closed

      Select 1 VESA wait state                JP2           pins 2 & 3
                                                              closed

     LB IDE enabled                          JP3           pins 1 & 2
                                                              closed

      LB IDE disabled                         JP3           pins 2 & 3
                                                              closed

     Factory configured - do not             JP5        pins 7 & 8 and 9
      alter                                                    & 10

     PS/2 mouse interrupt disabled           JP6             Closed

      PS/2 mouse interrupt enabled            JP6              Open

     Peripheral disabled                     JP7              Open

      Peripheral enabled                      JP7             Closed

     Factory configured - do not             JP13            Closed
      alter

     Factory configured - do not             JP14          pins 1 & 2
      alter                                                   closed

     Monitor type select VGA                 SW1           pins 2 & 3
                                                              closed

      Monitor type select monochrome          SW1           pins 1 & 2
                                                              closed

  Note:Pins designated should be in the closed position.

                            DRAM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2         Bank 3

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

      2MB        (1) 1M x 36       NONE       (1) 1M x 36       NONE

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

      5MB        (1) 1M x 36       NONE       (1) 4M x 36       NONE

      6MB        (1) 1M x 36    (1) 4M x 36   (1) 1M x 36       NONE

      8MB        (1) 4M x 36       NONE       (1) 4M x 36       NONE

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

     10MB        (1) 1M x 36    (1) 4M x 36   (1) 1M x 36    (1) 4M x 36

     12MB        (1) 4M x 36    (1) 4M x 36   (1) 4M x 36       NONE

     12MB        (1) 8M x 36       NONE       (1) 4M x 36       NONE

     12MB           NONE        (1) 8M x 36   (1) 4M x 36       NONE

     13MB        (1) 1M x 36    (1) 4M x 36   (1) 8M x 36       NONE

     13MB        (1) 1M x 36    (1) 4M x 36      NONE        (1) 8M x 36

     13MB        (1) 1M x 36    (1) 4M x 36   (1) 4M x 36    (1) 4M x 36

     16MB        (1) 4M x 36    (1) 4M x 36   (1) 4M x 36    (1) 4M x 36

     16MB        (1) 8M x 36       NONE       (1) 8M x 36       NONE

     16MB           NONE        (1) 8M x 36      NONE        (1) 8M x 36

     16MB         (1) 16M x        NONE          NONE           NONE
                     36

     20MB        (1) 4M x 36       NONE        (1) 16M x        NONE
                                                  36

     24MB        (1) 4M x 36     (1) 16M x    (1) 4M x 36       NONE
                                    36

     32MB         (1) 16M x        NONE        (1) 16M x        NONE
                     36                           36

     40MB        (1) 4M x 36     (1) 16M x    (1) 4M x 36   (1) 16M x 36
                                    36

                        DRAM CONFIGURATION (CONT.)

     Size          Bank 0         Bank 1        Bank 2         Bank 3

     48MB         (1) 16M x      (1) 16M x     (1) 16M x        NONE
                     36             36            36

     48MB         (1) 32M x        NONE        (1) 16M x        NONE
                     36                           36

     48MB           NONE         (1) 32M x       NONE       (1) 16M x 36
                                    36

     64MB         (1) 16M x      (1) 16M x     (1) 16M x    (1) 16M x 36
                     36             36            36

     64MB         (1) 32M x        NONE        (1) 32M x        NONE
                     36                           36

     64MB           NONE         (1) 32M x       NONE       (1) 32M x 36
                                    36

[Image]

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

      2 Clock burst from CPU from             JP1             Closed
      cache

      1 Clock burst from CPU from             JP1              Open
      cache

     Factory configured - do not             JP2              N/A
      alter

     Factory configured - do not             JP7              N/A
      alter

     Cache burst mode fill select 4          JP8             Closed
      DWORD line size

      Cache burst mode fill select 1          JP8              Open
      DWORD line size

     Factory configured - do not             JP10             Open
      alter

     Cache controller IC not                 JP11             Open
      installed

      Cache controller IC installed           JP11            Closed

      Non-cached cards using a TTL            JP12          pins 2 & 3
                                                              closed

      Non-cached cards using a                JP12          pins 1 & 2
      Tri-state LBA                                           closed

     Factory configured - do not             JP16             N/A
      alter

     Factory configured - do not             JP17             Open
      alter

     Factory configured - do not             JP18             N/A
      alter

     Factory configured - do not             JP19             N/A
      alter

  Note: One clock burst operation is not valid for single bank
  configurations using SRAMs with JP1.

                          CPU SPEED CONFIGURATION

       Speed              JP9          JP15/pins 1 & 2   JP15/pins 3 & 4

       16MHz              Open             Closed             Closed

       20MHz              Open              Open              Closed

       25MHz              Open             Closed              Open

       33MHz              Open              Open               Open

       40MHz             Closed             Open              Closed

      50iMHz              Open             Closed              Open

       50MHz             Closed              N/A               N/A

      66iMHz              Open              Open               Open

                          CPU TYPE CONFIGURATION

       Type              JP13A              JP13B             JP13C

      80486SX          pins 1 & 2         pins 1 & 2        pins 2 & 3
                         closed            closed             closed

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

      80486DX          pins 1 & 2         pins 1 & 2        pins 2 & 3
                         closed            closed             closed

     80486DX2          pins 1 & 2         pins 1 & 2        pins 2 & 3
                         closed            closed             closed

                      CACHE CONFIGURATION

      Size          Bank 0          Bank 1           TAG

      64KB        (4) 8K x 8      (4) 8K x 8      (1) 8K x 8

     128KB        (4) 32K x 8        NONE         (1) 8K x 8

     256KB        (4) 32K x 8     (4) 32K x 8    (1) 32K x 8

     1024KB      (4) 128K x 8    (4) 128K x 8    (1) 128K x 8

                        CACHE JUMPER CONFIGURATION

    Size          JP3         JP4         JP5          JP6        JP20

    64KB        pins 1 &    pins 1 &    pins 1 &     pins 1 &     Open
                   2           2           2            2

    128KB       pins 2 &    pins 1 &    pins 1 &     pins 1 &     Open
                   3           2           2            2

    256KB       pins 2 &    pins 1 &    pins 2 &     pins 1 &     Open
                   3           2           3            2

     1MB        pins 2 &    pins 2 &    pins 2 &     pins 2 &     Open
                   3           3           3            3

  Note:Pins designated should be in the closed position.

                              CACHE JUMPER CONFIGURATION

  Size    JP14A  JP14B   JP14C   JP14D   JP14E   JP14F   JP14G   JP14H   JP14I  JP14J

  64KB    1 & 2  2 & 3   2 & 3   2 & 3   2 & 3   2 & 3   2 & 3   2 & 3   2 & 3  1 & 2

  128KB   Open   1 & 2   1 & 2   1 & 2   1 & 2   1 & 2   1 & 2   Open    Open   1 & 2

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

  1MB     2 & 3  2 & 3   2 & 3   2 & 3   2 & 3   2 & 3   2 & 3   Open    2 & 3  1 & 2

  Note:Pins designated should be in the closed postion.

