
NORTHGATE COMPUTER SYSTEMS, INC.

ELEGANCE SP

Processor              80386DX/80486DX
Processor Speed        25/33MHz
Chip Set               VLSI
Max. Onboard DRAM      64MB
Cache                  64/256KB
BIOS                   AMI
Dimensions             350mm x 304mm
I/O Options            Proprietary CPU module slot, parallel port, serial
                       ports (2), floppy drive interface, IDE interface
NPU Options            80387/3167/4167

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  Proprietary CPU module      CPU1      Serial port 1              J9

  External battery             J2       Serial port 2              J10

  Turbo LED                    J4       Parallel port              J15

  Power LED & keylock          J5       Floppy drive interface     J16

  Reset switch                 J6       IDE interface              J17

  IDE interface LED            J8       Speaker                    J19

                        USER CONFIGURABLE SETTINGS

                Function                      Jumper         Position

     Bus speed select                          W1              N/A

     Floppy drive write precomp select         W2           pins 2 & 3
      alternate                                               closed

      Floppy drive write precomp select         W2           pins 1 & 2
      normal                                                  closed

     CPU speed select                          W3              N/A

     Monitor type select monochrome            W4           pins 1 & 2
                                                              closed

      Monitor type select color                 W4           pins 2 & 3
                                                              closed

     CMOS memory normal operation              W7             Open

      CMOS memory clear                         W7            Closed

     Parallel port mode select                W13           pins 2 & 3
      bi-directional                                          closed

      Parallel port mode select input          W13           pins 1 & 2
      only                                                    closed

     Floppy drive mode select single          W18           pins 1 & 2
      speed                                                   closed

      Floppy drive mode select dual            W18           pins 2 & 3
      speed                                                   closed

     BIOS type select                         W19              N/A

     Factory configured - do not alter    SW1 pins 1 &         N/A
                                                2

     VGA BIOS shadowing enabled           SW1 pins 7 &       Closed
                                                8

      VGA BIOS shadowing disabled          SW1 pins 7 &        Open
                                                8

     Factory configured - do not alter    SW1 pins 9 &        Open
                                                10

     BIOS shadowing enabled               SW1 pins 11 &      Closed
                                                12

      BIOS shadowing disabled              SW1 pins 11 &       Open
                                                12

     Floppy drive interface enabled       SW3 pins 1 &        Open
                                                2

      Floppy drive interface disabled      SW3 pins 1 &       Closed
                                                2

  Note:Jumpers W1, W3 and W19 are factory configured and should not be
  altered.

                            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

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

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

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

     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

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

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

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

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

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

                         DRAM JUMPER CONFIGURATION

   Size            SW1             W5       W6        W28          W29

    1MB      13 & 14, 15 & 16,   2 & 3     2 & 3      Open        Open
             17 & 18, 19 & 20

    2MB      13 & 14, 17 & 18,   2 & 3     2 & 3      Open        Open
                 19 & 20

    4MB      13 & 14, 15 & 16,   1 & 2     2 & 3      Open        Open
                 17 & 18

    6MB      15 & 16, 17 & 18,   2 & 3     2 & 3     1 & 2        2 & 3
                 19 & 20

    8MB      13 & 14, 17 & 18    1 & 2     2 & 3      Open        Open

   10MB      17 & 18, 19 & 20    2 & 3     2 & 3     1 & 2        2 & 3

   12MB      15 & 16, 17 & 18    1 & 2     2 & 3     1 & 2        2 & 3

   16MB          17 & 18         1 & 2     2 & 3     1 & 2        2 & 3

   16MB      13 & 14, 15 & 16    1 & 2     1 & 2      Open        Open

   24MB      15 & 16, 19 & 20    1 & 2     2 & 3     1 & 2        1 & 2

   32MB          13 & 14         1 & 2     1 & 2      Open        Open

   40MB          19 & 20         1 & 2     2 & 3     1 & 2        1 & 2

   48MB          15 & 16         1 & 2     1 & 2     1 & 2        1 & 2

   64MB            Open          1 & 2     1 & 2     1 & 2        1 & 2

  Note:Pins designated should be in the closed position.

         IDE CONFIGURATION

  Setting      SW21        W20

  Enabled      Open       Closed

  Disabled    Closed       Open

               PARALLEL PORT CONFIGURATION

             IRQ                         SW3

          LPT1/3BCh               pins 9 & 10 closed

          LPT1/378h                      Open

          LPT2/278h               pins 7 & 8 closed

          Disabled            pins 7 & 8, 9 & 10 closed

     PARALLEL PORT IRQ CONFIGURATION

         IRQ                 SW2

        IRQ7          pins 7 & 8 closed

        IRQ5          pins 5 & 6 closed

                 SERIAL PORT 1 CONFIGURATION

       Setting               SW2                  SW3

       Enabled         pins 1 & 2 closed          Open

      Disabled               Open          pins 5 & 6 closed

                 SERIAL PORT 2 CONFIGURATION

       Setting               SW2                  SW3

       Enabled         pins 3 & 4 closed          Open

      Disabled               Open          pins 3 & 4 closed

                            BIOS CONFIGURATION

                        Size                                  SW1

            F000-FFFF(VGA BIOS disabled)                  3 & 4, 5 & 6

    F000-FFFF, E000-EFFF (VGA BIOS disabled, BIOS            3 & 4
                 shadowing enabled)

           F000-FFFF VGA BIOS at C000-C7FF                   5 & 6

  F000-FFFF VGA BIOS at C000-C7FF, IDE interface at          5 & 6
                      C800-CFFF

  Note : Pins designated should be in the closed position.

[Image]

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not              W2               N/A
      alter

     CACHE CONFIGURATION

     Size          Bank 0

     64KB        (8) 8K x 8

     256KB      (8) 32K x 8

               CACHE JUMPER CONFIGURATION

            Size                        W1

            64KB                       Open

           256KB             pins 1 & 2, 3 & 4 closed

[Image]

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not              W6               N/A
      alter

     Factory configured - do not              W7               N/A
      alter

     CACHE CONFIGURATION

     Size          Bank 0

     64KB        (8) 8K x 8

     256KB      (8) 32K x 8

                        CACHE JUMPER CONFIGURATION

      Size               W1                 W2                 W5

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

     256KB           pins 2 & 3         pins 2 & 3      pins 3 & 4, 5 & 6
                       closed             closed             closed

                         BURST MODE CONFIGURATION

      Setting              W3                W4                 W5

      Enabled          pins 2 & 3         pins 2 & 3        pins 1 & 2
                         closed            closed             closed

     Disabled          pins 1 & 2         pins 1 & 2           Open
                         closed            closed

