
NOVACOR, INC.

OPTIMUM 386-25/33/40

Processor         80386DX
Processor Speed   25/33/40MHz
Chip Set          OPTI
Max. Onboard DRAM 32MB
Cache             32/64/128/256KB
BIOS              AMI/MR
Dimensions        330mm x 218mm
I/O Options       32-bit external memory card
NPU Options       80387/3167

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  External battery           J10       32-bit external DRAM        S1
                                       slot

  Power LED & keylock        J23       Reset switch                SW1

  Speaker                    J24       Turbo switch                SW2

  Turbo LED                  JP4

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Monitor type select color (AMI           JP1            Closed
      BIOS)

      Monitor type select monochrome           JP1             Open
      (AMI BIOS)

     Password enabled (MR BIOS)               JP1            Closed

      Password disabled (MR BIOS)              JP1             Open

     CMOS memory normal operation             JP2           pins 2 & 3
                                                              closed

      CMOS memory clear                        JP2           pins 1 & 2
                                                              closed

     Bus speed select ATCLK/8                 JP3            Closed

      Bus speed select ATCLK/6                 JP3             Open

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (4) 256K x 9       NONE

      2MB         (4) 256K x 9   (4) 256K x 9

      4MB         (4) 1M x 9         NONE

      5MB         (4) 256K x 9    (4) 1M x 9

      8MB         (4) 1M x 9      (4) 1M x 9

      16MB        (4) 4M x 9         NONE

      20MB        (4) 1M x 9      (4) 4M x 9

      32MB        (4) 4M x 9      (4) 4M x 9

                            CACHE CONFIGURATION

       Size             Bank 0            Bank 1         TAG (U32, U33,
                                                              U42)

       32KB           (4) 8K x 8           NONE            (3) 4K x 4

       64KB           (4) 8K x 8        (4) 8K x 8         (3) 4K x 4

       128KB          (4) 32K x 8          NONE           (3) 16K x 4

       256KB          (4) 32K x 8      (4) 32K x 8        (3) 16K x 4

                     CACHE JUMPER CONFIGURATION

   Size      JP5      JP6       JP7       JP8      JP9       JP10

   32KB     1 & 2    1 & 2     1 & 2     Open     2 & 3     2 & 3

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

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

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

  Note:Pins designated should be in the closed position.

