UNIDENTIFIED

80386-33/40CWB

Processor         80386DX
Processor Speed   33/40MHz
Chip Set          Opti/Mugen
Max. Onboard DRAM 32MB
Cache             32/64/128/256KB
BIOS              AMI
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             S1
                                       memory card

  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                JP1             Open

      Monitor type select monochrome           JP1            Closed

  »   CMOS memory normal operation             JP2           pins 2 & 3
                                                              closed

      CMOS memory clear                        JP2           pins 1 & 2
                                                              closed

  »   Bus speed select iOSC/8                  JP3            Closed

      Bus speed select iOSC/6                  JP3             Open

                            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

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

     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) 1M x 9     (4) 4M 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

  Note:Banks 2 & 3 are used when a 32-bit external memory card is
  installed at S1.

                            CACHE CONFIGURATION

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

     32KB       (4) 8K x 8       NONE        (2) 4K x 4      (1) 16K x 1

     64KB       (4) 8K x 8    (4) 8K x 8     (2) 4K x 4      (1) 16K x 1

     128KB      (4) 32K x 8      NONE       (2) 16K x 4      (1) 16K x 1

     256KB      (4) 32K x 8   (4) 32K x 8    (2) 4K x 4      (1) 16K x 1

                     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.