
UNIDENTIFIED

RST 386 CACHE SERIES

Processor         80386DX
Processor Speed   33MHz
Chip Set          Unknown
Max. Onboard DRAM 8MB
Cache             32/64/128KB
BIOS              AMI
Dimensions        330.2mm x 218.4mm
I/O Options       32-bit external memory card slot
NPU Options       80387

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  External battery           JP1       Speaker                    JP20

  Turbo LED                 JP14       32-bit external             S1
                                       memory card

  Turbo switch              JP15       Reset switch               SW1

  Power LED & keylock       JP19

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not alter        JP4              n/a

     Factory configured - do not alter        JP6              n/a

     Monitor type select color               JP13            Closed

      Monitor type select monochrome          JP13             Open

     Factory configured - do not alter       JP16              n/a

     Factory configured - do not alter       JP17              n/a

                            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

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

                            CACHE CONFIGURATION

     Size         Bank 0        Bank 1        TAG (U30,       TAG (U43)
                                                U31)

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

     64KB       (4) 8K x 8    (4) 8K x 8    (2) 16K x 4         NONE

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

                        CACHE JUMPER CONFIGURATION

        Size          JP8      JP9     JP10      JP11     JP12     JP18

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

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

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

  128KB (internal)    1 & 2   1 & 2    1 & 2    1 & 2     Open     Open

  Note:Pins designated should be in the closed position.

