
CACHING TECH CORPORATION

ISA 3486

Processor       80386DX/CX486DLC/80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor Speed 20/25/33/40/50(internal)/50/66(internal)MHz
Chip Set        EFAR
Max. Onboard    32MB
DRAM
SRAM Cache      64/128/256KB
BIOS            AMI
Dimensions      220mm x 218mm
I/O Options     External keyboard
NPU Options     80387DX/CX87DLC

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                   Location

  External battery          BATT2      Turbo switch                CN4

  Power LED & keylock        CN1       Turbo LED                   CN5

  Speaker                    CN2       External keyboard           KB2

  Reset switch               CN3

                        USER CONFIGURABLE SETTINGS

                Function                    Jumper           Position

     CMOS memory normal operation           BATT2          pins 2 & 3
      (Internal Battery)                                      closed

      CMOS memory normal operation           BATT2          Ext. batt.
      (External Battery)                                    connected

      CMOS memory clear                      BATT2          pins 3 & 4
                                                              closed

     Monitor type select color               C/M             Closed

      Monitor type select monochrome          C/M              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

                            SRAM CONFIGURATION

     Size       Max Cachable       Cache         Location         TAG

     64KB           16MB        (8) 8K x 8     Banks 0 & 1    (1) 8K x 8

     128KB          32MB        (4) 32K x 8       Bank 0      (1) 8K x 8

     256KB          64MB        (8) 32K x 8    Banks 0 & 1    (1) 32K x 8

                         SRAM JUMPER CONFIGURATION

    Size          JS1          JS2          JS3        JS4         JS5

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

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

    256KB       Closed        Closed      pins 1 &   pins 1 &    pins 1 &
                                             2          2           2

                          CPU TYPE CONFIGURATION

  Jumper    PQFP      PGA     CX486DLC   80486SX   80487SX   80486DX/DX2
           80386    80386

   JC1     pins 1   pins 1    pins 1 &   pins 2     pins 2    pins 2 & 3
            & 2      & 2         2        & 3        & 3

   JC3     pins 1   pins 1    pins 1 &   pins 2     pins 2    pins 2 & 3
            & 2      & 2         2        & 3        & 3

   JC4     pins 1   pins 1    pins 1 &   pins 2     pins 2    pins 2 & 3
            & 2      & 2         2        & 3        & 3

   JC5      N/A      N/A        N/A      pins 2     1 & 2,   1 & 2, 3 & 4
                                          & 3       3 & 4

   JC6      N/A      N/A        N/A       Open      pins 2    pins 1 & 2
                                                     & 3

   JC7     pins 1   pins 1    pins 2 &   pins 1     pins 1    pins 1 & 2
            & 2      & 2         3        & 2        & 2

   JC8      Open     Open      Open      Closed    Closed       Closed

   JC9      Open     Open      Open      Closed    Closed       Closed

  JC10     pins 2   pins 1    pins 1 &    N/A        N/A         N/A
            & 3      & 2         2

  JC11     pins 2   pins 1    pins 1 &    N/A        N/A         N/A
            & 3      & 2         2

  JC13     pins 1   pins 1    pins 2 &   pins 2     pins 2    pins 2 & 3
            & 2      & 2         3        & 3        & 3

  JC14      Open     Open      Open      Closed    Closed       Closed

  Note:Pins designated should be in the closed postion.

                          CPU TYPE CONFIGURATION

       CPU           Speed       JF1        JF2         JF3        JF4

  80386/CX486DLC     33MHz       Open      Closed     Closed      Closed

  80386/CX486DLC     40MHz      Closed      Open      Closed      Closed

      80486          25/50i     Closed     Closed      Open        Open
                      MHz

      80486          33/66i      Open      Closed      Open       Closed
                      MHz

      80486          50MHz       Open       Open       Open        Open

                           NPU/CPU CONFIGURATION

        NPU            CPU Speed             J6                JC12

     Disabled             N/A               Open               Open

  80387DX/CX87DLC        33 MHz           Closed              Open

  80387DX/CX87DLC       > 33MHz            Closed             Closed

