CHICONY, INC.

CH-386-33/40H(L), CH-486DLC-33/40H(L)

Processor         80386DX/CX486DLC
Processor Speed   33/40MHz
Chip Set          UMC
Max. onboard DRAM 32MB
Cache             32/64/128/256KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       80387DX/CX487DLC/3167

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  External battery            JP1       Reset switch              JP21

  Power LED & keylock         JP19      Turbo switch              JP22

  Turbo LED                   JP20      Speaker                   JP23

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   CMOS memory normal operation            JP3              Open

      CMOS memory clear                       JP3             Closed

  »   Monitor type select color               JP12            Closed

      Monitor type select monochrome          JP12             Open

  »   CPU speed select 33MHz                  JP24            Closed

      CPU speed select 40MHz                  JP24             Open

             CLOCK GENERATOR CONFIGURATION

  Generator       JP25          JP26          JP27

    AV9107        Open          Open          Open

  Oscillator     Closed        Closed        Closed

              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       Max Cachable      Bank 0         Bank 1          TAG

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

      64KB           16MB        (4) 8K x 8     (4) 8K x 8      8K x 8

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

     256KB           32MB        (4) 32K x 8    (4) 32K x 8     32K x 8

                        CACHE JUMPER CONFIGURATION

  Size     JP2      JP4    JP5     JP6     JP7     JP8     JP10     JP11

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

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

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

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

  Note:Pins designated should be in the closed position.

                             NPU CONFIGURATION

       Mode             JP9          JP16          JP17          JP18

    Synchronous        Closed       Closed         Open       pins 1 & 2
                                                                closed

   Asynchronous        Closed       Closed        Closed      pins 2 & 3
                                                                closed

     Disabled           Open         Open          N/A           N/A