
CHICONY, INC.

CH-386-33F/40F

Processor         80386DX
Processor Speed   33/40MHz
Chip Set          OPTI
Max. Onboard DRAM 32MB
Cache             32/64/128/256KB
BIOS              AMI
Dimensions        254mm x 218mm
I/O Options       None
NPU Options       80387DX/3167

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  External battery             J1       Reset switch               J18

  Power LED & keylock         J16       Turbo switch               J19

  Speaker                     J17       Turbo LED                  J20

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     CMOS memory normal operation             J2             Closed

      CMOS memory clear                        J2              Open

     Monitor type select monochrome           J4              Open

      Monitor type select color                J4             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

      17MB        (4) 256K x 9    (4) 4M x 9

      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 (U19)      TAG (U20

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

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

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

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

                        CACHE JUMPER CONFIGURATION

  Size       J6      J7    J8     J9     J11       J12      J13      J15

  32KB      Open     1 &   1 &    1 &    Open     Open      Open      4 &
                     2      2     2                                   5

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

  128KB    Closed    1 &   2 &    2 &   Closed    Open     Closed     4 &
                     2      3     3                                   5

  256KB    Closed    2 &   2 &    2 &   Closed    Closed   Closed     5 &
                     3      3     3                                   6

  Note: Pins designated should be in the closed position.

                 CACHE TAG BIT CONFIGURATION

        Size               Bit size               J10

        32KB                  7                   Open

        32KB                  8            pins 1 & 2 closed

        64KB                  7                   Open

        64KB                  8            pins 5 & 6 closed

        128KB                 7                   Open

        128KB                 8            pins 4 & 5 closed

        256KB                 7                   Open

        256KB                 8            pins 2 & 3 closed

                 CACHE TAG BIT CONFIGURATION

        Size                  J3                  J14

        7 bit                Open          pins 1 & 2 closed

        8 bit               Closed         pins 2 & 3 closed

