
CHICONY, INC.

CH-386S-16C/D

Processor         80386SX
Processor Speed   16MHz
Chip Set          C & T
Max. onboard DRAM 8MB
Cache             None
BIOS              AMI/Phoenix
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  External battery            JP5       Reset switch              JP13

  Power LED & keylock         JP9       Turbo switch              JP14

  Speaker                     JP10      Turbo LED                 JP15

                        USER CONFIGURABLE SETTINGS

             Function                  Jumper/Switch          Position

     Battery select onboard                JP4                Closed

      Battery select external               JP4                 Open

     CPU speed select iOSC/2               JP16             pins 2 & 3
                                                               closed

      CPU speed select iOSC/1               JP16             pins 1 & 2
                                                               closed

     Monitor type select color         SW1/switch 1             On

      Monitor type select               SW1/switch 1            Off
      monochrome

     DRAM memory operation           SW1/switch 2 & 3           On
      select 100ms

      DRAM memory operation           SW1/switch 2 & 3          Off
      select 120ms

                            DRAM CONFIGURATION

   Size       Bank 0        Bank 1      Bank 2     Bank 3    JP21 - JP26

   512KB     (18) 41256      NONE        NONE       NONE      pins 2 & 3
                                                                closed

    1MB      (18) 41256   (18) 41256     NONE       NONE      pins 2 & 3
                                                                closed

   1.5MB     (18) 41256   (18) 41256   (2) 256K     NONE      pins 1 & 2
                                         x 9                    closed

    2MB      (18) 41256   (18) 41256   (2) 256K   (2) 256K    pins 1 & 2
                                         x 9        x 9         closed

    2MB         (18)         NONE        NONE       NONE      pins 2 & 3
              411000                                            closed

   2.5MB     (18) 41256   (18) 41256   (2) 256K     NONE      pins 1 & 2
                                         x 9                    closed

    3MB      (18) 41256   (18) 41256   (2) 256K   (2) 256K    pins 1 & 2
                                         x 9        x 9         closed

    4MB         (18)         (18)        NONE       NONE      pins 2 & 3
              411000        411000                              closed

    5MB         (18)         (18)      (2) 256K     NONE      pins 1 & 2
              411000        411000       x 9                    closed

    6MB         (18)         (18)      (2) 256K   (2) 256K    pins 1 & 2
              411000        411000       x 9        x 9         closed

    6MB         (18)         (18)      (2) 1M x     NONE      pins 1 & 2
              411000        411000        9                     closed

    8MB         (18)         (18)      (2) 1M x   (2) 1M x    pins 1 & 2
              411000        411000        9          9          closed

                            TURBO CONFIGURATION

          Mode               JP1          JP2          JP3        JP12

   Phoenix & AMI BIOS       Open        Closed        Open         N/A
   8742 turbo pin 32

   Phoenix & AMI BIOS      Closed        Open         Open         N/A
   8742 turbo pin 27

   Phoenix & AMI BIOS      Closed       Closed       Closed        N/A
   8742 turbo pin 23

   Active high for AMI     Closed       Closed        Open       pins 1 &
          BIOS                                                      2

     Active low for        Closed       Closed        Open       pins 2 &
      Phoenix BIOS                                                  3

