
DIAMOND FLOWER, INC.

386SX-25/33DNB/DCB AIO

Processor              80386SX
Processor Speed        25/33MHz
Chip Set               Diamond Flower/Acer
Max. Onboard DRAM      16MB
SRAM Cache             None
BIOS                   AMI
Dimensions             330mm x 218mm
I/O Options            Floppy drive interface, IDE interface, parallel
                       port, PS/2 mouse port,

                       riser card slot, serial ports (2) VGA feature
                       connector, VGA port
NPU Options            80387SX

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                 Location

  IDE interface             CN1        Keyboard connector        JP3

  Floppy drive              CN2        Turbo LED                 JP4
  interface

  VGA Feature               CN3        Turbo switch              JP5
  connector

  Serial port (COM2)        CN7        Reset switch              JP6

  VGA port                  CN8        IDE interface LED         JP7

  Parallel port             CN9        Power LED & keylock       JP8

  PS/2 mouse port          CN10        External battery          JP17

  Serial port (COM1)       CN11        Riser Card                 S1

  Speaker                   JP2

  Note: JP5 is located on the 386SX-25DNB/DCB AIO system board only. JP38
  is located on the 386SX-33DNB/DCB AIO system board only.

                        USER CONFIGURABLE SETTINGS

                Function                      Jumper         Position

     Speaker select internal                  JP1           pins 1 & 2
                                                              closed

      Speaker select external                  JP1           pins 2 & 3
                                                              closed

     Monitor type select color                JP13           closed

      Monitor type select monochrome           JP13            open

     Factory configured - do not alter        JP14          pins 1 & 2
                                                              closed

     Factory configured - do not alter        JP15          pins 2 & 3
                                                              closed

     Battery select external                  JP16          pins 2 & 3
                                                              closed

      Battery select internal                  JP16          pins 1 & 2
                                                              closed

     Parallel port select IRQ7                JP24          pins 1 & 2
                                                              closed

      Parallel port select IRQ5                JP24          pins 2 & 3
                                                              closed

     Factory configured - do not alter        JP30          pins 1 & 2
                                                              closed

     Floppy disk drive enabled                JP31           closed

      Floppy disk drive disabled               JP31            open

     IDE interface enabled                    JP32          pins 1 & 2
                                                              closed

      IDE interface disabled                   JP32          pins 2 & 3
                                                              closed

     Factory configured - do not alter        JP37            Open

     Factory configured - do not alter        JP38             N/A

                            DRAM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2         Bank 3

     512KB       (2) 256K x        NONE          NONE           NONE
                     9

      1MB        (2) 256K x     (2) 256K x       NONE           NONE
                     9              9

     1.5MB       (2) 256K x     (2) 256K x     (2) 256K x       NONE
                     9              9              9

      2MB        (2) 1M x 9        NONE          NONE           NONE

      2MB        (2) 256K x     (2) 256K x     (2) 256K x   (2) 256K x 9
                     9              9              9

     2.5MB       (2) 1M x 9     (2) 256K x       NONE           NONE
                                    9

      3MB        (2) 1M x 9     (2) 256K x     (2) 256K x       NONE
                                    9              9

      4MB        (2) 1M x 9     (2) 1M x 9       NONE           NONE

     4.5MB       (2) 1M x 9     (2) 1M x 9     (2) 256K x       NONE
                                                   9

      5MB        (2) 1M x 9     (2) 1M x 9     (2) 256K x   (2) 256K x 9
                                                   9

      6MB        (2) 1M x 9     (2) 1M x 9    (2) 1M x 9        NONE

      8MB        (2) 1M x 9     (2) 1M x 9    (2) 1M x 9     (2) 1M x 9

      8MB        (2) 4M x 9        NONE          NONE           NONE

     10MB        (2) 4M x 9     (2) 1M x 9       NONE           NONE

     16MB        (2) 4M x 9     (2) 4M x 9       NONE           NONE

                         SERIAL PORT CONFIGURATION

    COM1 (CN11)      COM2 (CN7)       JP27          JP28         JP29

        COM1           COM2        Pins 1 & 2   Pins 1 & 2    Pins 1 & 2
                                     closed        closed       closed

         COM1         Disabled      Pins 1 & 2   Pins 2 & 3    Pins 1 & 2
                                     closed        closed       closed

         COM2           COM1        Pins 2 & 3   Pins 1 & 2    Pins 1 & 2
                                     closed        closed       closed

         COM2         Disabled      Pins 1 & 2   Pins 2 & 3    Pins 2 & 3
                                     closed        closed       closed

       Disabled         COM1        Pins 2 & 3   Pins 1 & 2    Pins 2 & 3
                                     closed        closed       closed

       Disabled         COM2        Pins 1 & 2   Pins 1 & 2    Pins 2 & 3
                                     closed        closed       closed

       Disabled       Disabled        Open       Pins 2 & 3    Pins 2 & 3
                                                   closed       closed

               SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION

         COM1               JP33              JP34              JP35

         Normal          Pins 1 & 2       Pins 1 & 2        Pins 1 & 2
                           closed            closed            closed

       Forced True        Pins 2 & 3       Pins 2 & 3        Pins 2 & 3
                           closed            closed            closed

               SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION

         COM2               JP21              JP22              JP23

         Normal          Pins 1 & 2       Pins 1 & 2        Pins 1 & 2
                           closed            closed            closed

       Forced True        Pins 2 & 3       Pins 2 & 3        Pins 2 & 3
                           closed            closed            closed

           SERIAL PORT'S DTE/DCE CONFIGURATION

   Primary serial port CN5    Secondary serial port CN4

           [Image]                      [Image]

                        PARALLEL PORT CONFIGURATION

             LPT                      JP25                   JP26

               1               Pins 2 & 3 closed      Pins 1 & 2 closed

                2               Pins 1 & 2 closed      Pins 1 & 2 closed

                3               Pins 1 & 2 closed      Pins 2 & 3 closed

             Disabled           Pins 2 & 3 closed      Pins 2 & 3 closed

                        LOCAL BUS VGA CONFIGURATION

       Mode             JP18          JP19         JP20          JP36

       Enabled      Pins 2 & 3    Pins 2 & 3    Pins 2 & 3    Pins 1 & 2
                       closed        closed       closed        closed

        Disabled     Pins 1 & 2    Pins 1 & 2    Pins 1 & 2    Pins 2 & 3
                       closed        closed       closed        closed

