
INFORMTECH INTERNATIONAL, INC.

BABY 286AIO

Processor               80286
Processor Speed         10/12MHz
Chip Set                Unknown
Max. Onboard DRAM       32MB
Cache                   None
BIOS                    Award
Dimensions              330mm x 218mm
I/O Options             Floppy drive interface, IDE interface, parallel
                        port, serial ports (2)
NPU Options             80287

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Turbo LED                   P1       IDE interface               P7

  Speaker                     P2       Parallel port               P8

  Reset switch                P3       Serial port 1               P9

  IDE interface LED           P4       Serial port 2               P10

  Power LED & keylock         P5       Auxiliary keyboard          P12

  Floppy drive interface      P6       External battery            P13

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch         Position

     Keyboard controller clock               J2             pins 1 & 2
      speed select 6MHz                                        closed

      Keyboard controller clock               J2             pins 2 & 3
      speed select 12MHz                                       closed

     NPU speed select 8MHz                   J3             pins 3 & 4
                                                               closed

      NPU speed select 6MHz                   J3             pins 1 & 2
                                                               closed

      NPU speed select 10MHz                  J3             pins 5 & 6
                                                               closed

      NPU speed select 12MHz                  J3             pins 7 & 8
                                                               closed

     DRAM speed select 100ns                 J4             pins 3 & 4
                                                               closed

      DRAM speed select 80ns                  J4             pins 1 & 2
                                                               closed

      DRAM speed select 120ns                 J4             pins 5 & 6
                                                               closed

     CPU speed select switchable            J10                Open
      from hardware (see below)

      CPU speed select switchable            J10             pins 1 & 2
      from keyboard                                            closed

     Memory size select total               J11                Open
      amount installed

      Memory size select 256KB only          J11               Closed
      (for testing purposes)

     Power good signal detect from          J15             pins 2 & 3
      power supply                                             closed

      Power good signal detect from          J15             pins 1 & 2
      board                                                    closed

     Battery type select Alkaline           J16             pins 1 & 2
      4.5VDC                                                   closed

      Battery type select Lithium            J16                Open
      6VDC

     DRAM wait states select zero          SW1/4                On

      DRAM wait state select one            SW1/4               Off

     Monitor type select color             SW1/5                On

      Monitor type select                   SW1/5               Off
      monochrome

     Serial port 1 at 3F8-3FF              SW2/1                On
      using IRQ4 enabled

      Serial port 1 at 3F8-3FF              SW2/1               Off
      using IRQ4 disabled

     Serial port 2 at 2F8-2FF              SW2/2                On
      using IRQ3 enabled

      Serial port 2 at 2F8-2FF              SW2/2               Off
      using IRQ3 disabled

     Floppy drive interface                SW2/5                On
      enabled

      Floppy drive interface                SW2/5               Off
      disabled

     Early address latch enabled           SW2/7               Off
      (#EALE) signal select enabled

      Address latch enable (#BALE)          SW2/7                On
      signal select enabled

     Factory configured - do not           SW2/8               N/A
      alter

             DRAM CONFIGURATION

     Size          Bank 0        Bank 1

     512KB       (18) 41256       NONE

     640KB       (18) 41256     (18) 4164

      1MB        (18) 41256    (18) 41256

      2MB        (18) 411000      NONE

      4MB        (18) 411000   (18) 411000

      DRAM SWITCH CONFIGURATION

  Size     SW1/1    SW1/2    SW1/3

  512KB     On        On      N/A

  640KB     On       Off       On

   1MB      On       Off      Off

   2MB      Off       On      Off

   4MB      Off      Off      Off

                          CPU SPEED CONFIGURATION

    Speed       J1 pins 1 &    J1 pins 3 &   J1 pins 5 &         J10
                    2              4              6

   OSC Y1/2        Open           Open         Closed           Open

     8MHz         Closed         Closed        Closed         pins 2 & 3
                                                               closed

    10MHz         Closed          Open          Open            Open

    12MHz          Open          Closed         Open            Open

                     I/O BUS WAIT STATE CONFIGURATION

   8-bit slot     16-bit slot      SW1/6         SW1/7          SW1/8

     4 wait       1 wait state      Off            On             On
     states

     6 wait          2 wait         Off            On            Off
     states         states

     8 wait          3 wait         Off           Off             On
     states         states

     10 wait         4 wait         Off           Off            Off
     states         states

     4 wait          1 wait          On         N/A (see       N/A (see
     states         states                       note)          note)

  Note: When SW1/6 is closed, the dynamic wait state mode is enabled
  which automatically sets the wait states to accommodate the slowest
  card on the I/O bus.

                      BIOS CONFIGURATION

        Type                  J7                  J8

        27128          pins 1 & 2 closed   pins 1 & 2 closed

        27256          pins 1 & 2 closed   pins 2 & 3 closed

        27512          pins 2 & 3 closed   pins 2 & 3 closed

    PARALLEL PORT CONFIGURATION

    IRQ        SW2/3      SW2/4

    IRQ7        On         Off

    IRQ5        On          On

  Disabled      Off        Off

                      IDE CONFIGURATION

       Setting               J17                 SW2/6

       Enabled         pins 2 & 3 closed          On

      Disabled         pins 1 & 2 closed          Off

