INFORMTECH INTERNATIONAL, INC.

BABY 286MB Ver. 1.20

Processor         80286
Processor Speed   5/6/8/10MHz
Chip Set          C & T
Max. Onboard DRAM 1MB
SRAM Cache        None
BIOS              Unidentified
Dimensions        330mm x 218mm
I/O Options       Auxilliary keyboard connector
NPU Options       80287

[Image]

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch         Position

  »   Power good signal detect               J14             pins 2 & 3
      from power supply                                        closed

      Power good signal detect               J14             pins 1 & 2
      from board                                               closed

      BIOS type select 27256                 J15             pins 1 & 2
                                                               closed

      BIOS type select 27128                 J15             pins 2 & 3
                                                               closed

  »   Factory configured - do not       SW1/Switch 5           closed
      alter

  »   Monitor type select               SW1/Switch 6            open
      monochrome

      Monitor type select color         SW1/Switch 6           closed

                                CONNECTIONS

  Purpose                 Location    Purpose                    Location

  Speaker                    P1       Power LED & keylock          P4

  Turbo LED                  P2       Auxilliary keyboard          P6

  Reset switch               P3       External battery             P8

                            DRAM CONFIGURATION

      Size          Bank 0      Bank 1     SW1/Switch 3     SW2/Switch 4

        256KB      (18) 4164   (18) 4164      closed            open

        512KB        (18)        NONE          open             open
                    41256

  »     640KB        (18)      (18) 4164      closed           closed
                    41256

       1024KB        (18)        (18)          open            closed
                    41256       41256

                         NPU SPEED CONFIGUARATION

     NPU Speed          Clock Rate            J7                J8

     80287-12            8/12MHz             open           pins 1 & 2
                                                              closed

     80287-12           6.7/10MHz            open           pins 1 & 2
                                                              closed

     80287-10           6.7/10MHz            open           pins 1 & 2
                                                              closed

     80287-10            5.3/8MHz           closed          pins 2 & 3
                                                              closed

      80287-8            5.3/8MHz           closed          pins 2 & 3
                                                              closed

      80287-8            4.4/6MHz           closed          pins 2 & 3
                                                              closed

      80287-6            4.4/6MHz           closed          pins 2 & 3
                                                              closed

      80287-6            2.6/4MHz           closed          pins 1 & 2
                                                              closed

                        BATTERY TYPE CONFIGUARATION

           Battery                     J12                    J13

  »    Internal lithium (2 x    pins 1 & 2 closed           closed
              3VDC)

         External lithium              open                 closed
              (6VDC)

         External alkaline             open                  open
              (6VDC)

                   SYSTEM CLOCK WAIT STATE CONFIGURATION

   Speed      Wait State       J2          J5          J8          J11

   10MHz          0          closed     pins 1 &     closed      pins 1 &
                                           2                        2

   10MHz          1           open      pins 1 &      open       pins 1 &
                                           2                        2

   12MHz          0          closed     pins 2 &     closed      pins 2 &
                                           3                        3

   12MHz          1           open      pins 2 &      open       pins 2 &
                                           3                        3

  Note:Pins designated should be in the closed position.

                     I/O MODE WAIT STATE CONFIGURATION

    Wait      8-BIT     8-BIT     16-BIT    16-BIT      SW1/       SW1/
   States
               I/O     Memory      I/O      Memory     Switch    Switch 2
                                                         1

     0        0 (6)     0 (6)     0 (3)      0 (3)     closed     closed

     1        0 (6)     0 (6)     0 (3)      1 (4)     closed      open

     2        1 (7)     1 (7)     1 (4)      1 (4)      open      closed

     3        2 (8)     2 (8)     1 (4)      2 (5)      open       open