
MAGITRONICS

A-B307

Processor         80386SX
Processor Speed   25MHz
Chip Set          VLSI SCAMP
Max. Onboard DRAM 16MB
SRAM Cache        None
BIOS              AMI/Quadtel
Dimensions        218mm x 218mm
I/O Options       None
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  Speaker                      J5       Reset switch               J15

  External battery             J8       Turbo switch               J16

  Power LED & keylock         J10       Turbo LED                  J17

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Pipeline mode enabled                    JP1            closed

      Pipeline mode disabled                   JP1             open

     CMOS memory normal operation             JP6           pins 1 & 2
                                                              closed

      CMOS memory clear                        JP6           pins 3 & 4
                                                              closed

     Battery select internal                  JP7            closed

      Battery select external                  JP7             open

     Monitor type select monochrome          JP11             open

      Monitor type select color               JP11            closed

     Parity checking enabled                 JP90            closed

      Parity checking disabled                JP90             open

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

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

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

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

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

     12MB        (2) 1M x 9     (2) 1M x 9    (2) 4M x 9        NONE

     16MB        (2) 4M x 9     (2) 4M x 9    (2) 4M x 9     (2) 4M x 9

