
DELL COMPUTER CORPORATION

System 200

Processor         80286
Processor Speed   6/8/12MHz
Chip Set          C & T
Max. Onboard DRAM 16MB
Cache             None
BIOS              Phoenix
Dimensions        335mm x 192mm
I/O Options       None
NPU Options       80287

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                Location

  External battery           BAT       Parallel port            LPT

  Serial port 1             COM1       Power LED &              PLK
                                       keylock

  Serial port 2             COM2       Reset switch             RST

  Floppy drive               FDD       Speaker                  SPK
  interface

  Note: On most board revisions, the floppy interface is not functional
  or has been removed.

                        USER CONFIGURABLE SETTINGS

                Function                      Jumper          Position

     Maintenance mode disabled                 J5              Open

      Maintenance mode enabled                  J5             Closed

     NPU installed select 80287 or         J13 & J14        pins 1 & 2
      80C287                                                   closed

      NPU installed select IC-based         J13 & J14        pins 2 & 3
      debugger                                                 closed

     Factory configured - do not alter        J15              Open

     Factory configured - do not alter        J16              Open

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     1MB         (1) 256K x       NONE           NONE           NONE
                    36

     2MB         (1) 256K x    (1) 256K x        NONE           NONE
                    36             36

     3MB         (1) 256K x    (1) 256K x     (1) 256K x        NONE
                    36             36             36

     4MB         (1) 256K x    (1) 256K x     (1) 256K x    (1) 256K x 36
                    36             36             36

     4MB        (1) 1M x 36       NONE           NONE           NONE

     5MB        (1) 1M x 36    (1) 256K x        NONE           NONE
                                   36

     6MB        (1) 1M x 36    (1) 256K x     (1) 256K x        NONE
                                   36             36

     7MB        (1) 1M x 36    (1) 256K x     (1) 256K x    (1) 256K x 36
                                   36             36

     8MB        (1) 1M x 36   (1) 1M x 36        NONE           NONE

     9MB        (1) 1M x 36   (1) 1M x 36     (1) 256K x        NONE
                                                  36

     10MB       (1) 1M x 36   (1) 1M x 36     (1) 256K x    (1) 256K x 36
                                                  36

     12MB       (1) 1M x 36   (1) 1M x 36    (1) 1M x 36        NONE

     13MB       (1) 1M x 36   (1) 1M x 36    (1) 1M x 36    (1) 256K x 36

     16MB       (1) 1M x 36   (1) 1M x 36    (1) 1M x 36     (1) 1M x 36

  Note: Sizes shown here are in addition to 640KB factory configured on
  the main board.

