
DELL COMPUTER CORPORATION

SYSTEM V386SX/XX REV. 2

Processor             80386SX
Processor Speed       16/25MHz
Chip Set              VLSI
Max. Onboard DRAM     16MB
Cache                 None
BIOS                  AMI
Dimensions            330mm x 218mm
I/O Options           Floppy drive interface, IDE interface,video
                      interface, parallel port, PS/2 mouse port, serial
                      ports (2), Video interface
NPU Options           80387SX

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  IDE interface LED           J1       Parallel port               CN3

  Reset switch                J2       Floppy drive interface      CN4

  Speaker                     J3       IDE interface               CN5

  Power LED & keylock         J4       Video interface             CN6

  Serial port 1               CN1      Mouse interface             CN7

  Serial port 2               CN2

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch        Position

     VGA IRQ generation disabled            JP1             pins 1 & 2
                                                              closed

      VGA IRQ generation enabled             JP1             pins 2 & 3
                                                              closed

     On board VGA enabled                   JP2             pins 2 & 3
                                                              closed

      On board VGA disabled                  JP2             pins 1 & 2
                                                              closed

     Single IDE drive enabled               JP3             pins 1 & 2
                                                              closed

      Dual IDE drive enabled                 JP3             pins 2 & 3
                                                              closed

     Pipeline mode enabled                  JP4             pins 2 & 3
                                                              closed

      Pipeline mode disabled                 JP4             pins 1 & 2
                                                              closed

     Monitor type select color              JP6             pins 1 & 2
                                                              closed

      Monitor type select                    JP6             pins 2 & 3
      monochrome                                              closed

      CMOS memory normal operation           JP7             pins 2 & 3
                                                              closed

     CMOS memory clear                      JP7             pins 1 & 2
                                                              closed

      Old style Multisync monitor           SW1/1               On
      enabled

      All other monitors enabled            SW1/1               Off

      PS/2 style VGA installed              SW1/2               On

      AT style VGA installed                SW1/2               Off

      1024 x 768 interlaced                 SW1/5               On
      enabled

      1024 x 768 non interlaced             SW1/5               Off
      enabled

                DRAM CONFIGURATION

      Size            Bank 0           Bank 1

       1MB        (1) 256K x 36         NONE

       2MB        (1) 256K x 36    (1) 256K x 36

       4MB         (1) 1M x 36          NONE

       5MB         (1) 1M x 36     (1) 256K x 36

       8MB         (1) 1M x 36      (1) 1M x 36

      16MB         (1) 4M x 36          NONE

                      VRAM CONFIGURATION

        Size               Bank 0               Bank 1

       256KB            (2) 256K x 4             NONE

       512KB            (2) 256K x 4         (2) 256K x 4

  Note:Bank 0 is factory installed and is not configurable.

                VIDEO REFRESH RATES (800 X 600)

  Refresh rate      Colors           SW1/3          SW1/4

      56Hz            16              On              On

      56Hz            256             On             Off

      56Hz            256             On              On

      60Hz            16              Off             On

      60Hz            256             Off             On

      60Hz            256             Off            Off

      72Hz            16              Off            Off

      72Hz            16              On             Off

