
DELL COMPUTER CORPORATION

SYSTEM V386SX/XX REVISION 1

Processor              80386SX
Processor Speed        16/25MHz
Chip Set               VLSI
Max. Onboard DRAM      8MB
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

     Diskette drive generation of           JP5             pins 1 & 2
      disk change disabled                                    closed

      Diskette drive generation of           JP5             pins 2 & 3
      disk change enabled                                     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

     2MB        (2) 1M x 9      NONE

     4MB        (2) 1M x 9   (2) 1M x 9

     8MB        (2) 4M x 9      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

