
DELL COMPUTER CORPORATION

WORKSTATION 400

Processor                  Pentium II
Processor Speed            266/300MHz
Chip Set                   Intel
Video Chip Set             None
Maximum Onboard Memory     512MB (EDO supported)
Maximum Video Memory       None
Cache                      512KB (located on Pentium II CPU)
BIOS                       Unidentified
Dimensions                 305mm x 244mm
I/O Options                Ethernet connector, floppy drive interface, IDE
                           interfaces (2), parallel port, PS/2 mouse port,
                           serial ports (2), riser slot, USB connectors
                           (2), line in, line out, microphone in, ATX
                           power connector, audio in  CD-ROM
NPU Options                None

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  ATX power connector         ATX      USB connector 2             CN6

  Front panel connector       C1       Serial port 2               CN7

  Audio in  CD-ROM           C2       PS/2 mouse port             CN8

  Chassis fan power           C3       Parallel port               CN9

  Line in                     CN1      Serial port 1              CN10

  Line out                    CN2      Floppy drive interface     CN11

  Microphone in               CN3      IDE interface 2            CN12

  Ethernet connector          CN4      IDE interface 1            CN13

  USB connector 1             CN5      Riser slot                  SL1

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

      Case type select mini tower              J1             Closed

      Case type select midsize                 J1              Open

     Factory configured - do not alter        J2              Open

     Factory configured - do not alter        J3              Open

     Factory configured - do not alter        J4              Open

     Factory configured - do not alter        J7              Open

     Factory configured - do not alter        J8              Open

     Password enabled                         J9             Closed

      Password disabled                        J9              Open

                            DIMM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2         Bank 3

      8MB       (1) 1M x 64        None          None           None

     16MB       (1) 2M x 64        None          None           None

     16MB       (1) 1M x 64    (1) 1M x 64       None           None

     24MB       (1) 2M x 64    (1) 1M x 64       None           None

     24MB       (1) 1M x 64    (1) 1M x 64    (1) 1M x 64       None

     32MB       (1) 4M x 64        None          None           None

     32MB       (1) 2M x 64    (1) 2M x 64       None           None

     32MB       (1) 1M x 64    (1) 1M x 64    (1) 1M x 64    (1) 1M x 64

     40MB       (1) 4M x 64    (1) 1M x 64       None           None

     48MB       (1) 4M x 64    (1) 2M x 64       None           None

     48MB       (1) 2M x 64    (1) 2M x 64    (1) 2M x 64       None

     64MB       (1) 8M x 64        None          None           None

     64MB       (1) 4M x 64    (1) 4M x 64       None           None

     64MB       (1) 2M x 64    (1) 2M x 64    (1) 2M x 64    (1) 2M x 64

     72MB       (1) 8M x 64    (1) 1M x 64       None           None

     80MB       (1) 8M x 64    (1) 2M x 64       None           None

     96MB       (1) 8M x 64    (1) 4M x 64       None           None

     96MB       (1) 4M x 64    (1) 4M x 64    (1) 4M x 64       None

                        DIMM CONFIGURATION (CONT)

      Size          Bank 0        Bank 1         Bank 2         Bank 3

     128MB         (1) 16M x       None           None           None
                      64

     128MB        (1) 8M x 64   (1) 8M x 64       None           None

     128MB        (1) 4M x 64   (1) 4M x 64    (1) 4M x 64   (1) 4M x 64

     136MB         (1) 16M x    (1) 1M x 64       None           None
                      64

     144MB         (1) 16M x    (1) 2M x 64       None           None
                      64

     160MB         (1) 16M x    (1) 4M x 64       None           None
                      64

     192MB         (1) 16M x    (1) 8M x 64       None           None
                      64

     192MB        (1) 8M x 64   (1) 8M x 64    (1) 8M x 64       None

     256MB        (1) 8M x 64   (1) 8M x 64    (1) 8M x 64   (1) 8M x 64

     256MB         (1) 16M x     (1) 16M x        None           None
                      64            64

     384MB         (1) 16M x     (1) 16M x      (1) 16M x        None
                      64            64             64

     512MB         (1) 16M x     (1) 16M x      (1) 16M x    (1) 16M x 64
                      64            64             64

            Note: Board accepts EDO memory.

                     CACHE CONFIGURATION

  Note: 256KB/512KB cache is located on the Pentium II CPU.

                           CPU SPEED SELECTION

   CPU speed    Clock speed     Multiplier        J5             J6

    266MHz         66MHz            4x           Open          Closed

    300MHz         66MHz           4.5x         Closed          Open

