DELL COMPUTER CORPORATION
=========================

   System 320SX

   Processor        80386SX                                       
   Processor Speed  20MHz                                         
   Chip Set         VLSI                                          
   Max. Onboard     8MB                                           
   DRAM             
   Cache            None (32KB on optional cache card)            
   BIOS             AMI                                           
   Dimensions       342mm x 185mm                                 
   I/O Options      Bus mouse, cache card/shunt card slot, floppy 
                    interface, IDE interface, parallel port,      
                    riser card slot, serial ports (2), VGA port   
   NPU Options      80387SX                                       

<gopher://bitreich.org/I/th99/m/C-D/30925-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose            | Location | Purpose        | Location  |
   |--------------------+----------+----------------+-----------|
   | 16-bit riser card  |   EXP1   | Floppy drive   |   JFLOP   |
   |                    |          | interface      |           |
   |--------------------+----------+----------------+-----------|
   | IDE interface LED  |    HD    | IDE interface  |   JIDE    |
   |--------------------+----------+----------------+-----------|
   | External battery   |   JBAT   | Parallel port  |   JLPT1   |
   |--------------------+----------+----------------+-----------|
   | Proprietary cache  |  JCACHE  | Bus mouse port |  JMOUSE   |
   | card/shunt card    |          |                |           |
   |--------------------+----------+----------------+-----------|
   | Serial port 1      |  JCOM1   | Front panel    |   JVIEW   |
   |                    |          | status LCD     |           |
   |--------------------+----------+----------------+-----------|
   | Serial port 2      |  JCOM2   | VGA port       |   JVGA    |
   |--------------------+----------+----------------+-----------|
   | VGA pass-through   |  JFEAT   | Reset switch   | JP1/pins  |
   |                    |          |                |  25 & 26  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              |    JP1     | Position |
   |------------------------------------+------------+----------|
   |>> | Factory test disabled          | pins 1 & 2 |   Open   |
   |---+--------------------------------+------------+----------|
   |   | Factory test enabled           | pins 1 & 2 |  Closed  |
   |---+--------------------------------+------------+----------|
   |>> | Factory configured - do not    | pins 3 & 4 |  Closed  |
   |   | alter                          |            |          |
   |---+--------------------------------+------------+----------|
   |>> | Monitor type select color      | pins 5 & 6 |  Closed  |
   |---+--------------------------------+------------+----------|
   |   | Monitor type select monochrome | pins 5 & 6 |   Open   |
   |---+--------------------------------+------------+----------|
   |>> | Password check enabled         | pins 7 & 8 |  Closed  |
   |---+--------------------------------+------------+----------|
   |   | Password check disabled        | pins 7 & 8 |   Open   |
   |---+--------------------------------+------------+----------|
   |>> | Late revision of IBM 5250 type |  pins 9 &  |   Open   |
   |   | network card installed         |     10     |          |
   |---+--------------------------------+------------+----------|
   |   | Early revision of IBM 5250     |  pins 9 &  |  Closed  |
   |   | type network card installed    |     10     |          |
   |---+--------------------------------+------------+----------|
   |>> | Factory configured - do not    | pins 11 &  |   Open   |
   |   | alter                          |     12     |          |
   |---+--------------------------------+------------+----------|
   |>> | Factory configured - do not    | pins 13 &  |  Closed  |
   |   | alter                          |     14     |          |
   |---+--------------------------------+------------+----------|
   |>> | Monitor type select standard   | pins 15 &  |   Open   |
   |   | VGA                            |     16     |          |
   |---+--------------------------------+------------+----------|
   |   | Monitor type select            | pins 15 &  |  Closed  |
   |   | multi-frequency VGA            |     16     |          |
   |---+--------------------------------+------------+----------|
   |>> | Factory configured - do not    | pins 17 &  |   Open   |
   |   | alter                          |     18     |          |
   |---+--------------------------------+------------+----------|
   |>> | IOCHRDY signal disabled to IDE | pins 19 &  |  Closed  |
   |   | drive(s)                       |     20     |          |
   |   |                                |            |   Open   |
   |   |                                | pins 21 &  |          |
   |   |                                |     22     |          |
   |---+--------------------------------+------------+----------|
   |   | IOCHRDY signal enabled to IDE  | pins 19 &  |   Open   |
   |   | drive(s)                       |     20     |          |
   |   |                                |            |  Closed  |
   |   |                                | pins 21 &  |          |
   |   |                                |     22     |          |
   |---+--------------------------------+------------+----------|
   |>> | VGA interface enabled          | pins 23 &  |  Closed  |
   |   |                                |     24     |          |
   |---+--------------------------------+------------+----------|
   |   | VGA interface disabled         | pins 23 &  |   Open   |
   |   |                                |     24     |          |
   |---+--------------------------------+------------+----------|
   |>> | Factory configured - do not    | pins 25 &  |   Open   |
   |   | alter                          |     26     |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     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     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     VRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |            Size            |            Bank 0             |
   |----------------------------+-------------------------------|
   |           256KB            |             NONE              |
   |----------------------------+-------------------------------|
   |           512KB            |           (2) 44256           |
   +------------------------------------------------------------+