ACER, INC.
==========

   1120SX

   Processor    80386SX                                           
   Processor    20MHz                                             
   Speed        
   Chip Set     Unidentified                                      
   Max. Onboard 8MB                                               
   DRAM         
   Cache        None                                              
   BIOS         AMI                                               
   Dimensions   330mm x 218mm                                     
   I/O Options  Parallel port, serial ports (2), PS/2 mouse       
                interface, VGA port, riser slot                   
   NPU Options  80387SX                                           

<gopher://bitreich.org/I/th99/m/A-B/32773-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose          | Location | Purpose           | Location |
   |------------------+----------+-------------------+----------|
   | Serial port 1    |   CN1    | Keyboard          |    J2    |
   |                  |          | interface         |          |
   |------------------+----------+-------------------+----------|
   | Serial port 2    |   CN2    | PS/2 mouse        |    J3    |
   |                  |          | interface         |          |
   |------------------+----------+-------------------+----------|
   | Parallel port    |   CN3    | Turbo LED         |    J4    |
   |------------------+----------+-------------------+----------|
   | Video board port |   CN4    | Riser slot        |   SL1    |
   |------------------+----------+-------------------+----------|
   | Reset switch     |    J5    |                   |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |          Function           |  Jumper  |     Position      |
   |-----------------------------+----------+-------------------|
   |>> | Key lock enabled        |    J1    |       Open        |
   |---+-------------------------+----------+-------------------|
   |   | Key lock disabled       |    J1    |      Closed       |
   |---+-------------------------+----------+-------------------|
   |>> | On board VGA enabled    |    J5    |      Closed       |
   |---+-------------------------+----------+-------------------|
   |   | On board VGA disabled   |    J5    |       Open        |
   |---+-------------------------+----------+-------------------|
   |>> | Password enabled        |    J6    | pins 1 & 2 closed |
   |---+-------------------------+----------+-------------------|
   |   | Password disabled       |    J6    | pins 2 & 3 closed |
   |---+-------------------------+----------+-------------------|
   |>> | All disabled            |    J7    |       Open        |
   |---+-------------------------+----------+-------------------|
   |   | 0 wait state enabled    |    J7    | pins 1 & 2 closed |
   |---+-------------------------+----------+-------------------|
   |   | IRQ9 enabled            |    J7    | pins 2 & 3 closed |
   |---+-------------------------+----------+-------------------|
   |>> | All disabled            |    J8    |       Open        |
   |---+-------------------------+----------+-------------------|
   |   | IOCS16 enabled          |    J8    | pins 1 & 2 closed |
   |---+-------------------------+----------+-------------------|
   |   | Refresh enabled         |    J8    | pins 2 & 3 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |  Size  | Bank 0  |   Bank 1    |   Bank 2    |   Bank 3    |
   |--------+---------+-------------+-------------+-------------|
   |  2MB   |   2MB   |    NONE     |    NONE     |    NONE     |
   |--------+---------+-------------+-------------+-------------|
   |  4MB   |   2MB   | (2) 1M x 9  |    NONE     |    NONE     |
   |--------+---------+-------------+-------------+-------------|
   |  8MB   |   2MB   | (2) 1M x 9  | (2) 1M x 9  | (2) 1M x 9  |
   |------------------------------------------------------------|
   | Note: Bank 0 is factory installed and is not configurable. |
   +------------------------------------------------------------+