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       # IBM CORPORATION
       
          PS/2 MODEL 33
       
          Processor    80386SX                                           
          Processor    33MHz                                             
          Speed        
          Chip Set     Intel                                             
          Max. Onboard 16MB                                              
          DRAM         
          Cache        None                                              
          BIOS         IBM                                               
          Dimensions   330mm x 218mm                                     
          I/O Options  Floppy drive interface, hard drive connector,     
                       memory module cards (2),                          
                                                                         
                       parallel port, PS/2 mouse port, riser card,       
                       serial port, video port                           
          NPU Options  80387SX                                           
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose          | Location | Purpose           | Location |
          |------------------+----------+-------------------+----------|
          | Video port       |   CN1    | Hard drive        |   CN7    |
          |                  |          | connector         |          |
          |------------------+----------+-------------------+----------|
          | PS/2 mouse port  |   CN2    | Riser card slot   |   CN8    |
          |------------------+----------+-------------------+----------|
          | Parallel port    |   CN3    | Circular battery  |   CN9    |
          |                  |          | pack              |          |
          |------------------+----------+-------------------+----------|
          | Serial port      |   CN4    | Memory module     |   CN10   |
          |                  |          | card slot         |          |
          |------------------+----------+-------------------+----------|
          | Diagnostic port  |   CN5    | Memory module     |   CN11   |
          |                  |          | card slot         |          |
          |------------------+----------+-------------------+----------|
          | Floppy drive     |   CN6    |                   |          |
          | interface        |          |                   |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |             Function             | Jumper |    Position    |
          |----------------------------------+--------+----------------|
          | » | CMOS memory normal operation |  J20   |   pins 1 & 2   |
          |   |                              |        |     closed     |
          |---+------------------------------+--------+----------------|
          |   | CMOS memory clear            |  J20   |   pins 2 & 3   |
          |   |                              |        |     closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |       8MB        |     (1) 2M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |       16MB       |     (1) 2M x 9     |     (1) 2M x 9     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       TECHNICAL NOTE                       |
          |------------------------------------------------------------|
          |  This board comes standard with 1M video memory using (8)  |
          |                      256K x 4 chips.                       |
          +------------------------------------------------------------+