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       # AST RESEARCH, INC.
       
          PREMIUM/386-33
       
          Processor       80386DX                                        
          Processor Speed 33MHz                                          
          Chip Set        AST                                            
          Max. Onboard    None (36MB total on 32-bit external cards)     
          DRAM            
          Cache           32KB                                           
          BIOS            AST                                            
          Dimensions      355mm x 251mm                                  
          I/O Options     16-bit external expansion card slot, 32-bit    
                          external CPU/NPU card slot, 32-bit external    
                          memory card slot (2), floppy interface, IDE    
                          interface, parallel port, serial ports (2)     
          NPU Options     80387/3167                                     
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose         | Location | Purpose            | Location |
          |-----------------+----------+--------------------+----------|
          | 32-bit external |   CN1    | Auxillary floppy   |    P4    |
          | CPU/NPU card    |          | drive interface    |          |
          |-----------------+----------+--------------------+----------|
          | 32-bit external |   CN2    | Power LED & reset  |    P5    |
          | memory card     |          | switch             |          |
          |-----------------+----------+--------------------+----------|
          | 32-bit external |   CN3    | Speaker            |    P6    |
          | memory card     |          |                    |          |
          |-----------------+----------+--------------------+----------|
          | 16-bit external |   CN4    | External battery   |    P8    |
          | expansion card  |          |                    |          |
          |-----------------+----------+--------------------+----------|
          | Primary floppy  |    P3    | IDE interface      |   P11    |
          | drive interface |          |                    |          |
          |------------------------------------------------------------|
          | Note:Expansion card slots CN1 through CN4 will accept      |
          | standard 8 or 16-bit ISA cards.                            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | Password check enabled           |   E1   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Password check disabled          |   E1   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |   E2   |    Open    |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |   E3   |    Open    |
          |   | alter                            |        |            |
          +------------------------------------------------------------+
       
 (IMG) IMG 2
          
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |                Function                | Jumper | Position |
          |----------------------------------------+--------+----------|
          | » | Factory configured - do not alter  |   E1   |  Closed  |
          |---+------------------------------------+--------+----------|
          | » | Factory configured - do not alter  |   E2   |   Open   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size |    Bank 0    |   Bank 1   |   Bank 2   |   Bank 3   |
          |------+--------------+------------+------------+------------|
          | 1MB  |  (1) 256K x  |    NONE    |    NONE    |    NONE    |
          |      |      36      |            |            |            |
          |------+--------------+------------+------------+------------|
          | 2MB  |  (1) 256K x  | (1) 256K x |    NONE    |    NONE    |
          |      |      36      |     36     |            |            |
          |------+--------------+------------+------------+------------|
          | 3MB  |  (1) 256K x  | (1) 256K x | (1) 256K x |    NONE    |
          |      |      36      |     36     |     36     |            |
          |------+--------------+------------+------------+------------|
          | 4MB  |  (1) 256K x  | (1) 256K x | (1) 256K x | (1) 256K x |
          |      |      36      |     36     |     36     |     36     |
          +------------------------------------------------------------+
       
 (IMG) IMG 3
          
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |                Function                 |  SW1  | Position |
          |-----------------------------------------+-------+----------|
          | » | Parity check enabled                | SW1/1 |    On    |
          |---+-------------------------------------+-------+----------|
          |   | Parity check disabled               | SW1/1 |   Off    |
          |---+-------------------------------------+-------+----------|
          | » | Total system memory is less than    | SW1/2 |   Off    |
          |   | 16MB                                |       |          |
          |---+-------------------------------------+-------+----------|
          |   | Total system memory is 16MB or more | SW1/2 |    On    |
          |---+-------------------------------------+-------+----------|
          | » | Factory configured - do not alter   | SW1/3 |   Off    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM SWITCH CONFIGURATION                  |
          |------------------------------------------------------------|
          | Total memory |  SW1/4  | SW1/5  | SW1/6  | SW1/7  | SW1/8  |
          |--------------+---------+--------+--------+--------+--------|
          |     |  1MB   |   On    |   On   |   On   |   On   |  Off   |
          |-----+--------+---------+--------+--------+--------+--------|
          |     |  2MB   |   On    |   On   |   On   |  Off   |   On   |
          |-----+--------+---------+--------+--------+--------+--------|
          |     |  3MB   |   On    |   On   |   On   |  Off   |  Off   |
          |-----+--------+---------+--------+--------+--------+--------|
          | »   |  4MB   |   On    |   On   |  Off   |   On   |   On   |
          |-----+--------+---------+--------+--------+--------+--------|
          |     |  5MB   |   On    |   On   |  Off   |   On   |  Off   |
          |-----+--------+---------+--------+--------+--------+--------|
          |     |  6MB   |   On    |   On   |  Off   |  Off   |   On   |
          |-----+--------+---------+--------+--------+--------+--------|
          |     |  7MB   |   On    |   On   |  Off   |  Off   |  Off   |
          |-----+--------+---------+--------+--------+--------+--------|
          |     |  8MB   |   On    |  Off   |   On   |   On   |   On   |
          |-----+--------+---------+--------+--------+--------+--------|
          |     |  9MB   |   On    |  Off   |   On   |   On   |  Off   |
          |-----+--------+---------+--------+--------+--------+--------|
          |     |  10MB  |   On    |  Off   |   On   |  Off   |   On   |
          |-----+--------+---------+--------+--------+--------+--------|
          |     |  11MB  |   On    |  Off   |   On   |  Off   |  Off   |
          |-----+--------+---------+--------+--------+--------+--------|
          |     |  12MB  |   On    |  Off   |  Off   |   On   |   On   |
          |-----+--------+---------+--------+--------+--------+--------|
          |     |  13MB  |   On    |  Off   |  Off   |   On   |  Off   |
          |-----+--------+---------+--------+--------+--------+--------|
          |     |  14MB  |   On    |  Off   |  Off   |  Off   |   On   |
          |-----+--------+---------+--------+--------+--------+--------|
          |     |  15MB  |   On    |  Off   |  Off   |  Off   |  Off   |
          |-----+--------+---------+--------+--------+--------+--------|
          |     |  16MB  |   Off   |   On   |   On   |   On   |   On   |
          |-----+--------+---------+--------+--------+--------+--------|
          |     |  17MB  |   Off   |   On   |   On   |   On   |  Off   |
          |-----+--------+---------+--------+--------+--------+--------|
          |     |  18MB  |   Off   |   On   |   On   |  Off   |   On   |
          |-----+--------+---------+--------+--------+--------+--------|
          |     |  19MB  |   Off   |   On   |   On   |  Off   |  Off   |
          |-----+--------+---------+--------+--------+--------+--------|
          |     |  20MB  |   Off   |   On   |  Off   |   On   |   On   |
          |------------------------------------------------------------|
          | Note: Set the switches to the total amount of system       |
          | memory installed not including this card. This enables     |
          | this card to start filling system memory where the other   |
          | card(s) left off. A setting of 4MB or less means that this |
          | card is the first memory card to be installed. A setting   |
          | of more than 4MB means that this card is the second memory |
          | card that is installed.                                    |
          +------------------------------------------------------------+
       
       +--------------------------------------------------------------------------------------------------------------------+
       |                                                 DRAM CONFIGURATION                                                 |
       |--------------------------------------------------------------------------------------------------------------------|
       |Size|  0   |  1   |  2   |  3   |  4   |  5   |  6   |  7   |  8   |  9   |  10  |  11  |  12  |  13  |  14  |  15  |
       |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------|
       |0MB | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None |
       |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------|
       |1MB |Filled| None | None | None | None | None | None | None | None | None | None | None | None | None | None | None |
       |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------|
       |2MB |Filled|Filled| None | None | None | None | None | None | None | None | None | None | None | None | None | None |
       |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------|
       |3MB |Filled|Filled|Filled| None | None | None | None | None | None | None | None | None | None | None | None | None |
       |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------|
       |4MB |Filled|Filled|Filled|Filled| None | None | None | None | None | None | None | None | None | None | None | None |
       |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------|
       |5MB |Filled|Filled|Filled|Filled|Filled| None | None | None | None | None | None | None | None | None | None | None |
       |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------|
       |6MB |Filled|Filled|Filled|Filled|Filled|Filled| None | None | None | None | None | None | None | None | None | None |
       |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------|
       |7MB |Filled|Filled|Filled|Filled|Filled|Filled|Filled| None | None | None | None | None | None | None | None | None |
       |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------|
       |8MB |Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled| None | None | None | None | None | None | None | None |
       |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------|
       |9MB |Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled| None | None | None | None | None | None | None |
       |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------|
       |10MB|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled| None | None | None | None | None | None |
       |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------|
       |11MB|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled| None | None | None | None | None |
       |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------|
       |12MB|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled| None | None | None | None |
       |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------|
       |13MB|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled| None | None | None |
       |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------|
       |14MB|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled| None | None |
       |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------|
       |15MB|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled| None |
       |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------|
       |16MB|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|
       |--------------------------------------------------------------------------------------------------------------------|
       |Note: Banks (0 through 15) are filled using (1) 256K x 36 SIMMs. This table is for a single card only.              |
       +--------------------------------------------------------------------------------------------------------------------+