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       # LAVA COMPUTER MFG., INC.
       
          LAVA INTELLIGENCE-AT
       
          Card Type          Memory card                                 
          Chipset/Controller N/A                                         
          I/O Options        N/A                                         
          Maximum DRAM       2MB                                         
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                     AT BOARD SELECTION                     |
          |------------------------------------------------------------|
          |   Starting Address    |  System allocated RAM  |   SW1/1   |
          |-----------------------+------------------------+-----------|
          |         640KB         |          0KB           |    On     |
          |-----------------------+------------------------+-----------|
          |         512KB         |         128KB          |    Off    |
          |------------------------------------------------------------|
          |   Note:This board allows for a section of the RAM to be    |
          |   considered existing system memory to compensate for      |
          |   having a machine with less than 640KB.                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   DRAM ADDRESS SELECTION                   |
          |------------------------------------------------------------|
          | Starting Address |    SW1/2    |    SW1/3    |    SW1/4    |
          |------------------+-------------+-------------+-------------|
          |      0208h       |     Off     |     Off     |     Off     |
          |------------------+-------------+-------------+-------------|
          |      0218h       |     On      |     Off     |     Off     |
          |------------------+-------------+-------------+-------------|
          |      0258h       |     On      |     On      |     Off     |
          |------------------+-------------+-------------+-------------|
          |      0268h       |     Off     |     On      |     Off     |
          |------------------+-------------+-------------+-------------|
          |      0298h       |     Off     |     Off     |     On      |
          |------------------+-------------+-------------+-------------|
          |      02A8h       |     Off     |     On      |     On      |
          |------------------+-------------+-------------+-------------|
          |      02B8h       |     On      |     Off     |     On      |
          |------------------+-------------+-------------+-------------|
          |      02E8h       |     On      |     On      |     On      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   DRAM ADDRESS SELECTION                   |
          |------------------------------------------------------------|
          |         Base Address          |           SW1/5            |
          |-------------------------------+----------------------------|
          |             E000h             |             On             |
          |-------------------------------+----------------------------|
          |             D000h             |            Off             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     WAIT STATE SELECT                      |
          |------------------------------------------------------------|
          |  Number  |   JP1   |   JP2   |   JP3   |   JP4   |   JP5   |
          |----------+---------+---------+---------+---------+---------|
          |    0     |  Open   |  Open   |  Open   |  Open   | Closed  |
          |----------+---------+---------+---------+---------+---------|
          |    1     |  Open   |  Open   |  Open   | Closed  |  Open   |
          |----------+---------+---------+---------+---------+---------|
          |    2     |  Open   |  Open   | Closed  |  Open   |  Open   |
          |----------+---------+---------+---------+---------+---------|
          |    3     |  Open   | Closed  |  Open   |  Open   |  Open   |
          |----------+---------+---------+---------+---------+---------|
          |    4     | Closed  |  Open   |  Open   |  Open   |  Open   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM SPEED SELECT                      |
          |------------------------------------------------------------|
          |   Speed    |    JP6    |    JP7    |    JP8    |    JP9    |
          |------------+-----------+-----------+-----------+-----------|
          |  100 nsec  |   Open    |   Open    |   Open    |  Closed   |
          |------------+-----------+-----------+-----------+-----------|
          |  120 nsec  |   Open    |   Open    |  Closed   |   Open    |
          |------------+-----------+-----------+-----------+-----------|
          |  150 nsec  |   Open    |  Closed   |   Open    |   Open    |
          |------------+-----------+-----------+-----------+-----------|
          |  200 nsec  |  Closed   |   Open    |   Open    |   Open    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |  Size  |   Bank 0   |   Bank 1   |   Bank 2   |   Bank 3   |
          |--------+------------+------------+------------+------------|
          | 256KB  | (9) 64K x  |    NONE    |    NONE    |    NONE    |
          |        |     4      |            |            |            |
          |--------+------------+------------+------------+------------|
          | 512KB  | (9) 64K x  | (9) 64K x  |    NONE    |    NONE    |
          |        |     4      |     4      |            |            |
          |--------+------------+------------+------------+------------|
          | 768KB  | (9) 64K x  | (9) 64K x  | (9) 64K x  |    NONE    |
          |        |     4      |     4      |     4      |            |
          |--------+------------+------------+------------+------------|
          | 1024KB | (9) 64K x  | (9) 64K x  | (9) 64K x  | (9) 64K x  |
          |        |     4      |     4      |     4      |     4      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               DRAM CONFIGURATION (CONTINUED)               |
          |------------------------------------------------------------|
          |  Size  |   Bank 4   |   Bank 5   |   Bank 6   |   Bank 7   |
          |--------+------------+------------+------------+------------|
          | 1280KB | (9) 64K x  |    NONE    |    NONE    |    NONE    |
          |        |     4      |            |            |            |
          |--------+------------+------------+------------+------------|
          | 1536KB | (9) 64K x  | (9) 64K x  |    NONE    |    NONE    |
          |        |     4      |     4      |            |            |
          |--------+------------+------------+------------+------------|
          | 1792KB | (9) 64K x  | (9) 64K x  | (9) 64K x  |    NONE    |
          |        |     4      |     4      |     4      |            |
          |--------+------------+------------+------------+------------|
          | 2048KB | (9) 64K x  | (9) 64K x  | (9) 64K x  | (9) 64K x  |
          |        |     4      |     4      |     4      |     4      |
          +------------------------------------------------------------+