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       # RHETOREX, INC.
       
          VANTAGE VRS
       
          Card Type         Telephony                                    
          I/O Options       MVIP bus                                     
          Data Bus          16-bit ISA                                   
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |           Function            |           Label            |
          |-------------------------------+----------------------------|
          | MVIP bus                      |             J1             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    MVIP BUS TERMINATION                    |
          |------------------------------------------------------------|
          |        Setting         |       W1        |       W2        |
          |------------------------+-----------------+-----------------|
          | » |     Terminated     |     Closed      |     Closed      |
          |---+--------------------+-----------------+-----------------|
          |   |   Not terminated   |      Open       |      Open       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      BASE I/O ADDRESS                      |
          |------------------------------------------------------------|
          |Setting | J2/A  | J2/B  | J2/C  | J2/D | J2/E | J2/F | J2/G |
          |--------+-------+-------+-------+------+------+------+------|
          |  |000h |Closed |Closed |Closed |Closed|Closed|Closed|Closed|
          |--+-----+-------+-------+-------+------+------+------+------|
          |  |008h |Closed |Closed |Closed |Closed|Closed|Closed| Open |
          |--+-----+-------+-------+-------+------+------+------+------|
          |  |020h |Closed |Closed |Closed |Closed| Open |Closed|Closed|
          |--+-----+-------+-------+-------+------+------+------+------|
          |  |028h |Closed |Closed |Closed |Closed| Open |Closed| Open |
          |--+-----+-------+-------+-------+------+------+------+------|
          |  |030h |Closed |Closed |Closed |Closed| Open | Open |Closed|
          |--+-----+-------+-------+-------+------+------+------+------|
          |» |300h | Open  | Open  |Closed |Closed|Closed|Closed|Closed|
          |--+-----+-------+-------+-------+------+------+------+------|
          |  |3D8h | Open  | Open  | Open  | Open |Closed| Open | Open |
          |--+-----+-------+-------+-------+------+------+------+------|
          |  |3E0h | Open  | Open  | Open  | Open | Open |Closed|Closed|
          |--+-----+-------+-------+-------+------+------+------+------|
          |  |3E8h | Open  | Open  | Open  | Open | Open |Closed| Open |
          |--+-----+-------+-------+-------+------+------+------+------|
          |  |3F0h | Open  | Open  | Open  | Open | Open | Open |Closed|
          |--+-----+-------+-------+-------+------+------+------+------|
          |  |3F8h | Open  | Open  | Open  | Open | Open | Open | Open |
          |------------------------------------------------------------|
          |     Note: A total of 127 base address settings are         |
          |     available. The jumpers are a binary representation of  |
          |     the decimal memory addresses. J2/A is the Most         |
          |     Significant Bit and jumper J2/G is the Least           |
          |     Significant Bit. The jumpers have the following decimal|
          |     values: J2/A=512, J2/B=256, J2/C=128, J2/D=64, J2/E=32,|
          |     J2/F=16, J2/G=8. Open the jumpers and add the values of|
          |     the open jumpers to obtain the correct memory address. |
          |     (Open=1, Closed=0)                                     |
          +------------------------------------------------------------+