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       # SUPERPOWER COMPUTER CO., LTD.
       
          SP-V586A
       
          Device Type      Mainboard                                     
          Processor        CX 6X86/CX 6X86L/CX 686MX/AM K5/AM            
                           K6/Pentium/Pentium MMX                        
          Processor Speed  75/90/100/120/133/150/166/200/233/266/300MHz  
          Chip Set         VIA                                           
          Maximum Onboard  256MB (EDO & SDRAM supported)                 
          Memory           
          Cache            512KB                                         
          BIOS             Award                                         
          Dimensions       304mm x 200mm                                 
          I/O Options      32-bit PCI slots (4), floppy drive interface, 
                           green PC connector, IDE interfaces (2),       
                           parallel port, PS/2 mouse port, serial ports  
                           (2), IR connector, USB connectors (2), ATX    
                           power connector, AGP slot, wake on modem      
                           connector                                     
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose        |  Location   | Purpose         | Location  |
          |----------------+-------------+-----------------+-----------|
          | AGP slot       |     AGP     | Serial port 2   |    CN5    |
          |----------------+-------------+-----------------+-----------|
          | ATX power      |     ATX     | Serial port 1   |    CN6    |
          | connector      |             |                 |           |
          |----------------+-------------+-----------------+-----------|
          | Chassis fan    |     C1      | Parallel port   |    CN7    |
          | power          |             |                 |           |
          |----------------+-------------+-----------------+-----------|
          | Chassis fan    |     C2      | USB connector 1 |    CN8    |
          | power          |             |                 |           |
          |----------------+-------------+-----------------+-----------|
          | Power LED &    | CN4/pins 1  | USB connector 2 |    CN9    |
          | keylock        |     - 5     |                 |           |
          |----------------+-------------+-----------------+-----------|
          | IDE interface  | CN4/pins 6  | PS/2 mouse port |   CN10    |
          | LED            |    & 17     |                 |           |
          |----------------+-------------+-----------------+-----------|
          | Green PC       | CN4/pins 7  | Floppy drive    |   CN11    |
          | connector      |    & 16     | interface       |           |
          |----------------+-------------+-----------------+-----------|
          | Reset switch   | CN4/pins 8  | IDE interface 2 |   CN12    |
          |                |    & 15     |                 |           |
          |----------------+-------------+-----------------+-----------|
          | Turbo LED      | CN4/pins 9  | IDE interface 1 |   CN13    |
          |                |    & 14     |                 |           |
          |----------------+-------------+-----------------+-----------|
          | Green PC LED   | CN4/pins 10 | IR connector    |    IR1    |
          |                |    & 13     |                 |           |
          |----------------+-------------+-----------------+-----------|
          | Soft off power | CN4/pins 11 | Wake on LAN     |    J2     |
          | supply         |    & 12     | connector       |           |
          |----------------+-------------+-----------------+-----------|
          | Speaker        | CN4/pins 19 | 32-bit PCI      | PC1 - PC4 |
          |                |    - 22     | slots           |           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |             Function              | Label |    Position    |
          |-----------------------------------+-------+----------------|
          |   | Flash BIOS voltage select 12v |  J1   |   Pins 2 & 3   |
          |   |                               |       |     closed     |
          |---+-------------------------------+-------+----------------|
          |   | Flash BIOS voltage select 5v  |  J1   |   Pins 1 & 2   |
          |   |                               |       |     closed     |
          |---+-------------------------------+-------+----------------|
          | ยป | CMOS memory normal operation  |  J4   |   Pins 1 & 2   |
          |   |                               |       |     closed     |
          |---+-------------------------------+-------+----------------|
          |   | CMOS memory clear             |  J4   |   Pins 2 & 3   |
          |   |                               |       |     closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     SIMM CONFIGURATION                     |
          |------------------------------------------------------------|
          |            Size            |            Bank 3             |
          |----------------------------+-------------------------------|
          |            8MB             |          (2) 1M x 36          |
          |----------------------------+-------------------------------|
          |            16MB            |          (2) 2M x 36          |
          |----------------------------+-------------------------------|
          |            32MB            |          (2) 4M x 36          |
          |----------------------------+-------------------------------|
          |            64MB            |          (2) 8M x 36          |
          |----------------------------+-------------------------------|
          |           128MB            |         (2) 16M x 36          |
          |----------------------------+-------------------------------|
          |           256MB            |         (2) 32M x 36          |
          |------------------------------------------------------------|
          |      Note: Board accepts EDO memory.                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DIMM CONFIGURATION                     |
          |------------------------------------------------------------|
          |    Size    |    Bank 0     |    Bank 1     |    Bank 2     |
          |------------+---------------+---------------+---------------|
          |    8MB     |  (1) 1M x 64  |     None      |     None      |
          |------------+---------------+---------------+---------------|
          |    16MB    |  (1) 2M x 64  |     None      |     None      |
          |------------+---------------+---------------+---------------|
          |    16MB    |  (1) 1M x 64  |  (1) 1M x 64  |     None      |
          |------------+---------------+---------------+---------------|
          |    24MB    |  (1) 2M x 64  |  (1) 1M x 64  |     None      |
          |------------+---------------+---------------+---------------|
          |    24MB    |  (1) 1M x 64  |  (1) 1M x 64  |  (1) 1M x 64  |
          |------------+---------------+---------------+---------------|
          |    32MB    |  (1) 4M x 64  |     None      |     None      |
          |------------+---------------+---------------+---------------|
          |    32MB    |  (1) 2M x 64  |  (1) 1M x 64  |  (1) 1M x 64  |
          |------------+---------------+---------------+---------------|
          |    32MB    |  (1) 2M x 64  |  (1) 2M x 64  |     None      |
          |------------+---------------+---------------+---------------|
          |    40MB    |  (1) 4M x 64  |  (1) 1M x 64  |     None      |
          |------------+---------------+---------------+---------------|
          |    40MB    |  (1) 2M x 64  |  (1) 2M x 64  |  (1) 1M x 64  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DIMM CONFIGURATION (CON'T)                 |
          |------------------------------------------------------------|
          |    Size    |    Bank 0     |    Bank 1     |    Bank 2     |
          |------------+---------------+---------------+---------------|
          |    48MB    |  (1) 4M x 64  |  (1) 1M x 64  |  (1) 1M x 64  |
          |------------+---------------+---------------+---------------|
          |    48MB    |  (1) 4M x 64  |  (1) 2M x 64  |     None      |
          |------------+---------------+---------------+---------------|
          |    48MB    |  (1) 2M x 64  |  (1) 2M x 64  |  (1) 2M x 64  |
          |------------+---------------+---------------+---------------|
          |    56MB    |  (1) 4M x 64  |  (1) 2M x 64  |  (1) 1M x 64  |
          |------------+---------------+---------------+---------------|
          |    64MB    |  (1) 8M x 64  |     None      |     None      |
          |------------+---------------+---------------+---------------|
          |    64MB    |  (1) 4M x 64  |  (1) 2M x 64  |  (1) 2M x 64  |
          |------------+---------------+---------------+---------------|
          |    64MB    |  (1) 4M x 64  |  (1) 4M x 64  |     None      |
          |------------+---------------+---------------+---------------|
          |    72MB    |  (1) 8M x 64  |  (1) 1M x 64  |     None      |
          |------------+---------------+---------------+---------------|
          |    72MB    |  (1) 4M x 64  |  (1) 4M x 64  |  (1) 1M x 64  |
          |------------+---------------+---------------+---------------|
          |    80MB    |  (1) 8M x 64  |  (1) 1M x 64  |  (1) 1M x 64  |
          |------------+---------------+---------------+---------------|
          |    80MB    |  (1) 8M x 64  |  (1) 2M x 64  |     None      |
          |------------+---------------+---------------+---------------|
          |    80MB    |  (1) 4M x 64  |  (1) 4M x 64  |  (1) 2M x 64  |
          |------------+---------------+---------------+---------------|
          |    88MB    |  (1) 8M x 64  |  (1) 2M x 64  |  (1) 1M x 64  |
          |------------+---------------+---------------+---------------|
          |    96MB    |  (1) 8M x 64  |  (1) 2M x 64  |  (1) 2M x 64  |
          |------------+---------------+---------------+---------------|
          |    96MB    |  (1) 8M x 64  |  (1) 4M x 64  |     None      |
          |------------+---------------+---------------+---------------|
          |   128MB    | (1) 16M x 64  |     None      |     None      |
          |------------+---------------+---------------+---------------|
          |   128MB    |  (1) 8M x 64  |  (1) 4M x 64  |  (1) 4M x 64  |
          |------------+---------------+---------------+---------------|
          |   128MB    |  (1) 8M x 64  |  (1) 8M x 64  |     None      |
          |------------+---------------+---------------+---------------|
          |   136MB    | (1) 16M x 64  |  (1) 1M x 64  |     None      |
          |------------+---------------+---------------+---------------|
          |   136MB    |  (1) 8M x 64  |  (1) 8M x 64  |  (1) 1M x 64  |
          |------------+---------------+---------------+---------------|
          |   144MB    | (1) 16M x 64  |  (1) 1M x 64  |  (1) 1M x 64  |
          |------------+---------------+---------------+---------------|
          |   144MB    | (1) 16M x 64  |  (1) 2M x 64  |     None      |
          |------------+---------------+---------------+---------------|
          |   144MB    |  (1) 8M x 64  |  (1) 8M x 64  |  (1) 2M x 64  |
          |------------+---------------+---------------+---------------|
          |   152MB    | (1) 16M x 64  |  (1) 2M x 64  |  (1) 1M x 64  |
          |------------+---------------+---------------+---------------|
          |   160MB    | (1) 16M x 64  |  (1) 2M x 64  |  (1) 2M x 64  |
          |------------+---------------+---------------+---------------|
          |   160MB    | (1) 16M x 64  |  (1) 4M x 64  |     None      |
          |------------+---------------+---------------+---------------|
          |   160MB    |  (1) 8M x 64  |  (1) 8M x 64  |  (1) 4M x 64  |
          |------------+---------------+---------------+---------------|
          |   168MB    | (1) 16M x 64  |  (1) 4M x 64  |  (1) 1M x 64  |
          |------------+---------------+---------------+---------------|
          |   176MB    | (1) 16M x 64  |  (1) 4M x 64  |  (1) 2M x 64  |
          |------------+---------------+---------------+---------------|
          |   192MB    | (1) 16M x 64  |  (1) 4M x 64  |  (1) 4M x 64  |
          |------------+---------------+---------------+---------------|
          |   192MB    | (1) 16M x 64  |  (1) 8M x 64  |     None      |
          |------------+---------------+---------------+---------------|
          |   192MB    |  (1) 8M x 64  |  (1) 8M x 64  |  (1) 8M x 64  |
          |------------+---------------+---------------+---------------|
          |   200MB    | (1) 16M x 64  |  (1) 8M x 64  |  (1) 1M x 64  |
          |------------+---------------+---------------+---------------|
          |   208MB    | (1) 16M x 64  |  (1) 8M x 64  |  (1) 2M x 64  |
          |------------+---------------+---------------+---------------|
          |   224MB    | (1) 16M x 64  |  (1) 8M x 64  |  (1) 4M x 64  |
          |------------+---------------+---------------+---------------|
          |   256MB    | (1) 16M x 64  |  (1) 8M x 64  |  (1) 8M x 64  |
          |------------------------------------------------------------|
          |      Note: Board accepts SDRAM memory.                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DIMM VOLTAGE CONFIGURATION                 |
          |------------------------------------------------------------|
          |     Voltage      |        JP1A        |        JP1B        |
          |------------------+--------------------+--------------------|
          |       3.3v       | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |        5v        | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |        TAG         |
          |------------------+--------------------+--------------------|
          |      256KB       |    (2) 32K x 32    |    Unidentified    |
          |------------------+--------------------+--------------------|
          |      512KB       |    (2) 64K x 32    |    Unidentified    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               CPU SPEED SELECTION (CX 6X86)                |
          |------------------------------------------------------------|
          |  CPU  | Clock |Multiplier| JB1/ |JB1/ |JB1/ |JC1 |JC2 |JC3 |
          | speed | speed |          |      |     |     |    |    |    |
          |       |       |          | pins |pins |pins |    |    |    |
          |       |       |          |      |     |     |    |    |    |
          |       |       |          |1 & 2 |3 & 4|5 & 6|    |    |    |
          |-------+-------+----------+------+-----+-----+----+----+----|
          |150MHz | 60MHz |    2x    |Closed|Open |Open |2 & |1 & |1 & |
          |       |       |          |      |     |     | 3  | 2  | 2  |
          |-------+-------+----------+------+-----+-----+----+----+----|
          |166MHz | 66MHz |    2x    |Closed|Open |Open |1 & |1 & |1 & |
          |       |       |          |      |     |     | 2  | 2  | 2  |
          |------------------------------------------------------------|
          |Note: Pins designated should be in the closed position.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               CPU SPEED SELECTION (CX 6X86L)               |
          |------------------------------------------------------------|
          |  CPU  | Clock |Multiplier| JB1/ |JB1/ |JB1/ |JC1 |JC2 |JC3 |
          | speed | speed |          |      |     |     |    |    |    |
          |       |       |          | pins |pins |pins |    |    |    |
          |       |       |          |      |     |     |    |    |    |
          |       |       |          |1 & 2 |3 & 4|5 & 6|    |    |    |
          |-------+-------+----------+------+-----+-----+----+----+----|
          |150MHz | 60MHz |    2x    |Closed|Open |Open |2 & |1 & |1 & |
          |       |       |          |      |     |     | 3  | 2  | 2  |
          |-------+-------+----------+------+-----+-----+----+----+----|
          |166MHz | 66MHz |    2x    |Closed|Open |Open |1 & |1 & |1 & |
          |       |       |          |      |     |     | 2  | 2  | 2  |
          |-------+-------+----------+------+-----+-----+----+----+----|
          |200MHz | 75MHz |    2x    |Closed|Open |Open |1 & |2 & |1 & |
          |       |       |          |      |     |     | 2  | 3  | 2  |
          |------------------------------------------------------------|
          |Note: Pins designated should be in the closed position.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              CPU SPEED SELECTION (CX 6X86MX)               |
          |------------------------------------------------------------|
          |  CPU  |Clock |Multiplier| JB1/ | JB1/ |JB1/ |JC1 |JC2 |JC3 |
          | speed |speed |          |      |      |     |    |    |    |
          |       |      |          | pins | pins |pins |    |    |    |
          |       |      |          |      |      |     |    |    |    |
          |       |      |          |1 & 2 |3 & 4 |5 & 6|    |    |    |
          |-------+------+----------+------+------+-----+----+----+----|
          |166MHz |66MHz |    2x    |Closed| Open |Open |1 & |1 & |1 & |
          |       |      |          |      |      |     | 2  | 2  | 2  |
          |-------+------+----------+------+------+-----+----+----+----|
          |200MHz |66MHz |   2.5x   |Closed|Closed|Open |1 & |1 & |1 & |
          |       |      |          |      |      |     | 2  | 2  | 2  |
          |-------+------+----------+------+------+-----+----+----+----|
          |200MHz |75MHz |    2x    |Closed| Open |Open |1 & |2 & |1 & |
          |       |      |          |      |      |     | 2  | 3  | 2  |
          |-------+------+----------+------+------+-----+----+----+----|
          |233MHz |75MHz |   2.5x   |Closed|Closed|Open |1 & |2 & |1 & |
          |       |      |          |      |      |     | 2  | 3  | 2  |
          |-------+------+----------+------+------+-----+----+----+----|
          |300MHz |75MHz |    3x    | Open |Closed|Open |1 & |2 & |1 & |
          |       |      |          |      |      |     | 2  | 3  | 2  |
          |------------------------------------------------------------|
          |Note: Pins designated should be in the closed position.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                CPU SPEED SELECTION (AM K5)                 |
          |------------------------------------------------------------|
          |  CPU  |Clock |Multiplier| JB1/ | JB1/ |JB1/ |JC1 |JC2 |JC3 |
          | speed |speed |          |      |      |     |    |    |    |
          |       |      |          | pins | pins |pins |    |    |    |
          |       |      |          |      |      |     |    |    |    |
          |       |      |          |1 & 2 |3 & 4 |5 & 6|    |    |    |
          |-------+------+----------+------+------+-----+----+----+----|
          |133MHz |66MHz |    2x    |Closed| Open |Open |1 & |1 & |1 & |
          |       |      |          |      |      |     | 2  | 2  | 2  |
          |-------+------+----------+------+------+-----+----+----+----|
          |150MHz |60MHz |   2.5x   |Closed|Closed|Open |2 & |1 & |1 & |
          |       |      |          |      |      |     | 3  | 2  | 2  |
          |-------+------+----------+------+------+-----+----+----+----|
          |166MHz |66MHz |   2.5x   |Closed|Closed|Open |1 & |1 & |1 & |
          |       |      |          |      |      |     | 2  | 2  | 2  |
          |------------------------------------------------------------|
          |Note: Pins designated should be in the closed position.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                CPU SPEED SELECTION (AM K6)                 |
          |------------------------------------------------------------|
          |  CPU  |Clock |Multiplier| JB1/ | JB1/ | JB1/ |JC1 |JC2 |JC3|
          | speed |speed |          |      |      |      |    |    |   |
          |       |      |          | pins | pins | pins |    |    |   |
          |       |      |          |      |      |      |    |    |   |
          |       |      |          |1 & 2 |3 & 4 |5 & 6 |    |    |   |
          |-------+------+----------+------+------+------+----+----+---|
          |166MHz |66MHz |   2.5x   |Closed|Closed| Open |1 & |1 & |1 &|
          |       |      |          |      |      |      | 2  | 2  | 2 |
          |-------+------+----------+------+------+------+----+----+---|
          |200MHz |66MHz |    3x    | Open |Closed| Open |1 & |1 & |1 &|
          |       |      |          |      |      |      | 2  | 2  | 2 |
          |-------+------+----------+------+------+------+----+----+---|
          |233MHz |66MHz |   3.5x   | Open | Open | Open |1 & |1 & |1 &|
          |       |      |          |      |      |      | 2  | 2  | 2 |
          |-------+------+----------+------+------+------+----+----+---|
          |266MHz |66MHz |    4x    |Closed| Open |Closed|1 & |1 & |1 &|
          |       |      |          |      |      |      | 2  | 2  | 2 |
          |-------+------+----------+------+------+------+----+----+---|
          |300MHz |66MHz |   4.5x   |Closed|Closed|Closed|1 & |1 & |1 &|
          |       |      |          |      |      |      | 2  | 2  | 2 |
          |------------------------------------------------------------|
          |Note: Pins designated should be in the closed position.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                CPU SPEED SELECTION (INTEL)                 |
          |------------------------------------------------------------|
          |  CPU  |Clock |Multiplier| JB1/ | JB1/ |JB1/ |JC1 |JC2 |JC3 |
          | speed |speed |          |      |      |     |    |    |    |
          |       |      |          | pins | pins |pins |    |    |    |
          |       |      |          |      |      |     |    |    |    |
          |       |      |          |1 & 2 |3 & 4 |5 & 6|    |    |    |
          |-------+------+----------+------+------+-----+----+----+----|
          | 75MHz |50MHz |   1.5x   | Open | Open |Open |2 & |2 & |2 & |
          |       |      |          |      |      |     | 3  | 3  | 3  |
          |-------+------+----------+------+------+-----+----+----+----|
          | 90MHz |60MHz |   1.5x   | Open | Open |Open |2 & |1 & |1 & |
          |       |      |          |      |      |     | 3  | 2  | 2  |
          |-------+------+----------+------+------+-----+----+----+----|
          |100MHz |66MHz |   1.5x   | Open | Open |Open |1 & |1 & |1 & |
          |       |      |          |      |      |     | 2  | 2  | 2  |
          |-------+------+----------+------+------+-----+----+----+----|
          |120MHz |60MHz |    2x    |Closed| Open |Open |2 & |1 & |1 & |
          |       |      |          |      |      |     | 3  | 2  | 2  |
          |-------+------+----------+------+------+-----+----+----+----|
          |133MHz |66MHz |    2x    |Closed| Open |Open |1 & |1 & |1 & |
          |       |      |          |      |      |     | 2  | 2  | 2  |
          |-------+------+----------+------+------+-----+----+----+----|
          |150MHz |60MHz |   2.5x   |Closed|Closed|Open |2 & |1 & |1 & |
          |       |      |          |      |      |     | 3  | 2  | 2  |
          |-------+------+----------+------+------+-----+----+----+----|
          |166MHz |66MHz |   2.5x   |Closed|Closed|Open |1 & |1 & |1 & |
          |       |      |          |      |      |     | 2  | 2  | 2  |
          |-------+------+----------+------+------+-----+----+----+----|
          |200MHz |66MHz |    3x    | Open |Closed|Open |1 & |1 & |1 & |
          |       |      |          |      |      |     | 2  | 2  | 2  |
          |------------------------------------------------------------|
          |Note: Pins designated should be in the closed position.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              CPU SPEED SELECTION (INTEL MMX)               |
          |------------------------------------------------------------|
          |  CPU  |Clock |Multiplier| JB1/ | JB1/ |JB1/ |JC1 |JC2 |JC3 |
          | speed |speed |          |      |      |     |    |    |    |
          |       |      |          | pins | pins |pins |    |    |    |
          |       |      |          |      |      |     |    |    |    |
          |       |      |          |1 & 2 |3 & 4 |5 & 6|    |    |    |
          |-------+------+----------+------+------+-----+----+----+----|
          |166MHz |66MHz |   2.5x   |Closed|Closed|Open |1 & |1 & |1 & |
          |       |      |          |      |      |     | 2  | 2  | 2  |
          |-------+------+----------+------+------+-----+----+----+----|
          |200MHz |66MHz |    3x    | Open |Closed|Open |1 & |1 & |1 & |
          |       |      |          |      |      |     | 2  | 2  | 2  |
          |-------+------+----------+------+------+-----+----+----+----|
          |233MHz |66MHz |   3.5x   | Open | Open |Open |1 & |1 & |1 & |
          |       |      |          |      |      |     | 2  | 2  | 2  |
          |------------------------------------------------------------|
          |Note: Pins designated should be in the closed position.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU VOLTAGE SELECTION                    |
          |------------------------------------------------------------|
          | Voltage | JV1/pins 1  | JV1/pins 3 | JV1/pins 5 | JV1/pins |
          |         |     & 2     |    & 4     |    & 6     |  7 & 8   |
          |---------+-------------+------------+------------+----------|
          |  2.0v   |    Open     |    Open    |    Open    |   Open   |
          |---------+-------------+------------+------------+----------|
          |  2.1v   |   Closed    |    Open    |    Open    |   Open   |
          |---------+-------------+------------+------------+----------|
          |  2.2v   |    Open     |    Open    |   Closed   |   Open   |
          |---------+-------------+------------+------------+----------|
          |  2.3v   |   Closed    |   Closed   |    Open    |   Open   |
          |---------+-------------+------------+------------+----------|
          |  2.4v   |    Open     |    Open    |   Closed   |   Open   |
          |---------+-------------+------------+------------+----------|
          |  2.5v   |   Closed    |    Open    |   Closed   |   Open   |
          |---------+-------------+------------+------------+----------|
          |  2.6v   |    Open     |   Closed   |   Closed   |   Open   |
          |---------+-------------+------------+------------+----------|
          |  2.7v   |   Closed    |   Closed   |   Closed   |   Open   |
          |---------+-------------+------------+------------+----------|
          |  2.8v   |    Open     |    Open    |    Open    |  Closed  |
          |---------+-------------+------------+------------+----------|
          |  2.9v   |   Closed    |    Open    |    Open    |  Closed  |
          |---------+-------------+------------+------------+----------|
          |  3.0v   |    Open     |   Closed   |   Closed   |   Open   |
          |---------+-------------+------------+------------+----------|
          |  3.1v   |   Closed    |   Closed   |    Open    |  Closed  |
          |---------+-------------+------------+------------+----------|
          |  3.2v   |    Open     |    Open    |   Closed   |  Closed  |
          |---------+-------------+------------+------------+----------|
          |  3.3v   |    Open     |   Closed   |   Closed   |  Closed  |
          |---------+-------------+------------+------------+----------|
          |  3.5v   |   Closed    |   Closed   |   Closed   |  Closed  |
          +------------------------------------------------------------+