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       # SUPERPOWER COMPUTER CO., LTD.
       
          SP-V586B
       
          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 VP3                                        
          Maximum Onboard 256MB (EDO & SDRAM supported)                  
          Memory          
          Cache           512KB                                          
          BIOS            Award                                          
          Dimensions      250mm x 220mm                                  
          I/O Options     32-bit PCI slots (4), floppy drive interface,  
                          green PC connector, IDE interfaces (2),        
                          parallel port, PS/2 mouse interface, serial    
                          ports (2), IR connector, USB connector, ATX    
                          power connector, AGP slot, wake on modem       
                          connector                                      
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose          | Location | Purpose        |  Location   |
          |------------------+----------+----------------+-------------|
          | AGP slot         |   AGP    | Power LED &    | CN5/pins 1  |
          |                  |          | keylock        |     - 5     |
          |------------------+----------+----------------+-------------|
          | ATX power        |   ATX    | IDE interface  | CN5/pins 6  |
          | connector        |          | LED            |    & 17     |
          |------------------+----------+----------------+-------------|
          | Serial port 1    |    C1    | Green PC       | CN5/pins 7  |
          |                  |          | connector      |    & 16     |
          |------------------+----------+----------------+-------------|
          | Serial port 2    |    C2    | Reset switch   | CN5/pins 8  |
          |                  |          |                |    & 15     |
          |------------------+----------+----------------+-------------|
          | Parallel port    |    C3    | Turbo LED      | CN5/pins 9  |
          |                  |          |                |    & 14     |
          |------------------+----------+----------------+-------------|
          | Floppy drive     |    C4    | Green PC LED   | CN5/pins 10 |
          | interface        |          |                |    & 13     |
          |------------------+----------+----------------+-------------|
          | IDE interface 1  |    C5    | Soft off power | CN5/pins 11 |
          |                  |          | supply         |    & 12     |
          |------------------+----------+----------------+-------------|
          | IDE interface 2  |    C6    | Speaker        | CN5/pins 19 |
          |                  |          |                |    - 22     |
          |------------------+----------+----------------+-------------|
          | AGP fan power    |    C7    | IR connector   |     IR1     |
          |------------------+----------+----------------+-------------|
          | CPU fan power    |    C8    | 32-bit PCI     |  PC1 - PC4  |
          |                  |          | slots          |             |
          |------------------+----------+----------------+-------------|
          | Wake on LAN      |    C9    | USB connector  |     USB     |
          | connector        |          |                |             |
          |------------------+----------+----------------+-------------|
          | PS/2 mouse       |   CN2    |                |             |
          | interface        |          |                |             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |             Function              | Label |    Position    |
          |-----------------------------------+-------+----------------|
          |   | Flash BIOS voltage select 12v |  J3   |   Pins 1 & 2   |
          |   |                               |       |     closed     |
          |---+-------------------------------+-------+----------------|
          |   | Flash BIOS voltage select 5v  |  J3   |   Pins 2 & 3   |
          |   |                               |       |     closed     |
          |---+-------------------------------+-------+----------------|
          | ยป | CMOS memory normal operation  |  J4   |   Pins 1 & 2   |
          |   |                               |       |     closed     |
          |---+-------------------------------+-------+----------------|
          |   | CMOS memory clear             |  J4   |   Pins 2 & 3   |
          |   |                               |       |     closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     SIMM CONFIGURATION                     |
          |------------------------------------------------------------|
          |            Size            |            Bank 0             |
          |----------------------------+-------------------------------|
          |            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 1     |    Bank 2     |    Bank 3     |
          |------------+---------------+---------------+---------------|
          |    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                     |
          |------------------------------------------------------------|
          |    Size    |    Bank 1     |    Bank 2     |    Bank 3     |
          |------------+---------------+---------------+---------------|
          |    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      |
          |------------+---------------+---------------+---------------|
          |    96MB    |  (1) 4M x 64  |  (1) 4M x 64  |  (1) 4M x 64  |
          |------------+---------------+---------------+---------------|
          |   104MB    |  (1) 8M x 64  |  (1) 4M x 64  |  (1) 1M x 64  |
          |------------+---------------+---------------+---------------|
          |   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      |
          |------------+---------------+---------------+---------------|
          |   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 2 & 3 closed  | Pins 2 & 3 closed  |
          |------------------+--------------------+--------------------|
          |        5v        | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |            Size            |            Bank 0             |
          |----------------------------+-------------------------------|
          |           512KB            |         (2) 64K x 32          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               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 |1 &|1 &|2 &|
          |       |          |          |      |     |     | 2 | 2 | 3 |
          |-------+----------+----------+------+-----+-----+---+---+---|
          |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 |1 &|1 &|2 &|
          |       |          |          |      |     |     | 2 | 2 | 3 |
          |-------+----------+----------+------+-----+-----+---+---+---|
          |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 |1 &|1 &|2 &|
          |      |          |          |      |      |     | 2 | 2 | 3 |
          |------+----------+----------+------+------+-----+---+---+---|
          |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 |1 &|1 &|2 &|
          |      |          |          |      |      |     | 2 | 2 | 3 |
          |------+----------+----------+------+------+-----+---+---+---|
          |100MHz|  66MHz   |   1.5x   | Open | Open |Open |1 &|1 &|1 &|
          |      |          |          |      |      |     | 2 | 2 | 2 |
          |------+----------+----------+------+------+-----+---+---+---|
          |120MHz|  60MHz   |    2x    |Closed| Open |Open |1 &|1 &|2 &|
          |      |          |          |      |      |     | 2 | 2 | 3 |
          |------+----------+----------+------+------+-----+---+---+---|
          |133MHz|  66MHz   |    2x    |Closed| Open |Open |1 &|1 &|1 &|
          |      |          |          |      |      |     | 2 | 2 | 2 |
          |------+----------+----------+------+------+-----+---+---+---|
          |150MHz|  60MHz   |   2.5x   |Closed|Closed|Open |1 &|1 &|2 &|
          |      |          |          |      |      |     | 2 | 2 | 3 |
          |------+----------+----------+------+------+-----+---+---+---|
          |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 (DUAL)                |
          |------------------------------------------------------------|
          | 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  |
          +------------------------------------------------------------+