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       # GENOA SYSTEMS CORPORATION
       
          P100-I/O
       
          Processor        Pentium                                       
          Processor Speed  75/90/100MHz                                  
          Chip Set         Intel                                         
          Video Chip Set   None                                          
          Maximum Onboard  192MB                                         
          Memory           
          Maximum Video    None                                          
          Memory           
          Cache            256KB                                         
          BIOS             Award                                         
          Dimensions       330mm x 218mm                                 
          I/O Options      32-bit PCI slots (4), floppy drive interface, 
                           IDE interfaces (2), parallel port, PS/2 mouse 
                           port, serial ports (2)                        
          NPU Options      None                                          
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose         | Location | Purpose            | Location |
          |-----------------+----------+--------------------+----------|
          | PS/2 mouse port |   CN3    | Floppy drive       |   CN10   |
          |                 |          | interface          |          |
          |-----------------+----------+--------------------+----------|
          | IDE interface 1 |   CN5    | Reset switch       |    J7    |
          |-----------------+----------+--------------------+----------|
          | IDE interface 2 |   CN6    | Power LED &        |   J10    |
          |                 |          | keylock            |          |
          |-----------------+----------+--------------------+----------|
          | Parallel port   |   CN7    | Speaker            |   J11    |
          |-----------------+----------+--------------------+----------|
          | Serial port 1   |   CN8    | IDE interface LED  |   JP1    |
          |-----------------+----------+--------------------+----------|
          | Serial port 2   |   CN9    | 32-bit PCI slots   |  PC1 –   |
          |                 |          |                    |   PC4    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function                | Label |  Position  |
          |---------------------------------------+-------+------------|
          | » | CMOS memory normal operation      |  J3   |    Open    |
          |---+-----------------------------------+-------+------------|
          |   | CMOS memory clear                 |  J3   |   Closed   |
          |---+-----------------------------------+-------+------------|
          | » | CPU pipeline mode enabled         |  J5   |   Closed   |
          |---+-----------------------------------+-------+------------|
          |   | CPU pipeline mode disabled        |  J5   |    Open    |
          |---+-----------------------------------+-------+------------|
          | » | Cache write select write back     |  J6   |    Open    |
          |---+-----------------------------------+-------+------------|
          |   | Cache write select write through  |  J6   |   Closed   |
          |---+-----------------------------------+-------+------------|
          | » | CPU bus frequency open            |  J12  | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | CPU bus frequency short           |  J12  | Pins 1 & 2 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | Parallel port output enabled      |  JN2  | Pins 1 & 2 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | Parallel port output disabled     |  JN2  | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | Parallel port direction select    |  JN3  | Pins 2 & 3 |
          |   | input                             |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | Parallel port direction select    |  JN3  | Pins 1 & 2 |
          |   | output                            |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | Password disabled                 |  JP3  |    Open    |
          |---+-----------------------------------+-------+------------|
          |   | Password enabled                  |  JP3  |   Closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |    Size    |    Bank 0     |    Bank 1     |    Bank 2     |
          |------------+---------------+---------------+---------------|
          |    2MB     | (2) 256K x 36 |     None      |     None      |
          |------------+---------------+---------------+---------------|
          |    4MB     | (2) 256K x 36 | (2) 256K x 36 |     None      |
          |------------+---------------+---------------+---------------|
          |    6MB     | (2) 256K x 36 | (2) 256K x 36 | (2) 256K x 36 |
          |------------+---------------+---------------+---------------|
          |    8MB     |  (2) 1M x 36  |     None      |     None      |
          |------------+---------------+---------------+---------------|
          |    10MB    |  (2) 1M x 36  | (2) 256K x 36 |     None      |
          |------------+---------------+---------------+---------------|
          |    12MB    |  (2) 1M x 36  | (2) 256K x 36 | (2) 256K x 36 |
          |------------+---------------+---------------+---------------|
          |    16MB    |  (2) 1M x 36  |  (2) 1M x 36  |     None      |
          |------------+---------------+---------------+---------------|
          |    18MB    |  (2) 1M x 36  |  (2) 1M x 36  | (2) 256K x 36 |
          |------------+---------------+---------------+---------------|
          |    24MB    |  (2) 1M x 36  |  (2) 1M x 36  |  (2) 1M x 36  |
          |------------+---------------+---------------+---------------|
          |    32MB    |  (2) 4M x 36  |     None      |     None      |
          |------------+---------------+---------------+---------------|
          |    34MB    |  (2) 4M x 36  | (2) 256K x 36 |     None      |
          |------------+---------------+---------------+---------------|
          |    36MB    |  (2) 4M x 36  | (2) 256K x 36 | (2) 256K x 36 |
          |------------+---------------+---------------+---------------|
          |    40MB    |  (2) 4M x 36  |  (2) 1M x 36  |     None      |
          |------------+---------------+---------------+---------------|
          |    42MB    |  (2) 4M x 36  |  (2) 1M x 36  | (2) 256K x 36 |
          |------------+---------------+---------------+---------------|
          |    48MB    |  (2) 4M x 36  |  (2) 1M x 36  |  (2) 1M x 36  |
          |------------+---------------+---------------+---------------|
          |    64MB    |  (2) 4M x 36  |  (2) 4M x 36  |     None      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |    Size    |    Bank 0     |    Bank 1     |    Bank 2     |
          |------------+---------------+---------------+---------------|
          |    64MB    |  (2) 8M x 36  |     None      |     None      |
          |------------+---------------+---------------+---------------|
          |    66MB    |  (2) 4M x 36  |  (2) 4M x 36  | (2) 256K x 36 |
          |------------+---------------+---------------+---------------|
          |    66MB    |  (2) 8M x 36  | (2) 256K x 36 |     None      |
          |------------+---------------+---------------+---------------|
          |    68MB    |  (2) 8M x 36  | (2) 256K x 36 | (2) 256K x 36 |
          |------------+---------------+---------------+---------------|
          |    72MB    |  (2) 4M x 36  |  (2) 4M x 36  |  (2) 1M x 36  |
          |------------+---------------+---------------+---------------|
          |    72MB    |  (2) 8M x 36  |  (2) 1M x 36  |     None      |
          |------------+---------------+---------------+---------------|
          |    74MB    |  (2) 8M x 36  |  (2) 1M x 36  | (2) 256K x 36 |
          |------------+---------------+---------------+---------------|
          |    80MB    |  (2) 8M x 36  |  (2) 1M x 36  |  (2) 1M x 36  |
          |------------+---------------+---------------+---------------|
          |    96MB    |  (2) 4M x 36  |  (2) 4M x 36  |  (2) 4M x 36  |
          |------------+---------------+---------------+---------------|
          |    96MB    |  (2) 8M x 36  |  (2) 4M x 36  |     None      |
          |------------+---------------+---------------+---------------|
          |    98MB    |  (2) 8M x 36  |  (2) 4M x 36  | (2) 256K x 36 |
          |------------+---------------+---------------+---------------|
          |   104MB    |  (2) 8M x 36  |  (2) 4M x 36  |  (2) 1M x 36  |
          |------------+---------------+---------------+---------------|
          |   128MB    |  (2) 8M x 36  |  (2) 4M x 36  |  (2) 4M x 36  |
          |------------+---------------+---------------+---------------|
          |   128MB    |  (2) 8M x 36  |  (2) 8M x 36  |     None      |
          |------------+---------------+---------------+---------------|
          |   130MB    |  (2) 8M x 36  |  (2) 8M x 36  | (2) 256K x 36 |
          |------------+---------------+---------------+---------------|
          |   136MB    |  (2) 8M x 36  |  (2) 8M x 36  |  (2) 1M x 36  |
          |------------+---------------+---------------+---------------|
          |   160MB    |  (2) 8M x 36  |  (2) 8M x 36  |  (2) 4M x 36  |
          |------------+---------------+---------------+---------------|
          |   192MB    |  (2) 8M x 36  |  (2) 8M x 36  |  (2) 8M x 36  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          | Note: Board is factory installed with 256KB cache.         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   DMA CHANNEL SELECTION                    |
          |------------------------------------------------------------|
          |     Channel      |        JN4         |        JN5         |
          |------------------+--------------------+--------------------|
          |    |      1      | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
          |----+-------------+--------------------+--------------------|
          | »  |      3      | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 BASE I/O ADDRESS SELECTION                 |
          |------------------------------------------------------------|
          |   Base address    |   Data address    |        JN1         |
          |-------------------+-------------------+--------------------|
          |     |    26EH     |       26FH        | Pins 1 & 2 closed  |
          |-----+-------------+-------------------+--------------------|
          | »   |    398H     |       399H        | Pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    PCI IRQ14 SELECTION                     |
          |------------------------------------------------------------|
          |                Setting                 |        J2         |
          |----------------------------------------+-------------------|
          | » |     No PCI IDE card installed      |       Open        |
          |---+------------------------------------+-------------------|
          |   |  PCI IDE card with TEKRAM DC-690B  | Pins 1 & 2 closed |
          |   |       or ATRONICS IDE-2015P        |                   |
          |---+------------------------------------+-------------------|
          |   |   PCI IDE card with CMD CS6400C    | Pins 2 & 3 closed |
          +------------------------------------------------------------+