SUPER MICRO
===========

   P55CMA, P55CMS (REV. 2.0)

   Processor        Pentium                                       
   Processor Speed  75/90/100/120/133/150/166MHz                  
   Chip Set         Intel                                         
   Video Chip Set   None                                          
   Maximum Onboard  128MB (EDO supported)                         
   Memory           
   Maximum Video    None                                          
   Memory           
   Cache            256/512KB                                     
   BIOS             AMI                                           
   Dimensions       330mm x 218mm                                 
   I/O Options      PS/2 mouse port, parallel port, serial ports  
                    (2), 32-bit PCI slots (4), floppy drive       
                    interface, IDE interfaces (2), cache slot,    
                    VRM connector, Legacy connector, IR connector 
   NPU Options      None                                          

<gopher://bitreich.org/I/th99/m/S-T/33602-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | VRM connector     |    J1    | External battery |   JP30   |
   |-------------------+----------+------------------+----------|
   | Chassis fan power |   J18    | Turbo LED        |   JP32   |
   |-------------------+----------+------------------+----------|
   | Power LED &       |   J32    | IR connector     |   JP68   |
   | keylock           |          |                  |          |
   |-------------------+----------+------------------+----------|
   | IDE interface LED |   J34    | Serial port 2    |   JS1    |
   |-------------------+----------+------------------+----------|
   | Reset switch      |   J35    | Serial port 1    |   JS2    |
   |-------------------+----------+------------------+----------|
   | Speaker           |   J39    | Parallel port    |   JS3    |
   |-------------------+----------+------------------+----------|
   | IDE interface 1   |   J70    | Floppy drive     |   JS4    |
   |                   |          | interface        |          |
   |-------------------+----------+------------------+----------|
   | IDE interface 2   |   J71    | 32-bit PCI slots |  PC1 -   |
   |                   |          |                  |   PC4    |
   |-------------------+----------+------------------+----------|
   | Legacy connector  |   J85    | Cache slot       |   SL1    |
   |-------------------+----------+------------------+----------|
   | PS/2 mouse port   |   J96    |                  |          |
   |------------------------------------------------------------|
   | Note: J18 may not be present on all boards.                |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function               | Label |   Position   |
   |-------------------------------------+-------+--------------|
   |>> | Factory configured - do not     |  J28  |    Closed    |
   |   | alter                           |       |              |
   |---+---------------------------------+-------+--------------|
   |>> | Factory configured - do not     |  J37  |  Pins 1 & 2  |
   |   | alter                           |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |>> | Factory configured - do not     |  J41  | Unidentified |
   |   | alter                           |       |              |
   |---+---------------------------------+-------+--------------|
   |>> | CMOS memory normal operation    |  J42  |  Pins 1 & 2  |
   |   |                                 |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |   | CMOS memory clear               |  J42  |  Pins 2 & 3  |
   |   |                                 |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |>> | Factory configured - do not     |  J43  |     Open     |
   |   | alter                           |       |              |
   |---+---------------------------------+-------+--------------|
   |>> | ISA CLCK = PCI CLCK/4           |  J67  |  Pins 2 & 3  |
   |   |                                 |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |   | ISA CLCK = PCI CLCK/3           |  J67  |  Pins 1 & 2  |
   |   |                                 |       |    closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       8MB        |    (2) 1M x 32     |        None        |
   |------------------+--------------------+--------------------|
   |       16MB       |    (2) 2M x 32     |        None        |
   |------------------+--------------------+--------------------|
   |       16MB       |    (2) 1M x 32     |    (2) 1M x 32     |
   |------------------+--------------------+--------------------|
   |       24MB       |    (2) 1M x 32     |    (2) 2M x 32     |
   |------------------+--------------------+--------------------|
   |       32MB       |    (2) 4M x 32     |        None        |
   |------------------+--------------------+--------------------|
   |       32MB       |    (2) 2M x 32     |    (2) 2M x 32     |
   |------------------+--------------------+--------------------|
   |       40MB       |    (2) 1M x 32     |    (2) 4M x 32     |
   |------------------+--------------------+--------------------|
   |       48MB       |    (2) 2M x 32     |    (2) 4M x 32     |
   |------------------+--------------------+--------------------|
   |       64MB       |    (2) 8M x 32     |        None        |
   |------------------+--------------------+--------------------|
   |       64MB       |    (2) 4M x 32     |    (2) 4M x 32     |
   |------------------+--------------------+--------------------|
   |       72MB       |    (2) 1M x 32     |    (2) 8M x 32     |
   |------------------+--------------------+--------------------|
   |       80MB       |    (2) 2M x 32     |    (2) 8M x 32     |
   |------------------+--------------------+--------------------|
   |       96MB       |    (2) 4M x 32     |    (2) 8M x 32     |
   |------------------+--------------------+--------------------|
   |      128MB       |    (2) 8M x 32     |    (2) 8M x 32     |
   |------------------------------------------------------------|
   | Note: Board accepts EDO memory.                            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |            Size            |              SL1              |
   |----------------------------+-------------------------------|
   |           256KB            |    256KB module installed     |
   |----------------------------+-------------------------------|
   |           512KB            |    512KB module installed     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CPU SPEED SELECTION                     |
   |------------------------------------------------------------|
   |   Speed    |    J27    |    J29    |    J31    |    J40    |
   |------------+-----------+-----------+-----------+-----------|
   |   75MHz    |   Open    |  Closed   |  Closed   |   Open    |
   |------------+-----------+-----------+-----------+-----------|
   |   90MHz    |   Open    |  Closed   |   Open    |   Open    |
   |------------+-----------+-----------+-----------+-----------|
   |   100MHz   |   Open    |   Open    |  Closed   |   Open    |
   |------------+-----------+-----------+-----------+-----------|
   |   120MHz   |  Closed   |  Closed   |   Open    |   Open    |
   |------------+-----------+-----------+-----------+-----------|
   |   133MHz   |  Closed   |   Open    |  Closed   |   Open    |
   |------------+-----------+-----------+-----------+-----------|
   |   150MHz   |  Closed   |   Open    |  Closed   |  Closed   |
   |------------+-----------+-----------+-----------+-----------|
   |   166MHz   |  Closed   |   Open    |  Closed   |  Closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU VOLTAGE SELECTION                    |
   |------------------------------------------------------------|
   |          Voltage           |             JP11              |
   |----------------------------+-------------------------------|
   |            3.3v            |       Pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |            3.4v            |             Open              |
   |----------------------------+-------------------------------|
   |            3.5v            |       Pins 1 & 2 closed       |
   +------------------------------------------------------------+