(TXT) View Source
       
       # IBM CORPORATION
       
          PC SERVER 300 (TYPE 8640) OPO, 1P0, OPT, 1PT
       
          Processor        Pentium                                       
          Processor Speed  60MHz                                         
          Chip Set         Unidentified                                  
          Video Chip Set   None                                          
          Maximum Onboard  192MB                                         
          Memory           
          Maximum Video    None                                          
          Memory           
          Cache            256/512KB                                     
          BIOS             Unidentified                                  
          Dimensions       355mm x 304mm                                 
          I/O Options      32-bit PCI slots (3), floppy drive interface, 
                           IDE interface, parallel port, PS/2 mouse      
                           port, serial ports (2)                        
          NPU Options      None                                          
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | Speaker           |   J11    | IDE interface    |   J22    |
          |-------------------+----------+------------------+----------|
          | PS/2 mouse port   |   J15    | Auxiliary power  |    P3    |
          |-------------------+----------+------------------+----------|
          | Parallel port     |   J18    | Power LED        |    W9    |
          |-------------------+----------+------------------+----------|
          | Floppy drive      |   J19    | IDE interface    |   W10    |
          | interface         |          | LED              |          |
          |-------------------+----------+------------------+----------|
          | Serial port 1     |   J20    | 32-bit PCI slots |  PC1 –   |
          |                   |          |                  |   PC3    |
          |-------------------+----------+------------------+----------|
          | Serial port 2     |   J21    |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function                | Label |  Position  |
          |---------------------------------------+-------+------------|
          | » | Parity check enabled              |  J1   |   Closed   |
          |---+-----------------------------------+-------+------------|
          |   | Parity check disabled             |  J1   |    Open    |
          |---+-----------------------------------+-------+------------|
          | » | Cache type select write back      |  J2   |    Open    |
          |---+-----------------------------------+-------+------------|
          |   | Cache type select write through   |  J2   |   Closed   |
          |---+-----------------------------------+-------+------------|
          | » | Oscillator for U15                |  J6   | Pins 1 & 2 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | Clock synthesizer                 |  J6   | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | BIOS normal operation             |  W2   | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | BIOS recovery mode                |  W2   | Pins 1 & 2 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | PS/2 mouse enabled                |  W6   |   Closed   |
          |---+-----------------------------------+-------+------------|
          |   | PS/2 mouse disabled               |  W6   |    Open    |
          |---+-----------------------------------+-------+------------|
          | » | Factory configured - do not alter |  W20  | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     SIMM CONFIGURATION                     |
          |------------------------------------------------------------|
          |    Size    |    Bank 0     |    Bank 1     |    Bank 2     |
          |------------+---------------+---------------+---------------|
          |    8MB     |  (2) 1M x 36  |     None      |     None      |
          |------------+---------------+---------------+---------------|
          |    16MB    |  (2) 1M x 36  |  (2) 1M x 36  |     None      |
          |------------+---------------+---------------+---------------|
          |    16MB    |  (2) 2M x 36  |     None      |     None      |
          |------------+---------------+---------------+---------------|
          |    24MB    |  (2) 1M x 36  |  (2) 1M x 36  |  (2) 1M x 36  |
          |------------+---------------+---------------+---------------|
          |    32MB    |  (2) 2M x 36  |  (2) 2M x 36  |     None      |
          |------------+---------------+---------------+---------------|
          |    32MB    |  (2) 4M x 36  |     None      |     None      |
          |------------+---------------+---------------+---------------|
          |    48MB    |  (2) 2M x 36  |  (2) 2M x 36  |  (2) 2M x 36  |
          |------------+---------------+---------------+---------------|
          |    64MB    |  (2) 4M x 36  |  (2) 4M x 36  |     None      |
          |------------+---------------+---------------+---------------|
          |    64MB    |  (2) 8M x 36  |     None      |     None      |
          |------------+---------------+---------------+---------------|
          |    96MB    |  (2) 4M x 36  |  (2) 4M x 36  |  (2) 4M x 36  |
          |------------+---------------+---------------+---------------|
          |   128MB    |  (2) 8M x 36  |  (2) 8M x 36  |     None      |
          |------------+---------------+---------------+---------------|
          |   128MB    | (2) 16M x 36  |     None      |     None      |
          |------------+---------------+---------------+---------------|
          |   192MB    |  (2) 8M x 36  |  (2) 8M x 36  |  (2) 8M x 36  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          | Note: The location of the cache is unidentified.           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          | Size  |       J3        |       J4        |      J35       |
          |-------+-----------------+-----------------+----------------|
          | None  |   Pins 1 & 2    |   Pins 1 & 2    |      Open      |
          |       |     closed      |     closed      |                |
          |-------+-----------------+-----------------+----------------|
          | 256KB |   Pins 2 & 3    |   Pins 1 & 2    |   Pins 1 & 2   |
          |       |     closed      |     closed      |     closed     |
          |-------+-----------------+-----------------+----------------|
          | 512KB |   Pins 2 & 3    |   Pins 2 & 3    |   Pins 2 & 3   |
          |       |     closed      |     closed      |     closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CPU CLOCK SPEED SELECTION                  |
          |------------------------------------------------------------|
          |            Speed             |             J5              |
          |------------------------------+-----------------------------|
          |            50MHz             |           Closed            |
          |------------------------------+-----------------------------|
          |            66MHz             |            Open             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU VOLTAGE SELECTION                    |
          |------------------------------------------------------------|
          | Voltage |        J40         |     J41      |     J42      |
          |---------+--------------------+--------------+--------------|
          |   5v    |       Closed       |     N/A      |     N/A      |
          |---------+--------------------+--------------+--------------|
          |  5.3v   |    Power module    | Power module | Power module |
          |         |     installed      |  installed   |  installed   |
          |------------------------------------------------------------|
          | Note: All pins on J40 must be closed.                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   DMA CHANNEL SELECTION                    |
          |------------------------------------------------------------|
          |     Channel      |        W14         |        W16         |
          |------------------+--------------------+--------------------|
          |        6         | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |        7         | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
          +------------------------------------------------------------+