IBM CORPORATION
===============

   PC 730/750 SERIES (TYPE 6877, 6887)

   Processor        Pentium                                       
   Processor Speed  75/90/100/120/133/150/166MHz                  
   Chip Set         Unidentified                                  
   Video Chip Set   None                                          
   Maximum Onboard  128MB                                         
   Memory           
   Maximum Video    None                                          
   Memory           
   Cache            256/512KB                                     
   BIOS             Unidentified                                  
   Dimensions       330mm x 218mm                                 
   I/O Options      Floppy drive interface, IDE interfaces (2),   
                    parallel port, PS/2 mouse port, serial ports  
                    (2), VESA pass through connector, VGA port,   
                    riser slot, cache slot, IR connector, VRM     
                    connector, DSP audio connector, external ring 
                    wake up connector, modem ring connector, LAN  
                    wake up connector, on/off switch connector,   
                    tamper connector                              
   NPU Options      None                                          

<gopher://bitreich.org/I/th99/m/I-L/33794-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | VGA port          |   CN1    | Speaker          |    J3    |
   |-------------------+----------+------------------+----------|
   | Parallel port     |   CN2    | IDE interface    |    J4    |
   |                   |          | LED              |          |
   |-------------------+----------+------------------+----------|
   | Serial port 2     |   CN3    | Power LED        |    J5    |
   |-------------------+----------+------------------+----------|
   | Serial port 1     |   CN4    | Modem ring       |    J9    |
   |                   |          | connector        |          |
   |-------------------+----------+------------------+----------|
   | PS/2 mouse port   |   CN5    | External ring    |   J13    |
   |                   |          | wake up          |          |
   |                   |          | connector        |          |
   |-------------------+----------+------------------+----------|
   | IR connector      |   CN6    | LAN wake up      |   J14    |
   |                   |          | connector        |          |
   |-------------------+----------+------------------+----------|
   | IDE interface 2   |   CN7    | On/off switch    |   J18    |
   |                   |          | connector        |          |
   |-------------------+----------+------------------+----------|
   | IDE interface 1   |   CN8    | Tamper connector |   J19    |
   |-------------------+----------+------------------+----------|
   | Floppy drive      |   CN9    | Riser slot       |   SL1    |
   | interface         |          |                  |          |
   |-------------------+----------+------------------+----------|
   | VESA pass through |   CN10   | Cache slot       |   SL2    |
   | connector         |          |                  |          |
   |-------------------+----------+------------------+----------|
   | DSP audio         |    J2    | VRM connector    |   VRM    |
   | connector         |          |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function               | Label |   Position   |
   |-------------------------------------+-------+--------------|
   |>> | Factory configured - do not     |  J1   | Unidentified |
   |   | alter                           |       |              |
   |---+---------------------------------+-------+--------------|
   |>> | Password enabled                |  J15  |  Pins 1 & 2  |
   |   |                                 |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |   | Password disabled               |  J15  |  Pins 2 & 3  |
   |   |                                 |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |>> | System administrator password   | SW1/5 |      On      |
   |   | enabled                         |       |              |
   |---+---------------------------------+-------+--------------|
   |   | System administrator password   | SW1/5 |     Off      |
   |   | disabled                        |       |              |
   |---+---------------------------------+-------+--------------|
   |>> | Floppy drive write protect      | SW1/6 |     Off      |
   |   | disabled                        |       |              |
   |---+---------------------------------+-------+--------------|
   |   | Floppy drive write protect      | SW1/6 |      On      |
   |   | enabled                         |       |              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |    Bank 0     |    Bank 1     |    Bank 2     |
   |------------+---------------+---------------+---------------|
   |    16MB    |     None      |     None      |  (1) 2M x 64  |
   |------------+---------------+---------------+---------------|
   |    16MB    |  (2) 1M x 36  |  (2) 1M x 36  |     None      |
   |------------+---------------+---------------+---------------|
   |    24MB    |     None      |  (2) 1M x 36  |  (1) 2M x 64  |
   |------------+---------------+---------------+---------------|
   |    24MB    |  (2) 1M x 36  |     None      |  (1) 2M x 64  |
   |------------+---------------+---------------+---------------|
   |    32MB    |     None      |     None      |  (1) 4M x 64  |
   |------------+---------------+---------------+---------------|
   |    32MB    |  (2) 2M x 36  |  (2) 2M x 36  |     None      |
   |------------+---------------+---------------+---------------|
   |    40MB    |  (2) 1M x 36  |  (2) 2M x 36  |  (1) 2M x 64  |
   |------------+---------------+---------------+---------------|
   |    40MB    |     None      |  (2) 1M x 36  |  (1) 4M x 64  |
   |------------+---------------+---------------+---------------|
   |    48MB    |  (2) 1M x 36  |  (2) 1M x 36  |  (1) 4M x 64  |
   |------------+---------------+---------------+---------------|
   |    64MB    |  (2) 2M x 36  |  (2) 2M x 36  |  (1) 4M x 64  |
   |------------+---------------+---------------+---------------|
   |    72MB    |  (2) 1M x 36  |  (2) 4M x 36  |  (1) 4M x 64  |
   |------------+---------------+---------------+---------------|
   |    80MB    |  (2) 2M x 36  |  (2) 4M x 36  |  (1) 4M x 64  |
   |------------+---------------+---------------+---------------|
   |    96MB    |  (2) 4M x 36  |  (2) 4M x 36  |  (1) 4M x 64  |
   |------------+---------------+---------------+---------------|
   |   128MB    |  (2) 4M x 36  |  (2) 8M x 36  |  (1) 4M x 64  |
   +------------------------------------------------------------+

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

   +------------------------------------------------------------+
   |                    CPU SPEED SELECTION                     |
   |------------------------------------------------------------|
   |CPU speed|Clock speed|Multiplier|SW1/1 |SW1/2 |SW1/3 |SW1/4 |
   |---------+-----------+----------+------+------+------+------|
   |  75MHz  |   50MHz   |   1.5x   | Off  | Off  |  On  |  On  |
   |---------+-----------+----------+------+------+------+------|
   |  90MHz  |   60MHz   |   1.5x   | Off  | Off  |  On  | Off  |
   |---------+-----------+----------+------+------+------+------|
   | 100MHz  |   66MHz   |   1.5x   | Off  | Off  | Off  |  On  |
   |---------+-----------+----------+------+------+------+------|
   | 120MHz  |   60MHz   |    2x    |  On  | Off  |  On  | Off  |
   |---------+-----------+----------+------+------+------+------|
   | 133MHz  |   66MHz   |    2x    |  On  | Off  | Off  |  On  |
   |---------+-----------+----------+------+------+------+------|
   | 150MHz  |   60MHz   |   2.5x   |  On  |  On  |  On  | Off  |
   |---------+-----------+----------+------+------+------+------|
   | 166MHz  |   66MHz   |   2.5x   |  On  |  On  | Off  |  On  |
   +------------------------------------------------------------+