(TXT) View Source
       
       # DIGITAL EQUIPMENT CORPORATION
       
          ALPHASERVER 300
       
          Device Type      Mainboard                                     
          Processor        Alpha                                         
          Processor Speed  266MHz                                        
          Chip Set         Unidentified                                  
          Maximum Onboard  512MB                                         
          Memory           
          Cache            2MB                                           
          BIOS             Unidentified                                  
          Dimensions       254mm x 218mm                                 
          I/O Options      Floppy drive interface, SCSI interfaces (2),  
                           parallel port, PS/2 mouse port, serial ports  
                           (2), riser slot                               
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose        | Location | Purpose             | Location |
          |----------------+----------+---------------------+----------|
          | Service LED    |   CN1    | Serial port         |   CN6    |
          |----------------+----------+---------------------+----------|
          | Service LED    |   CN2    | PS/2 mouse port     |   CN7    |
          |----------------+----------+---------------------+----------|
          | SCSI interface |   CN3    | SCSI interface      |   CN8    |
          |----------------+----------+---------------------+----------|
          | Parallel port  |   CN4    | Floppy drive        |   CN9    |
          |                |          | interface           |          |
          |----------------+----------+---------------------+----------|
          | Serial port    |   CN5    | Riser slot          |   SL1    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function                | Label |  Position  |
          |---------------------------------------+-------+------------|
          | » | Console select main console       |  J1   | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | Console select mini console       |  J1   | Pins 1 & 2 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | Boot up from flash BIOS           |  J2   | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | Boot up from floppy               |  J2   | Pins 1 & 2 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | Reset switch select reset         |  J3   | Pins 1 & 2 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | Reset switch select halt          |  J3   | Pins 2 & 3 |
          |   | interrupt request                 |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | Flash BIOS write protect disabled |  J4   | Pins 1 & 2 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | Flash BIOS write protect enabled  |  J4   | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          | » | Factory configured - do not alter |  J21  |    Open    |
          |---+-----------------------------------+-------+------------|
          | » | External SCSI cable sensing       |  J27  |    Open    |
          |   | enabled                           |       |            |
          |---+-----------------------------------+-------+------------|
          |   | External SCSI cable sensing       |  J27  |   Closed   |
          |   | disabled                          |       |            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     SIMM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |       16MB       |    (4) 1M x 36     |        None        |
          |------------------+--------------------+--------------------|
          |       32MB       |    (4) 1M x 36     |    (4) 1M x 36     |
          |------------------+--------------------+--------------------|
          |       32MB       |    (4) 2M x 36     |        None        |
          |------------------+--------------------+--------------------|
          |       48MB       |    (4) 2M x 36     |    (4) 1M x 36     |
          |------------------+--------------------+--------------------|
          |       64MB       |    (4) 2M x 36     |    (4) 2M x 36     |
          |------------------+--------------------+--------------------|
          |       64MB       |    (4) 4M x 36     |        None        |
          |------------------+--------------------+--------------------|
          |       80MB       |    (4) 4M x 36     |    (4) 1M x 36     |
          |------------------+--------------------+--------------------|
          |       96MB       |    (4) 4M x 36     |    (4) 2M x 36     |
          |------------------+--------------------+--------------------|
          |      128MB       |    (4) 4M x 36     |    (4) 4M x 36     |
          |------------------+--------------------+--------------------|
          |      128MB       |    (4) 8M x 36     |        None        |
          |------------------+--------------------+--------------------|
          |      160MB       |    (4) 8M x 36     |    (4) 2M x 36     |
          |------------------+--------------------+--------------------|
          |      192MB       |    (4) 8M x 36     |    (4) 4M x 36     |
          |------------------+--------------------+--------------------|
          |      256MB       |    (4) 8M x 36     |    (4) 8M x 36     |
          |------------------+--------------------+--------------------|
          |      256MB       |    (4) 16M x 36    |        None        |
          |------------------+--------------------+--------------------|
          |      272MB       |    (4) 16M x 36    |    (4) 1M x 36     |
          |------------------+--------------------+--------------------|
          |      288MB       |    (4) 16M x 36    |    (4) 2M x 36     |
          |------------------+--------------------+--------------------|
          |      320MB       |    (4) 16M x 36    |    (4) 4M x 36     |
          |------------------+--------------------+--------------------|
          |      384MB       |    (4) 16M x 36    |    (4) 8M x 36     |
          |------------------+--------------------+--------------------|
          |      512MB       |    (4) 16M x 36    |    (4) 16M x 36    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          | Note: The location of the cache is unidentified.           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CPU SPEED SELECTION                     |
          |------------------------------------------------------------|
          |      Speed       |         J7         |        J32         |
          |------------------+--------------------+--------------------|
          |      266Hz       | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     I/O CHIP SELECTION                     |
          |------------------------------------------------------------|
          |         Type         |       J25        |       J26        |
          |----------------------+------------------+------------------|
          | » |      87332       |      Closed      |      Closed      |
          |---+------------------+------------------+------------------|
          |   |      87312       |       Open       |       Open       |
          +------------------------------------------------------------+