DIGITAL EQUIPMENT CORPORATION
=============================

   PERSONAL WORKSTATION 266I

   Device Type        Mainboard                                   
   Processor          Pentium II                                  
   Processor Speed    233/266/300/333MHz                          
   Chip Set           Intel                                       
   Video Chip Set     None                                        
   Maximum Onboard    512MB (EDO supported)                       
   Memory             
   Maximum Video      None                                        
   Memory             
   Cache              128KB (located on Pentium II CPU)           
   BIOS               Unidentified                                
   Dimensions         254mm x 218mm                               
   I/O Options (CPU)  Parallel port, PS/2 mouse port, serial      
                      ports (2), USB connectors (2)               
   I/O Options        IDE interfaces (2), floppy drive interface, 
   (backplane)        100Base-T connector, game/MIDI port, audio  
                      in - CD-ROM, fax/modem connector, 32-bit    
                      PCI slots (4)                               
   NPU Options        None                                        

<gopher://bitreich.org/I/th99/m/C-D/35179-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | Serial port       |   CN1    | USB connector 2  |   CN4    |
   |-------------------+----------+------------------+----------|
   | Serial port       |   CN2    | PS/2 mouse port  |   CN5    |
   |-------------------+----------+------------------+----------|
   | USB connector 1   |   CN3    | Parallel port    |   CN6    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |             Function             | Label |    Position     |
   |----------------------------------+-------+-----------------|
   |>> | Boot block update disabled   |  J27  |   Pins 1 & 2    |
   |   |                              |       |     closed      |
   |---+------------------------------+-------+-----------------|
   |   | Boot block update enabled    |  J27  |   Pins 2 & 3    |
   |   |                              |       |     closed      |
   |---+------------------------------+-------+-----------------|
   |>> | Password disabled            | SW1/5 |       Off       |
   |---+------------------------------+-------+-----------------|
   |   | Password enabled             | SW1/5 |       On        |
   |---+------------------------------+-------+-----------------|
   |>> | BIOS normal operation        | SW1/6 |       Off       |
   |---+------------------------------+-------+-----------------|
   |   | BIOS recovery mode           | SW1/6 |       On        |
   |---+------------------------------+-------+-----------------|
   |>> | CMOS memory normal operation | SW1/7 |       Off       |
   |---+------------------------------+-------+-----------------|
   |   | CMOS memory clear            | SW1/7 |       On        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     SIMM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  |   Bank 0    |   Bank 1   |   Bank 2   |   Bank 3   |
   |-------+-------------+------------+------------+------------|
   | 16MB  | (2) 2M x 36 |    None    |    None    |    None    |
   |-------+-------------+------------+------------+------------|
   | 32MB  | (2) 4M x 36 |    None    |    None    |    None    |
   |-------+-------------+------------+------------+------------|
   | 32MB  | (2) 2M x 36 |  (2) 2M x  |    None    |    None    |
   |       |             |     36     |            |            |
   |-------+-------------+------------+------------+------------|
   | 48MB  | (2) 4M x 36 |  (2) 2M x  |    None    |    None    |
   |       |             |     36     |            |            |
   |-------+-------------+------------+------------+------------|
   | 48MB  | (2) 2M x 36 |  (2) 2M x  |  (2) 2M x  |    None    |
   |       |             |     36     |     36     |            |
   |-------+-------------+------------+------------+------------|
   | 64MB  | (2) 2M x 36 |  (2) 2M x  |  (2) 2M x  |  (2) 2M x  |
   |       |             |     36     |     36     |     36     |
   |-------+-------------+------------+------------+------------|
   | 64MB  | (2) 8M x 36 |    None    |    None    |    None    |
   |-------+-------------+------------+------------+------------|
   | 64MB  | (2) 4M x 36 |  (2) 4M x  |    None    |    None    |
   |       |             |     36     |            |            |
   |-------+-------------+------------+------------+------------|
   | 80MB  | (2) 8M x 36 |  (2) 2M x  |    None    |    None    |
   |       |             |     36     |            |            |
   |-------+-------------+------------+------------+------------|
   | 96MB  | (2) 8M x 36 |  (2) 4M x  |    None    |    None    |
   |       |             |     36     |            |            |
   |-------+-------------+------------+------------+------------|
   | 96MB  | (2) 4M x 36 |  (2) 4M x  |  (2) 4M x  |    None    |
   |       |             |     36     |     36     |            |
   |-------+-------------+------------+------------+------------|
   | 128MB |  (2) 16M x  |    None    |    None    |    None    |
   |       |     36      |            |            |            |
   |-------+-------------+------------+------------+------------|
   | 128MB | (2) 8M x 36 |  (2) 8M x  |    None    |    None    |
   |       |             |     36     |            |            |
   |-------+-------------+------------+------------+------------|
   | 128MB | (2) 4M x 36 |  (2) 4M x  |  (2) 4M x  |  (2) 4M x  |
   |       |             |     36     |     36     |     36     |
   |-------+-------------+------------+------------+------------|
   | 144MB |  (2) 16M x  |  (2) 2M x  |    None    |    None    |
   |       |     36      |     36     |            |            |
   |-------+-------------+------------+------------+------------|
   | 160MB |  (2) 16M x  |  (2) 4M x  |    None    |    None    |
   |       |     36      |     36     |            |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 SIMM CONFIGURATION (CON'T)                 |
   |------------------------------------------------------------|
   | Size  |   Bank 0    |   Bank 1   |   Bank 2   |   Bank 3   |
   |-------+-------------+------------+------------+------------|
   | 176MB |  (2) 16M x  |  (2) 2M x  |  (2) 2M x  |  (2) 2M x  |
   |       |     36      |     36     |     36     |     36     |
   |-------+-------------+------------+------------+------------|
   | 192MB |  (2) 16M x  |  (2) 8M x  |    None    |    None    |
   |       |     36      |     36     |            |            |
   |-------+-------------+------------+------------+------------|
   | 192MB | (2) 8M x 36 |  (2) 8M x  |  (2) 8M x  |    None    |
   |       |             |     36     |     36     |            |
   |-------+-------------+------------+------------+------------|
   | 224MB |  (2) 16M x  |  (2) 4M x  |  (2) 4M x  |  (2) 4M x  |
   |       |     36      |     36     |     36     |     36     |
   |-------+-------------+------------+------------+------------|
   | 256MB |  (2) 16M x  | (2) 16M x  |    None    |    None    |
   |       |     36      |     36     |            |            |
   |-------+-------------+------------+------------+------------|
   | 256MB | (2) 8M x 36 |  (2) 8M x  |  (2) 8M x  |  (2) 8M x  |
   |       |             |     36     |     36     |     36     |
   |-------+-------------+------------+------------+------------|
   | 288MB |  (2) 16M x  | (2) 16M x  |  (2) 2M x  |  (2) 2M x  |
   |       |     36      |     36     |     36     |     36     |
   |-------+-------------+------------+------------+------------|
   | 320MB |  (2) 16M x  | (2) 16M x  |  (2) 4M x  |  (2) 4M x  |
   |       |     36      |     36     |     36     |     36     |
   |-------+-------------+------------+------------+------------|
   | 320MB |  (2) 16M x  |  (2) 8M x  |  (2) 8M x  |  (2) 8M x  |
   |       |     36      |     36     |     36     |     36     |
   |-------+-------------+------------+------------+------------|
   | 384MB |  (2) 16M x  | (2) 16M x  | (2) 16M x  |    None    |
   |       |     36      |     36     |     36     |            |
   |-------+-------------+------------+------------+------------|
   | 512MB |  (2) 16M x  | (2) 16M x  | (2) 16M x  | (2) 16M x  |
   |       |     36      |     36     |     36     |     36     |
   |------------------------------------------------------------|
   | Note: Board accepts EDO memory.                            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   | Note: 128KB cache is located on the Pentium II CPU.        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CPU SPEED SELECTION                     |
   |------------------------------------------------------------|
   |CPU speed|  Clock  |Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/8|
   |         |  speed  |          |     |     |     |     |     |
   |---------+---------+----------+-----+-----+-----+-----+-----|
   | 233MHz  |  66MHz  |   3.5x   | On  | Off | Off | On  | On  |
   |---------+---------+----------+-----+-----+-----+-----+-----|
   | 266MHz  |  66MHz  |    4x    | On  | On  | On  | Off | On  |
   |---------+---------+----------+-----+-----+-----+-----+-----|
   | 300MHz  |  66MHz  |   4.5x   | On  | Off | On  | Off | On  |
   |---------+---------+----------+-----+-----+-----+-----+-----|
   | 333MHz  |  66MHz  |    5x    | On  | On  | Off | Off | On  |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/m/C-D/35179-2.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | Main logic board  |   CN1    | Control panel    |   CN11   |
   | connectors        |          | connector        |          |
   |-------------------+----------+------------------+----------|
   | IDE interface 1   |   CN2    | Audio in -       |   CN12   |
   |                   |          | CD-ROM           |          |
   |-------------------+----------+------------------+----------|
   | IDE interface 2   |   CN3    | Fax/modem        |   CN13   |
   |                   |          | connector        |          |
   |-------------------+----------+------------------+----------|
   | Floppy drive      |   CN4    | Audio connector  |   CN14   |
   | interface         |          |                  |          |
   |-------------------+----------+------------------+----------|
   | 100Base-T         |   CN5    | Power connector  |    P1    |
   | connector         |          |                  |          |
   |-------------------+----------+------------------+----------|
   | IDE interface LED |   CN6    | 5v power         |    P2    |
   |-------------------+----------+------------------+----------|
   | 10Base-T          |   CN7    | 3.3v power       |    P3    |
   | connector         |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Chassis fan power |   CN8    | 32-bit PCI slots |  PC1 -   |
   |                   |          |                  |   PC2    |
   |-------------------+----------+------------------+----------|
   | Chassis fan power |   CN9    | 32-bit PCI slots |  SL1 &   |
   |                   |          | (full size)      |   SL2    |
   |-------------------+----------+------------------+----------|
   | Game/MIDI port    |   CN10   |                  |          |
   +------------------------------------------------------------+