(TXT) View Source
       
       # DIGITAL EQUIPMENT CORPORATION
       
          PRIORIS XL
       
          Device Type      Mainboard                                     
          Processor        80486DX/80486DX2/Pentium                      
          Processor Speed  25/33/50(internal)/66(internal)MHz            
          Chip Set         Unidentified                                  
          Video Chip Set   Unidentified                                  
          Maximum Onboard  128MB (80486)/512MB (Pentium)                 
          Memory           
          Maximum Video    1MB                                           
          Memory           
          Cache            128/256KB                                     
          BIOS             Unidentified                                  
          Dimensions       305mm x 244mm                                 
          I/O Options      32-bit PCI slots (3), floppy drive interface, 
                           IDE interface, SCSI interface, Wide Ultra     
                           SCSI interface, parallel port, PS/2 mouse     
                           port, serial ports (2), VGA feature           
                           connector, VGA port, CPU slot                 
          NPU Options      None                                          
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | Parallel port     |   CN1    | IDE interface    |   CN9    |
          |-------------------+----------+------------------+----------|
          | VGA port          |   CN2    | VGA feature      |   CN10   |
          |                   |          | connector        |          |
          |-------------------+----------+------------------+----------|
          | Serial port       |   CN3    | 5v auxiliary     |    P1    |
          |                   |          | power            |          |
          |-------------------+----------+------------------+----------|
          | Serial port       |   CN4    | 5v power         |    P2    |
          |-------------------+----------+------------------+----------|
          | PS/2 mouse port   |   CN5    | 3.3v power       |    P3    |
          |-------------------+----------+------------------+----------|
          | Ultra Wide SCSI   |   CN6    | 32-bit PCI slots |  PC1 –   |
          | interface         |          |                  |   PC3    |
          |-------------------+----------+------------------+----------|
          | SCSI interface    |   CN7    | CPU slot         |   SL1    |
          |-------------------+----------+------------------+----------|
          | Floppy drive      |   CN8    |                  |          |
          | interface         |          |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              | Label |   Position    |
          |------------------------------------+-------+---------------|
          | » | VGA IRQ9 disabled              |  J9   |     Open      |
          |---+--------------------------------+-------+---------------|
          |   | VGA IRQ9 enabled               |  J9   |    Closed     |
          |---+--------------------------------+-------+---------------|
          | » | On board I/O enabled           |  J17  |    Closed     |
          |---+--------------------------------+-------+---------------|
          |   | On board I/O disabled          |  J17  |     Open      |
          |---+--------------------------------+-------+---------------|
          | » | Wide SCSI disabled             |  J22  |     Open      |
          |---+--------------------------------+-------+---------------|
          |   | Wide SCSI enabled              |  J22  |    Closed     |
          |---+--------------------------------+-------+---------------|
          | » | Monitor type select color      |  J37  |    Closed     |
          |---+--------------------------------+-------+---------------|
          |   | Monitor type select monochrome |  J37  |     Open      |
          |---+--------------------------------+-------+---------------|
          | » | Password normal operation      |  J38  |     Open      |
          |---+--------------------------------+-------+---------------|
          |   | Password clear                 |  J38  |    Closed     |
          |---+--------------------------------+-------+---------------|
          | » | BIOS normal operation          |  J39  |     Open      |
          |---+--------------------------------+-------+---------------|
          |   | BIOS recovery mode             |  J39  |    Closed     |
          |---+--------------------------------+-------+---------------|
          | » | BIOS upgrade enabled           |  J41  |    Closed     |
          |---+--------------------------------+-------+---------------|
          |   | BIOS upgrade disabled          |  J41  |     Open      |
          |---+--------------------------------+-------+---------------|
          | » | Boot block enabled             |  J50  |  Pins 1 & 2   |
          |   |                                |       |    closed     |
          |---+--------------------------------+-------+---------------|
          |   | Boot block disabled            |  J50  |  Pins 2 & 3   |
          |   |                                |       |    closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     SIMM CONFIGURATION                     |
          |------------------------------------------------------------|
          |  Size  |   Bank 0    |   Bank 1    |   Bank 2    | Bank 3  |
          |--------+-------------+-------------+-------------+---------|
          |  8MB   | (2) 1M x 36 |    None     |    None     |  None   |
          |--------+-------------+-------------+-------------+---------|
          |  16MB  | (2) 2M x 36 |    None     |    None     |  None   |
          |--------+-------------+-------------+-------------+---------|
          |  16MB  | (2) 1M x 36 | (2) 1M x 36 |    None     |  None   |
          |--------+-------------+-------------+-------------+---------|
          |  24MB  | (2) 2M x 36 | (2) 1M x 36 |    None     |  None   |
          |--------+-------------+-------------+-------------+---------|
          |  24MB  | (2) 1M x 36 | (2) 1M x 36 | (2) 1M x 36 |  None   |
          |--------+-------------+-------------+-------------+---------|
          |  32MB  | (2) 4M x 36 |    None     |    None     |  None   |
          |--------+-------------+-------------+-------------+---------|
          |  32MB  | (2) 2M x 36 | (2) 2M x 36 |    None     |  None   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 SIMM CONFIGURATION (CON’T)                 |
          |------------------------------------------------------------|
          | Size  |   Bank 0    |   Bank 1   |   Bank 2   |   Bank 3   |
          |-------+-------------+------------+------------+------------|
          | 32MB  | (2) 1M x 36 |  (2) 1M x  |  (2) 1M x  |  (2) 1M x  |
          |       |             |     36     |     36     |     36     |
          |-------+-------------+------------+------------+------------|
          | 40MB  | (2) 4M x 36 |  (2) 1M 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     |            |            |
          |-------+-------------+------------+------------+------------|
          | 72MB  | (2) 8M x 36 |  (2) 1M 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     |
          |-------+-------------+------------+------------+------------|
          | 136MB |  (2) 16M x  |  (2) 1M x  |    None    |    None    |
          |       |     36      |     36     |            |            |
          |-------+-------------+------------+------------+------------|
          | 144MB |  (2) 16M x  |  (2) 2M x  |    None    |    None    |
          |       |     36      |     36     |            |            |
          |-------+-------------+------------+------------+------------|
          | 152MB |  (2) 16M x  |  (2) 1M x  |  (2) 1M x  |  (2) 1M x  |
          |       |     36      |     36     |     36     |     36     |
          |-------+-------------+------------+------------+------------|
          | 160MB |  (2) 16M x  |  (2) 4M x  |    None    |    None    |
          |       |     36      |     36     |            |            |
          |-------+-------------+------------+------------+------------|
          | 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     |
          |-------+-------------+------------+------------+------------|
          | 272MB |  (2) 16M x  | (2) 16M x  |  (2) 1M x  |  (2) 1M x  |
          |       |     36      |     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: If 80486 module is installed, it will accept up to   |
          | 128MB.                                                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 VIDEO MEMORY CONFIGURATION                 |
          |------------------------------------------------------------|
          | Note: the size of the video memory is unidentified.        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     CPU TYPE SELECTION                     |
          |------------------------------------------------------------|
          |             Type              |            J27             |
          |-------------------------------+----------------------------|
          |             Intel             |            Open            |
          |-------------------------------+----------------------------|
          |        All other types        |           Closed           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     CPU CARD SELECTION                     |
          |------------------------------------------------------------|
          |        Type        |        J24        |        J25        |
          |--------------------+-------------------+-------------------|
          |     Single CPU     | Pins 1 & 2 closed | Pins 1 & 2 closed |
          |     installed      |                   |                   |
          |--------------------+-------------------+-------------------|
          |   Multiple CPUs    | Pins 2 & 3 closed | Pins 2 & 3 closed |
          |     installed      |                   |                   |
          +------------------------------------------------------------+
       
 (IMG) IMG 2
          
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |            Size            |            Bank 0             |
          |----------------------------+-------------------------------|
          |           128KB            |          (4) 32K x 8          |
          |----------------------------+-------------------------------|
          |           256KB            |          (4) 64K x 8          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          | Size  |       J8        |       J9        |      J10       |
          |-------+-----------------+-----------------+----------------|
          | 128KB |   Pins 1 & 2    |   Pins 1 & 2    |   Pins 1 & 2   |
          |       |     closed      |     closed      |     closed     |
          |-------+-----------------+-----------------+----------------|
          | 256KB |   Pins 2 & 3    |   Pins 2 & 3    |   Pins 2 & 3   |
          |       |     closed      |     closed      |     closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CPU SPEED SELECTION                     |
          |------------------------------------------------------------|
          |           Speed            |              J12              |
          |----------------------------+-------------------------------|
          |           25MHz            |       Pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |           33MHz            |       Pins 2 & 3 closed       |
          |----------------------------+-------------------------------|
          |           50iMHz           |       Pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |           66iMHz           |       Pins 2 & 3 closed       |
          +------------------------------------------------------------+