(TXT) View Source
       
       # UNIDENTIFIED
       
          MP611 VL/787VL
       
          +------------------------------------------------------------+
          |------------------------------------------------------------|
          | Data bus:         | 32-bit VL-bus                          |
          |-------------------+----------------------------------------|
          | Size:             | Unidentified                           |
          |-------------------+----------------------------------------|
          | Hard drive        | Two IDE(AT) drives                     |
          | supported:        |                                        |
          |-------------------+----------------------------------------|
          | Floppy drives     | Two 360KB, 720KB, 1.2MB, or 1.44MB     |
          | supported:        | drives                                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                                                       |
          |                                                            |
          |                   DIAGRAM NOT AVAILABLE                    |
          |                                                            |
          |                                                DOC # C0889 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |                 Function                 |    Location     |
          |------------------------------------------+-----------------|
          | 40-pin IDE(AT) connector                 |  unidentified   |
          |------------------------------------------+-----------------|
          | 34-pin cable connector - floppy drive    |  unidentified   |
          |------------------------------------------+-----------------|
          | Serial port 1                            |  unidentified   |
          |------------------------------------------+-----------------|
          | Serial port 2 l                          |  unidentified   |
          |------------------------------------------+-----------------|
          | 25-pin parallel port - external          |  unidentified   |
          |------------------------------------------+-----------------|
          | Drive active LED                         |       JP4       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |             Function              |   Location   | Setting |
          |-----------------------------------+--------------+---------|
          | » | IDE(AT) interface enabled     | JP5/Pins 1 & | closed  |
          |   |                               |      2       |         |
          |---+-------------------------------+--------------+---------|
          |   | IDE(AT) interface disabled    | JP5/pins 2 & | closed  |
          |   |                               |      3       |         |
          |---+-------------------------------+--------------+---------|
          | » | Factory configured - do not   | JP6/pins 1 & | closed  |
          |   | alter                         |      2       |         |
          |---+-------------------------------+--------------+---------|
          |   | IDE ID# is bit1               | JP7/pins 1 & | closed  |
          |   |                               |      2       |         |
          |---+-------------------------------+--------------+---------|
          |   | IDE ID# is bit0               | JP8/pins 2 & | closed  |
          |   |                               |      3       |         |
          |---+-------------------------------+--------------+---------|
          | » | RDYRTN# signal source is      | JP9/pins 2 & | closed  |
          |   | LRDY#                         |      3       |         |
          |---+-------------------------------+--------------+---------|
          |   | RDYRTN# signal source is      | JP9/pins 1 & | closed  |
          |   | CPURDY#                       |      2       |         |
          |---+-------------------------------+--------------+---------|
          | » | IDE(AT) IRQ 14 enabled        |     JP10     | closed  |
          |---+-------------------------------+--------------+---------|
          |   | IDE(AT) IRQ 14 disabled       |     JP10     |  open   |
          |---+-------------------------------+--------------+---------|
          | » | Floppy drive interface        | JP17/pins 1  | closed  |
          |   | enabled                       |     & 2      |         |
          |---+-------------------------------+--------------+---------|
          |   | Floppy drive interface        | JP17/pins 2  | closed  |
          |   | disabled                      |     & 3      |         |
          |---+-------------------------------+--------------+---------|
          | » | Floppy drive address is       | JP18/pins 1  | closed  |
          |   | 370-377h                      |     & 2      |         |
          |---+-------------------------------+--------------+---------|
          |   | Floppy drive address is       | JP18/pins 2  | closed  |
          |   | 3F0-3F7h                      |     & 3      |         |
          |---+-------------------------------+--------------+---------|
          | » | Parallel port is              |     JP19     |  open   |
          |   | bi-directional                |              |         |
          |---+-------------------------------+--------------+---------|
          |   | Parallel port is              |     JP19     | closed  |
          |   | uni-directional               |              |         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              SERIAL PORT 1 ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |       COM        |        JP14        |        JP15        |
          |------------------+--------------------+--------------------|
          |   COM1 (3F8h)    | pins 1 & 2 closed  | pins 2 & 3 closed  |
          |------------------+--------------------+--------------------|
          |   COM3 (3E8h)    | pins 2 & 3 closed  | pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |   COM4 (2E8h)    | pins 1 & 2 closed  | pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |     Disabled     | pins 2 & 3 closed  | pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              SERIAL PORT 2 ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |       COM        |        JP11        |        JP16        |
          |------------------+--------------------+--------------------|
          |   COM2 (2F8h)    | pins 2 & 3 closed  | pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |   COM3 (3E8h)    | pins 1 & 2 closed  | pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |   COM4 (2E8h)    | pins 1 & 2 closed  | pins 2 & 3 closed  |
          |------------------+--------------------+--------------------|
          |     Disabled     | pins 2 & 3 closed  | pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              PARALLEL PORT ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |       LPT        |        JP12        |        JP13        |
          |------------------+--------------------+--------------------|
          |   LPT1 (378h)    | pins 2 & 3 closed  | pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |   LPT2 (278h)    | pins 1 & 2 closed  | pins 2 & 3 closed  |
          |------------------+--------------------+--------------------|
          |   LPT3 (3BCh)    | pins 1 & 2 closed  | pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |     Disabled     | pins 2 & 3 closed  | pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             SERIAL PORT 1 INTERRUPT SELECTION              |
          |------------------------------------------------------------|
          |   IRQ    | J7/Pins 1 & 9 | J7/Pins 2 & 10 | J7/Pins 3 & 11 |
          |----------+---------------+----------------+----------------|
          |    3     |     open      |     closed     |      open      |
          |----------+---------------+----------------+----------------|
          |    4     |    closed     |      open      |      open      |
          |----------+---------------+----------------+----------------|
          |    5     |     open      |      open      |     closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             SERIAL PORT 2 INTERRUPT SELECTION              |
          |------------------------------------------------------------|
          |   IRQ   | J7/Pins 4 & 12 | J7/Pins 5 & 13 | J7/Pins 6 & 14 |
          |---------+----------------+----------------+----------------|
          |    3    |     closed     |      open      |      open      |
          |---------+----------------+----------------+----------------|
          |    4    |      open      |     closed     |      open      |
          |---------+----------------+----------------+----------------|
          |    5    |      open      |      open      |     closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             PARALLEL PORT INTERRUPT SELECTION              |
          |------------------------------------------------------------|
          |       IRQ        |   J7/Pins 7 & 15   |   J7/Pins 8 & 16   |
          |------------------+--------------------+--------------------|
          |        7         |       closed       |        open        |
          |------------------+--------------------+--------------------|
          |        5         |        open        |       closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               MISCELLANEOUS TECHNICAL NOTES                |
          |------------------------------------------------------------|
          | JP1 controls wait-state bit2, JP2 controls wait-state bit  |
          |             1. Exact setting are unidentified.             |