(TXT) View Source
       
       # DIAMOND FLOWER, INC.
       
          MIO-550 (REV.C/D)
       
          Card Type            Hard drive controller                     
          Hard Drives          Two IDE (AT) drives                       
          supported            
          Floppy drives        Two 360KB, 720KB, 1.2MB, or 1.44MB drives 
          supported            
          Data Bus             16-bit ISA                                
          Card Size            Half-length, full-height                  
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |     Function      | Location |     Function     | Location |
          |-------------------+----------+------------------+----------|
          | 2-pin connector - |    J1    | 40-pin IDE(AT)   |    J5    |
          | drive active LED  |          | connector        |          |
          |-------------------+----------+------------------+----------|
          | 34-pin cable      |    J2    | 9-pin serial     |    J6    |
          | connector -       |          | port 1 -         |          |
          | floppy drive      |          | external         |          |
          |-------------------+----------+------------------+----------|
          | 16-pin game port  |    J3    | 25-pin parallel  |    J8    |
          |                   |          | port - external  |          |
          |-------------------+----------+------------------+----------|
          | 10-pin serial     |    J4    |                  |          |
          | port 2 - internal |          |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              |  Label   |  Position  |
          |------------------------------------+----------+------------|
          | » | Serial port 1 DMA enabled      | JP1/pins |   Closed   |
          |   |                                |  1 & 3   |            |
          |---+--------------------------------+----------+------------|
          |   | Serial port 1 DMA disabled     | JP1/pins |    Open    |
          |   |                                |  1 & 3   |            |
          |---+--------------------------------+----------+------------|
          | » | Serial port 2 DMA enabled      | JP1/pins |   Closed   |
          |   |                                |  2 & 4   |            |
          |---+--------------------------------+----------+------------|
          |   | Serial port 2 DMA disabled     | JP1/pins |    Open    |
          |   |                                |  2 & 4   |            |
          |---+--------------------------------+----------+------------|
          | » | 1.8432MHz input clock of UART  |   JP2    | Pins 2 & 3 |
          |   | enabled                        |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | 7.3728MHz input clock of UART  |   JP2    | Pins 1 & 2 |
          |   | enabled                        |          |   closed   |
          |---+--------------------------------+----------+------------|
          | » | Game port enabled              |  JP3/11  |   Closed   |
          |---+--------------------------------+----------+------------|
          |   | Game port disabled             |  JP3/11  |    Open    |
          |---+--------------------------------+----------+------------|
          | » | Floppy drive interface enabled |  JP3/12  |   Closed   |
          |---+--------------------------------+----------+------------|
          |   | Floppy drive interface         |  JP3/12  |    Open    |
          |   | disabled                       |          |            |
          |---+--------------------------------+----------+------------|
          | » | IDE(AT) interface enabled      |  JP3/13  |   Closed   |
          |---+--------------------------------+----------+------------|
          |   | IDE(AT) interface disabled     |  JP3/13  |    Open    |
          |---+--------------------------------+----------+------------|
          | » | Parallel port is               |   JP6    |   Closed   |
          |   | uni-directional                |          |            |
          |---+--------------------------------+----------+------------|
          |   | Parallel port is               |   JP6    |    Open    |
          |   | bi-directional                 |          |            |
          |------------------------------------------------------------|
          |      Note:When the 1.8432MHz is selected, the MIO-550      |
          |      supports up to 56K bps. When the 7.3728MHz clock is   |
          |      selected, the MIO-550 supports up to 448K bps.        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            SERIAL PORT 1 DMA CHANNEL SELECTION             |
          |------------------------------------------------------------|
          |    Channel     | JP5/pins | JP5/pins | JP5/pins | JP5/pins |
          |                |  1 & 2   |  3 & 4   |  5 & 6   |  7 & 8   |
          |----------------+----------+----------+----------+----------|
          | » | 1          |   Open   |  Closed  |   Open   |  Closed  |
          |   | (receive)  |          |          |          |          |
          |---+------------+----------+----------+----------+----------|
          |   |     1      | Pins 1 & |   Open   |  Closed  |          |
          |   | (transmit) | 3 closed |          |          |          |
          |---+------------+----------+----------+----------|          |
          |   |     3      | Pins 2 & |  Closed  |   Open   |          |
          |   | (receive)  | 4 closed |          |          |          |
          |---+------------+----------+----------+----------+----------|
          |   |     3      |  Closed  |   Open   |  Closed  |   Open   |
          |   | (transmit) |          |          |          |          |
          |------------------------------------------------------------|
          |      Note:When selecting DMA, make sure JP1/pins 1 & 3 are |
          |      closed.                                               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            SERIAL PORT 2 DMA CHANNEL SELECTION             |
          |------------------------------------------------------------|
          |    Channel     | JP5/pins | JP5/pins | JP5/pins | JP5/pins |
          |                |  9 & 10  | 11 & 12  | 13 & 14  | 15 & 16  |
          |----------------+----------+----------+----------+----------|
          |   |     1      |   Open   |  Closed  |   Open   |  Closed  |
          |   | (receive)  |          |          |          |          |
          |---+------------+----------+----------+----------+----------|
          |   |     1      | Pins 9 & |   Open   |  Closed  |          |
          |   | (transmit) |    11    |          |          |          |
          |   |            |  closed  |          |          |          |
          |---+------------+----------+----------+----------|          |
          | » |     3      | Pins 10  |  Closed  |   Open   |          |
          |   | (receive)  |   & 12   |          |          |          |
          |   |            |  closed  |          |          |          |
          |---+------------+----------+----------+----------+----------|
          |   |     3      |  Closed  |   Open   |  Closed  |   Open   |
          |   | (transmit) |          |          |          |          |
          |------------------------------------------------------------|
          |      Note:When selecting DMA, make sure JP1/pins 2 & 4 are |
          |      closed.                                               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              PARALLEL PORT ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |        Setting         |      JP3/9      |     JP3/10      |
          |------------------------+-----------------+-----------------|
          | » | LPT1 (378h)        |      Open       |     Closed      |
          |---+--------------------+-----------------+-----------------|
          |   |    LPT2 (278h)     |     Closed      |      Open       |
          |---+--------------------+-----------------+-----------------|
          |   |      Disabled      |      Open       |      Open       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              SERIAL PORT 1 ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |     Setting     |  JP3/1   |  JP3/2   |  JP3/3   |  JP3/4  |
          |-----------------+----------+----------+----------+---------|
          | » | COM1 (3F8h) |   Open   |   Open   |   Open   | Closed  |
          |---+-------------+----------+----------+----------+---------|
          |   | COM2 (2F8h) |   Open   |  Closed  |   Open   |  Open   |
          |---+-------------+----------+----------+----------+---------|
          |   | COM3 (3E8h) |   Open   |   Open   |  Closed  |  Open   |
          |---+-------------+----------+----------+----------+---------|
          |   | COM4 (2E8h) |  Closed  |   Open   |   Open   |  Open   |
          |---+-------------+----------+----------+----------+---------|
          |   |  Disabled   |   Open   |   Open   |   Open   |  Open   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              SERIAL PORT 2 ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |     Setting     |  JP3/5   |  JP3/6   |  JP3/7   |  JP3/8  |
          |-----------------+----------+----------+----------+---------|
          |   | COM1 (3F8h) |   Open   |   Open   |   Open   | Closed  |
          |---+-------------+----------+----------+----------+---------|
          | » | COM2 (2F8h) |   Open   |  Closed  |   Open   |  Open   |
          |---+-------------+----------+----------+----------+---------|
          |   | COM3 (3E8h) |   Open   |   Open   |  Closed  |  Open   |
          |---+-------------+----------+----------+----------+---------|
          |   | COM4 (2E8h) |  Closed  |   Open   |   Open   |  Open   |
          |---+-------------+----------+----------+----------+---------|
          |   |  Disabled   |   Open   |   Open   |   Open   |  Open   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             SERIAL PORT 1 INTERRUPT SELECTION              |
          |------------------------------------------------------------|
          |     IRQ     |   JP4/1   |   JP4/2   |   JP4/3   |  JP4/4   |
          |-------------+-----------+-----------+-----------+----------|
          |   |  IRQ2   |  Closed   |   Open    |   Open    |   Open   |
          |---+---------+-----------+-----------+-----------+----------|
          |   |  IRQ3   |   Open    |   Open    |   Open    |  Closed  |
          |---+---------+-----------+-----------+-----------+----------|
          | » |  IRQ4   |   Open    |   Open    |  Closed   |   Open   |
          |---+---------+-----------+-----------+-----------+----------|
          |   |  IRQ5   |   Open    |  Closed   |   Open    |   Open   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             SERIAL PORT 2 INTERRUPT SELECTION              |
          |------------------------------------------------------------|
          |     IRQ     |   JP4/5   |   JP4/6   |   JP4/7   |  JP4/8   |
          |-------------+-----------+-----------+-----------+----------|
          |   |  IRQ2   |  Closed   |   Open    |   Open    |   Open   |
          |---+---------+-----------+-----------+-----------+----------|
          | » |  IRQ3   |   Open    |   Open    |   Open    |  Closed  |
          |---+---------+-----------+-----------+-----------+----------|
          |   |  IRQ4   |   Open    |   Open    |  Closed   |   Open   |
          |---+---------+-----------+-----------+-----------+----------|
          |   |  IRQ5   |   Open    |  Closed   |   Open    |   Open   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             PARALLEL PORT INTERRUPT SELECTION              |
          |------------------------------------------------------------|
          |          IRQ          |      JP4/9       |     JP4/10      |
          |-----------------------+------------------+-----------------|
          |     |      IRQ5       |      Closed      |      Open       |
          |-----+-----------------+------------------+-----------------|
          | »   | IRQ7            |       Open       |     Closed      |
          +------------------------------------------------------------+