(TXT) View Source
       
       # EASTERN ELECTRONICS COMPANY
       
          IDC-747
       
          +------------------------------------------------------------+
          +------------------------------------------------------------+
       
          Data bus: 16-bit, ISA
       
          Size: Full-length, full-height card
       
          Hard drives supported:  Four IDE (AT) Interface drives
       
          Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB
          drives
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |                    Function                     | Location |
          |-------------------------------------------------+----------|
          | 34-pin data cable connector-floppy drives       |   CN1    |
          |-------------------------------------------------+----------|
          | 40-pin IDE (AT) Interface connector-drives 1 &  |   CN2    |
          | 2                                               |          |
          |-------------------------------------------------+----------|
          | 40-pin IDE (AT) Interface connector-drives 3 &  |   CN3    |
          | 4                                               |          |
          |-------------------------------------------------+----------|
          | 4-pin connector-drive active LED                |   CN4    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |            Function            |   Location   |  Setting   |
          |--------------------------------+--------------+------------|
          | » | Normal I/O decoder speed   |     JP1      | pins 1 & 2 |
          |   |                            |              |   closed   |
          |---+----------------------------+--------------+------------|
          |   | Fast I/O decoder speed     |     JP1      | pins 2 & 3 |
          |   |                            |              |   closed   |
          |---+----------------------------+--------------+------------|
          | » | Hard drive port address is | JP3/jumper 4 |   closed   |
          |   | 1F0-1F7h, 3F6-3F7h         |              |            |
          |---+----------------------------+--------------+------------|
          |   | Hard drive port address is | JP3/jumper 4 |    open    |
          |   | 170-177h, 376-377h         |              |            |
          |---+----------------------------+--------------+------------|
          | » | Floppy drive enabled       | JP3/jumper 5 |   closed   |
          |---+----------------------------+--------------+------------|
          |   | Floppy drive disabled      | JP3/jumper 5 |    open    |
          |---+----------------------------+--------------+------------|
          | » | Factory configured - do    | JP3/jumper 6 |   closed   |
          |   | not alter                  |              |            |
          |---+----------------------------+--------------+------------|
          | » | Factory configured - do    | JP3/jumper 7 |    N/A     |
          |   | not alter                  |              |            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        BIOS ADDRESS                        |
          |------------------------------------------------------------|
          |    Address    | JP3/jumper 1 | JP3/jumper 2 | JP3/jumper 3 |
          |---------------+--------------+--------------+--------------|
          | » |   D800h   |     open     |    closed    |    closed    |
          |---+-----------+--------------+--------------+--------------|
          |   |   D000h   |     open     |     open     |    closed    |
          |---+-----------+--------------+--------------+--------------|
          |   |   C800h   |     open     |    closed    |     open     |
          |---+-----------+--------------+--------------+--------------|
          |   | Disabled  |     open     |     open     |     open     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     INTERRUPT REQUEST                      |
          |------------------------------------------------------------|
          |  IRQ   |JP2/jumper 1|JP2/jumper 2|JP2/jumper 3|JP2/jumper 4|
          |--------+------------+------------+------------+------------|
          | | IRQ5 |   closed   |    open    |    open    |    open    |
          |-+------+------------+------------+------------+------------|
          | |IRQ12 |    open    |   closed   |    open    |    open    |
          |-+------+------------+------------+------------+------------|
          |»|IRQ14 |    open    |    open    |   closed   |    open    |
          |-+------+------------+------------+------------+------------|
          | |IRQ15 |    open    |    open    |    open    |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               MISCELLANEOUS TECHNICAL NOTES                |
          |------------------------------------------------------------|
          |   This card's cache feature supports 256KB, 1MB, or 4MB    |
          |  SIMM's; making the maximum cache capacity 16MB. The same  |
          |  size SIMM must be installed in each socket of a bank and  |
          |     Bank 0 must be filled for proper operation of the      |
          |                        controller.                         |
          +------------------------------------------------------------+