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       # ARCO COMPUTER PRODUCTS
       
          IDE I/O
       
          Data Bus             16-bit ISA                                
          Card Size            Half-length, full-height card             
          Hard Drives          Two IDE (AT) drives                       
          supported            
          Floppy drives        Two 360KB, 720KB, 1.2MB, or 1.44MB drives 
          supported            
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |      Function      | Location |    Function     | Location |
          |--------------------+----------+-----------------+----------|
          | 40-pin IDE(AT)     |    J1    | 9-pin serial    |    P4    |
          | connector          |          | port 1 -        |          |
          |                    |          | external        |          |
          |--------------------+----------+-----------------+----------|
          | 25-pin parallel    |    P2    | 10-pin serial   |    P5    |
          | port - external    |          | port 2 -        |          |
          |                    |          | internal        |          |
          |--------------------+----------+-----------------+----------|
          | 34-pin cable       |    P3    | 2-pin connector |   LED    |
          | connector - floppy |          | - drive active  |          |
          | drive              |          | LED             |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                USER CONFIGURABLE SETTINGS                  |
          |------------------------------------------------------------|
          |              Function              | Label |   Position    |
          |------------------------------------+-------+---------------|
          | » | IDE(AT) primary address        |  JP8  | Pins 1 & 3, 4 |
          |   | enabled                        |       |  & 6 closed   |
          |---+--------------------------------+-------+---------------|
          |   | IDE(AT) interface disabled     |  JP8  | Pins 3 & 5, 4 |
          |   |                                |       |  & 6 closed   |
          |---+--------------------------------+-------+---------------|
          | » | Parallel port IRQ 7 select     |  JP9  |  Pins 1 & 2   |
          |   |                                |       |    closed     |
          |---+--------------------------------+-------+---------------|
          |   | Parallel port IRQ 5 select     |  JP9  |  Pins 3 & 4   |
          |   |                                |       |    closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 FDD I/O ADDRESS SELECTION                  |
          |------------------------------------------------------------|
          |       Setting        |  IRQ   |            JP6             |
          |----------------------+--------+----------------------------|
          |  Primary (3F0-3F7h)  |   6    |  Pins 1 & 3, 4 & 6 closed  |
          |----------------------+--------+----------------------------|
          | Secondary (370-377h) |   6    |  Pins 1 & 3, 2 & 4 closed  |
          |----------------------+--------+----------------------------|
          |       Disabled       |  None  |  Pins 3 & 5, 4 & 6 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              PARALLEL PORT ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |         Setting         |               JP7                |
          |-------------------------+----------------------------------|
          |       LPT1 (3BCh)       |     Pins 2 & 4, 3 & 5 closed     |
          |-------------------------+----------------------------------|
          |       LPT2 (378h)       |     Pins 1 & 3, 4 & 6 closed     |
          |-------------------------+----------------------------------|
          |       LPT3 (278h)       |     Pins 1 & 3, 2 & 4 closed     |
          |-------------------------+----------------------------------|
          |        Disabled         |     Pins 3 & 5, 4 & 6 closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              SERIAL PORT 1 ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |         Setting         |               JP4                |
          |-------------------------+----------------------------------|
          |       COM1 (3F8h)       |     Pins 1 & 3, 2 & 4 closed     |
          |-------------------------+----------------------------------|
          |       COM2 (2F8h)       |     Pins 1 & 3, 4 & 6 closed     |
          |-------------------------+----------------------------------|
          |       COM3 (3E8h)       |     Pins 2 & 4, 3 & 5 closed     |
          |-------------------------+----------------------------------|
          |        Disabled         |     Pins 3 & 5, 4 & 6 closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              SERIAL PORT 2 ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |         Setting         |               JP5                |
          |-------------------------+----------------------------------|
          |       COM1 (3F8h)       |     Pins 1 & 3, 4 & 6 closed     |
          |-------------------------+----------------------------------|
          |       COM2 (2F8h)       |     Pins 1 & 3, 2 & 4 closed     |
          |-------------------------+----------------------------------|
          |       COM4 (2E8h)       |     Pins 2 & 4, 3 & 5 closed     |
          |-------------------------+----------------------------------|
          |        Disabled         |     Pins 3 & 5, 4 & 6 closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 SERIAL PORT IRQ SELECTION                  |
          |------------------------------------------------------------|
          | Com Port 1  | Com Port 2  |              JP10              |
          |-------------+-------------+--------------------------------|
          |    IRQ4     |    IRQ3     |    Pins 1 & 2, 3 & 4 closed    |
          |-------------+-------------+--------------------------------|
          |    IRQ3     |    IRQ4     |    Pins 1 & 3, 2 & 4 closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               PARALLEL PORT MODE SELECTION                 |
          |------------------------------------------------------------|
          |         Setting         |               JP1                |
          |-------------------------+----------------------------------|
          |        Standard         |     Pins 3 & 5, 4 & 6 closed     |
          |-------------------------+----------------------------------|
          |           EPP           |     Pins 3 & 5, 2 & 4 closed     |
          |-------------------------+----------------------------------|
          |        ECC + EPP        |     Pins 1 & 3, 4 & 6 closed     |
          |-------------------------+----------------------------------|
          |           ECP           |     Pins 1 & 3, 2 & 4 closed     |
          +------------------------------------------------------------+