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# QUATECH, INC.
DCL-624
Card Type Serial controller
Chipset/Controller 8250 UART
I/O Options Serial ports (2)
Maximum DRAM N/A
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+----------+-----------------+----------|
| Serial port 1 - | CN1 | Serial port 2 - | CN2 |
| DB-9 | | DB-9 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INPUT CLOCK CONFIGURATION |
|------------------------------------------------------------|
| MHz | J1 |
|----------------------------+-------------------------------|
| » | 1.8432MHz | pins 1 & 2, 3 & 6, 4 & 5 |
|---+------------------------+-------------------------------|
| | 3.6864MHz | pins 1 & 2, 4 & 5 closed |
|---+------------------------+-------------------------------|
| | 9.216MHz | pins 2 & 3, 4 & 5 closed |
|---+------------------------+-------------------------------|
| | 18.432MHz | pins 2 & 5 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PORT 1 INTERRUPT SELECT - J2 |
|------------------------------------------------------------|
| IRQ |Jumper A|Jumper B|Jumper C|Jumper D|Jumper E|Jumper F|
|------+--------+--------+--------+--------+--------+--------|
|»|IRQ4| open | open | closed | open | open | open |
|-+----+--------+--------+--------+--------+--------+--------|
| |IRQ2| closed | open | open | open | open | open |
|-+----+--------+--------+--------+--------+--------+--------|
| |IRQ3| open | closed | open | open | open | open |
|-+----+--------+--------+--------+--------+--------+--------|
| |IRQ5| open | open | open | closed | open | open |
|-+----+--------+--------+--------+--------+--------+--------|
| |IRQ6| open | open | open | open | closed | open |
|-+----+--------+--------+--------+--------+--------+--------|
| |IRQ7| open | open | open | open | open | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PORT 2 INTERRUPT SELECT - J3 |
|------------------------------------------------------------|
| IRQ |Jumper A|Jumper B|Jumper C|Jumper D|Jumper E|Jumper F|
|------+--------+--------+--------+--------+--------+--------|
|»|IRQ3| open | closed | open | open | open | open |
|-+----+--------+--------+--------+--------+--------+--------|
| |IRQ2| closed | open | open | open | open | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECT - J3 |
|------------------------------------------------------------|
| IRQ | Jumper | Jumper | Jumper | Jumper | Jumper | Jumper |
| | A | B | C | D | E | F |
|------+--------+--------+--------+--------+--------+--------|
| IRQ4 | open | open | closed | open | open | open |
|------+--------+--------+--------+--------+--------+--------|
| IRQ5 | open | open | open | closed | open | open |
|------+--------+--------+--------+--------+--------+--------|
| IRQ6 | open | open | open | open | closed | open |
|------+--------+--------+--------+--------+--------+--------|
| IRQ7 | open | open | open | open | open | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| POWER SUPPLY SELECT |
|------------------------------------------------------------|
| Setting | J4 | J5 |
|---------------------------+----------------+---------------|
| » | Computer power supply | pins 2 & 3 | pins 2 & 3 |
| | | closed | closed |
|---+-----------------------+----------------+---------------|
| | Isolated power supply | pins 1 & 2 | pins 1 & 2 |
| | | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PORT 1 I/O ADDRESS CONFIGURATION |
|------------------------------------------------------------|
| Base Address | SW1 | SW3 |
|---------------------+-------------------+------------------|
| » | 3F8h | 1, 2, 3, 4, 5 & 6 | 6 on |
| | | on | |
|--------+------------+-------------------+------------------|
| | 3220h | 1, 2, 5, 6 & 8 on | 1, 2, 4, 5 & 6 |
| | | | on |
|------------------------------------------------------------|
| Note:The address range for the DCL-624 is from 0 to FFFFh. |
| The switches are a binary representation of the addresses. |
| When a switch is off, the corresponding bit is set to 1 |
| and has the following decimal value: SW1/1=8, SW1/2=4, |
| SW1/3=2, SW1/4=1, SW1/5=8, SW1/6=4, SW1/7=2, SW1/8=1, |
| SW3/1=8, SW3/2=4, SW3/3=2, SW3/4=1, SW3/5=8. Port 1 |
| requires 8 consecutive address locations. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PORT 2 I/O ADDRESS CONFIGURATION |
|------------------------------------------------------------|
| Base Address | SW2 | SW4 |
|---------------------+-------------------+------------------|
| » | 2F8h | 1, 3, 4, 5, 6 & 8 | 6 on |
| | | on | |
|--------+------------+-------------------+------------------|
| | 3220h | 1, 2, 5, 6 & 8 on | 1, 2, 4, 5 & 6 |
| | | | on |
|------------------------------------------------------------|
| Note:The address range for the DCL-624 is from 0 to FFFFh. |
| The switches are a binary representation of the addresses. |
| When a switch is off, the corresponding bit is set to 1 |
| and has the following decimal value: SW2/1=8, SW2/2=4, |
| SW2/3=2, SW2/4=1, SW2/5=8, SW2/6=4, SW2/7=2, SW2/8=1, |
| SW4/1=8, SW4/2=4, SW4/3=2, SW4/4=1, SW4/5=8. Port 2 |
| requires 8 consecutive address locations. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PORT 1 ENABLE/DISABLE |
|------------------------------------------------------------|
| Setting | SW3/6 |
|----------------------------------+-------------------------|
| » | Enabled | on |
|----+-----------------------------+-------------------------|
| | Disabled | off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PORT 2 ENABLE/DISABLE |
|------------------------------------------------------------|
| Setting | SW4/6 |
|----------------------------------+-------------------------|
| » | Enabled | on |
|----+-----------------------------+-------------------------|
| | Disabled | off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PORT 1 TRANSMISSION OPTIONS - SW5 |
|------------------------------------------------------------|
| Setting |SW5/1|SW5/2|SW5/3|SW5/4|SW5/5|SW5/6|SW5/7|SW5/8|
|------------+-----+-----+-----+-----+-----+-----+-----+-----|
|»| 20mA | off | off | on | on | on | off | off | off |
| | Active | | | | | | | | |
| | Transmit | | | | | | | | |
|-+----------+-----+-----+-----+-----+-----+-----+-----+-----|
| | 30mA | off | off | on | on | on | on | off | off |
| | Active | | | | | | | | |
| | Transmit | | | | | | | | |
|-+----------+-----+-----+-----+-----+-----+-----+-----+-----|
| | 60mA | off | off | on | on | on | on | on | off |
| | Active | | | | | | | | |
| | Transmit | | | | | | | | |
|-+----------+-----+-----+-----+-----+-----+-----+-----+-----|
| | Passive | on | on | off | off | off | off | off | off |
| | Transmit | | | | | | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PORT 2 TRANSMISSION OPTIONS - SW6 |
|------------------------------------------------------------|
| Setting |SW6/1|SW6/2|SW6/3|SW6/4|SW6/5|SW6/6|SW6/7|SW6/8|
|------------+-----+-----+-----+-----+-----+-----+-----+-----|
|»| 20mA | off | off | on | on | on | off | off | off |
| | Active | | | | | | | | |
| | Transmit | | | | | | | | |
|-+----------+-----+-----+-----+-----+-----+-----+-----+-----|
| | 30mA | off | off | on | on | on | on | off | off |
| | Active | | | | | | | | |
| | Transmit | | | | | | | | |
|-+----------+-----+-----+-----+-----+-----+-----+-----+-----|
| | 60mA | off | off | on | on | on | on | on | off |
| | Active | | | | | | | | |
| | Transmit | | | | | | | | |
|-+----------+-----+-----+-----+-----+-----+-----+-----+-----|
| | Passive | on | on | off | off | off | off | off | off |
| | Transmit | | | | | | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PORT 1 RECEIVE CIRCUIT CURRENT OPTIONS - SW7 |
|------------------------------------------------------------|
| Setting | SW7/1 | SW7/2 | SW7/3 |
|--------------------+-------------+------------+------------|
| » | 20mA | on | off | off |
|------+-------------+-------------+------------+------------|
| | 30mA | off | on | off |
|------+-------------+-------------+------------+------------|
| | 60mA | off | off | on |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PORT 2 RECEIVE CIRCUIT CURRENT OPTIONS - SW7 |
|------------------------------------------------------------|
| Setting | SW7/4 | SW7/5 | SW7/6 |
|--------------------+-------------+------------+------------|
| » | 20mA | on | off | off |
|------+-------------+-------------+------------+------------|
| | 30mA | off | on | off |
|------+-------------+-------------+------------+------------|
| | 60mA | off | off | on |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PORT 1 RECEIVE OPTIONS - SW8 |
|------------------------------------------------------------|
| Setting |SW8/1|SW8/2|SW8/3|SW8/4|SW8/5|SW8/6|SW8/7|SW8/8|
|------------+-----+-----+-----+-----+-----+-----+-----+-----|
|»| Passive | on | on | off | off | off | off | off | off |
| | Receive | | | | | | | | |
|-+----------+-----+-----+-----+-----+-----+-----+-----+-----|
| | 20mA | off | off | on | on | on | off | off | off |
| | Active | | | | | | | | |
| | Receive | | | | | | | | |
|-+----------+-----+-----+-----+-----+-----+-----+-----+-----|
| | 30mA | off | off | on | on | on | on | off | off |
| | Active | | | | | | | | |
| | Receive | | | | | | | | |
|-+----------+-----+-----+-----+-----+-----+-----+-----+-----|
| | 60mA | off | off | on | on | on | on | on | off |
| | Active | | | | | | | | |
| | Receive | | | | | | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PORT 2 RECEIVE OPTIONS - SW9 |
|------------------------------------------------------------|
| Setting |SW9/1|SW9/2|SW9/3|SW9/4|SW9/5|SW9/6|SW9/7|SW9/8|
|------------+-----+-----+-----+-----+-----+-----+-----+-----|
|»| Passive | on | on | off | off | off | off | off | off |
| | Receive | | | | | | | | |
|-+----------+-----+-----+-----+-----+-----+-----+-----+-----|
| | 20mA | off | off | on | on | on | off | off | off |
| | Active | | | | | | | | |
| | Receive | | | | | | | | |
|-+----------+-----+-----+-----+-----+-----+-----+-----+-----|
| | 30mA | off | off | on | on | on | on | off | off |
| | Active | | | | | | | | |
| | Receive | | | | | | | | |
|-+----------+-----+-----+-----+-----+-----+-----+-----+-----|
| | 60mA | off | off | on | on | on | on | on | off |
| | Active | | | | | | | | |
| | Receive | | | | | | | | |
+------------------------------------------------------------+