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# IRWIN
4100C
Card Type Tape drive controller
Hard Drives supported None
Floppy drives supported None
Data Bus 8-bit ISA
Card Size Half-length, full-height
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------------+-------+---------------------+-------|
| Tape drive interface | CN1 | 34-pin tape drive | CN2 |
| - external | | interface - | |
| | | internal | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+--------+-------------|
| » | Factory configured - do not | J3/1 | Pins 2 & 3 |
| | alter | | closed |
|-----+-------------------------------+--------+-------------|
| » | Factory configured - do not | J3/2 | Pins 2 & 3 |
| | alter | | closed |
|-----+-------------------------------+--------+-------------|
| » | Factory configured - do not | J3/3 | Pins 1 & 2 |
| | alter | | closed |
|-----+-------------------------------+--------+-------------|
| » | Factory configured - do not | J3/4 | Pins 2 & 3 |
| | alter | | closed |
|------------------------------------------------------------|
| Note:Changing the above settings can result in damage |
| to the controller and tape drive. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECTION |
|------------------------------------------------------------|
| Channel | J2/7 | J2/8 | J2/9 | J2/10 | J2/11 | J2/12 |
|---------+--------+--------+--------+-------+-------+-------|
| |1 | Closed | Open | Open |Closed | Open | Open |
|---+-----+--------+--------+--------+-------+-------+-------|
|» |2 | Open | Closed | Open | Open |Closed | Open |
|---+-----+--------+--------+--------+-------+-------+-------|
| |3 | Open | Open | Closed | Open | Open |Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS SELECTION |
|------------------------------------------------------------|
| Address | J1/A | J1/B | J1/C | J1/D |
|-------------+-----------+-----------+-----------+----------|
| | 360h | Open | Open | Closed | Open |
|---+---------+-----------+-----------+-----------+----------|
| » | 370h | Open | Closed | Open | Open |
|---+---------+-----------+-----------+-----------+----------|
| | 3E0h | Open | Open | Open | Closed |
|---+---------+-----------+-----------+-----------+----------|
| | 3F0h | Closed | Open | Open | Open |
|------------------------------------------------------------|
| Note: Do not use address 3F0h. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECTION |
|------------------------------------------------------------|
| Setting | J2/1 | J2/2 | J2/3 | J2/4 | J2/5 | J2/6 |
|---------+--------+--------+--------+-------+-------+-------|
| | IRQ2 | Closed | Open | Open | Open | Open | Open |
|--+------+--------+--------+--------+-------+-------+-------|
| | IRQ3 | Open | Closed | Open | Open | Open | Open |
|--+------+--------+--------+--------+-------+-------+-------|
| | 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 |
+------------------------------------------------------------+