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# IRWIN
4100M
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 alter | J3 | Closed |
|----+------------------------------------+-------+----------|
| » | Factory configured - do not alter | J4 | 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 | J1/1 | J1/2 | J1/3 | J1/4 |
|-------------+-----------+-----------+-----------+----------|
| | 360h | Open | Open | Open | Closed |
|---+---------+-----------+-----------+-----------+----------|
| » | 370h | Open | Open | Closed | Open |
|---+---------+-----------+-----------+-----------+----------|
| | 3E0h | Open | Closed | Open | Open |
|---+---------+-----------+-----------+-----------+----------|
| | 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 | Open | Open | Open | Open | Open |Closed |
|--+------+--------+--------+--------+-------+-------+-------|
| | IRQ3 | Open | Open | Open | Open |Closed | Open |
|--+------+--------+--------+--------+-------+-------+-------|
| | IRQ4 | Open | Open | Open |Closed | Open | Open |
|--+------+--------+--------+--------+-------+-------+-------|
| | IRQ5 | Open | Open | Closed | Open | Open | Open |
|--+------+--------+--------+--------+-------+-------+-------|
|» | IRQ6 | Open | Closed | Open | Open | Open | Open |
|--+------+--------+--------+--------+-------+-------+-------|
| | IRQ7 | Closed | Open | Open | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTES |
|------------------------------------------------------------|
| The 4100M is used with Irwin AccuTrak series A250, A250PC |
| or A250E tape drive. The controller can also be used with |
| A120A, A120PC or A120E tape drive in certain systems. |
+------------------------------------------------------------+