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# EVEREX SYSTEMS, INC.
VITEX SUPER I/O CARD (EV-371)
Card Type Hard drive controller card
Hard drives supported Two IDE(AT) interface drives
Floppy drives supported Two 360KB, 720KB, 1.2MB, 1.44MB drives
Data-bus 16-bit ISA
Size Half-length, half-height card
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------------+-------+---------------------+-------|
| 40-pin IDE(AT) | JP1 | 10-pin serial port | JP11 |
| interface connector | | 2 - internal | |
|----------------------+-------+---------------------+-------|
| 34-pin control cable | JP9 | 9-pin serial port 1 | JP12 |
| connector - floppy | | - external | |
| drive | | | |
|----------------------+-------+---------------------+-------|
| 16-pin game port - | JP10 | 25-pin parallel | JP13 |
| internal | | port - external | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE CONNECTIONS |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------------+----------+------------|
| » | Printer is unidirectional | JP4 | Closed |
|---+--------------------------------+----------+------------|
| | Printer is bi-directional | JP4 | Open |
|---+--------------------------------+----------+------------|
| » | Hard drive I/O address is | JP7/1 | Pins 1 & 2 |
| | 376-377h, 170-177h | | closed |
|---+--------------------------------+----------+------------|
| | Hard drive I/O address is | JP7/1 | Pins 2 & 3 |
| | 3F6-3F7h, 1F0-1F7h | | closed |
|---+--------------------------------+----------+------------|
| » | Floppy drive order is normal | JP7/2 | Pins 2 & 3 |
| | (A:, B) | | closed |
|---+--------------------------------+----------+------------|
| | Floppy drive order is reversed | JP7/2 | Pins 1 & 2 |
| | (B:, A) | | closed |
|---+--------------------------------+----------+------------|
| » | Floppy drive I/O address is | JP7/3 | Pins 1 & 2 |
| | 3F0-3F7h | | closed |
|---+--------------------------------+----------+------------|
| | Floppy drive I/O address is | JP7/3 | Pins 2 & 3 |
| | 370-377h | | closed |
|---+--------------------------------+----------+------------|
| » | Hard drive interface enabled | JP7/4 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Hard drive interface disabled | JP7/4 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | Floppy drive interface enabled | JP7/5 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Floppy drive interface | JP7/5 | Pins 1 & 2 |
| | disabled | | closed |
|---+--------------------------------+----------+------------|
| » | IDE(AT) interface enabled | JP7/6 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | IDE(XT) interface enabled | JP7/6 | Pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | JP6/1 | JP6/2 |
|------------------+--------------------+--------------------|
| » | COM1 (3F8h) | Pins 2 & 3 closed | Pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | COM3 (3E8h) | Pins 1 & 2 closed | Pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | COM4 (2E8h) | Pins 2 & 3 closed | Pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | Disabled | Pins 1 & 2 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | JP6/3 | JP6/4 |
|------------------+--------------------+--------------------|
| COM2 (2F8h) | Pins 2 & 3 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| COM3 (3E8h) | Pins 2 & 3 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| COM4 (2E8h) | Pins 1 & 2 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| Disabled | Pins 1 & 2 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | JP6/5 | JP6/6 |
|------------------+--------------------+--------------------|
| LPT1 (378h) | Pins 2 & 3 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| LPT2 (278h) | Pins 1 & 2 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| LPT3 (3BCh) | Pins 2 & 3 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| Disabled | Pins 1 & 2 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | JP8/1 | JP8/2 | JP8/3 |
|----------------+--------------+--------------+-------------|
| | IRQ3 | Open | Closed | Open |
|---+------------+--------------+--------------+-------------|
| » | IRQ4 | Closed | Open | Open |
|---+------------+--------------+--------------+-------------|
| | IRQ5 | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | JP8/4 | JP8/5 | JP8/6 |
|----------------+--------------+--------------+-------------|
| » | IRQ3 | Closed | Open | Open |
|---+------------+--------------+--------------+-------------|
| | IRQ4 | Open | Closed | Open |
|---+------------+--------------+--------------+-------------|
| | IRQ5 | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | JP8/7 | JP8/8 |
|-----------------------+------------------+-----------------|
| | IRQ5 | Open | Closed |
|-----+-----------------+------------------+-----------------|
| » | IRQ7 | Closed | Open |
+------------------------------------------------------------+