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# RELIALOGIC CORPORATION PRIVATE, LTD.
XIRLINK, INC.
XL-525/XL-521
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 32-bit, VL-bus |
|-------------------+----------------------------------------|
| Size: | Three/quarter-length, full-height card |
|-------------------+----------------------------------------|
| Hard drive | Up to seven SCSI devices |
| supported: | |
|-------------------+----------------------------------------|
| Floppy drives | Two 360KB, 720KB, 1.2MB or 1.44MB |
| supported: | drives |
+------------------------------------------------------------+
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|-------------------------------------------------+----------|
| 50-pin SCSI connector - internal | J1 |
|-------------------------------------------------+----------|
| 34-pin control cabled connector - floppy drive | J2 |
| 1 | |
|-------------------------------------------------+----------|
| 34-pin control cabled connector - floppy drive | J3 |
| 0 | |
|-------------------------------------------------+----------|
| 10-pin serial port 1 | J4 |
|-------------------------------------------------+----------|
| 10-pin serial port 2 | J5 |
|-------------------------------------------------+----------|
| 26-pin parallel port connector | J6 |
|-------------------------------------------------+----------|
| Game port | J7 |
|-------------------------------------------------+----------|
| 4-pin connector - drive active LED | JP19 |
|-------------------------------------------------+----------|
| 50-pin SCSI connector - external | P1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------------+----------+------------|
| | Active termination enabled | JP2 | Open |
|---+--------------------------------+----------+------------|
| | Active termination disabled | JP2 | Closed |
|---+--------------------------------+----------+------------|
| » | Floppy drive enabled | JP6 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Floppy drive disabled | JP6 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | Game port enabled | JP13 | Closed |
|---+--------------------------------+----------+------------|
| | Game port disabled | JP13 | Open |
|---+--------------------------------+----------+------------|
| » | Parallel port IRQ7 selected | JP14 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Parallel port IRQ5 selected | JP14 | Pins 1 & 2 |
| | | | closed |
|------------------------------------------------------------|
| Note:The location of JP2 is not specified in |
| manufacturer’s documentation. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MEMORY AND I/O ADDRESS - JP3 |
|------------------------------------------------------------|
| Memory | I/O Address | Jumper A | Jumper B | Jumper C |
| Address | | | | |
|-------------+-------------+----------+----------+----------|
| Disabled | 140h | Closed | Closed | Closed |
|-------------+-------------+----------+----------+----------|
| Disabled | 150h | Open | Closed | Closed |
|-------------+-------------+----------+----------+----------|
| C800h | 160h | Closed | Open | Closed |
|-------------+-------------+----------+----------+----------|
| CC00h | 170h | Open | Open | Closed |
|-------------+-------------+----------+----------+----------|
| D000h | 140h | Closed | Closed | Open |
|-------------+-------------+----------+----------+----------|
| D400h | 150h | Open | Closed | Open |
|-------------+-------------+----------+----------+----------|
| D800h | 160h | Open | Open | Closed |
|-------------+-------------+----------+----------+----------|
| DC00h | 170h | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECT - JP5 |
|------------------------------------------------------------|
| IRQ | Jumper | Jumper | Jumper | Jumper | Jumper |
| | A | B | C | D | E |
|-----------+---------+---------+---------+---------+--------|
| » | IRQ11 | Open | Open | Open | Closed | Open |
|---+-------+---------+---------+---------+---------+--------|
| | IRQ10 | Open | Open | Open | Open | Closed |
|---+-------+---------+---------+---------+---------+--------|
| | IRQ12 | Open | Open | Closed | Open | Open |
|---+-------+---------+---------+---------+---------+--------|
| | IRQ14 | Closed | Open | Open | Open | Open |
|---+-------+---------+---------+---------+---------+--------|
| | IRQ15 | Open | Closed | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 CONFIGURATION - JP16 |
|------------------------------------------------------------|
| COM/Address | Jumper A | Jumper B |
|------------------+--------------------+--------------------|
| » | COM1/3F8h | Pins 1 & 2 closed | Pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | COM2/2F8h | Pins 1 & 2 closed | Pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | COM3/338h | Pins 2 & 3 closed | Pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | Disabled | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 CONFIGURATION - JP17 |
|------------------------------------------------------------|
| COM/Address | Jumper A | Jumper B |
|------------------+--------------------+--------------------|
| » | COM2/2F8h | Pins 1 & 2 closed | Pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | COM1/3F8h | Pins 1 & 2 closed | Pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | COM4/238h | Pins 2 & 3 closed | Pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | Disabled | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORTS 1 & 2 INTERRUPT SELECT |
|------------------------------------------------------------|
| Port 1 | Port 2 | JP15 |
|-----------------+--------------+---------------------------|
| » | IRQ4 | IRQ3 | Pins 1 & 2, 3 & 4 closed |
|---+-------------+--------------+---------------------------|
| | IRQ3 | IRQ4 | Pins 1 & 3, 2 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION - JP18 |
|------------------------------------------------------------|
| Address | Jumper A | Jumper B |
|------------------+--------------------+--------------------|
| 278h | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 378h | Pins 1 & 2 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 3BCh | Pins 2 & 3 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| Disabled | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+