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# RELIALOGIC CORPORATION PRIVATE, LTD.
XL505
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 32-bit, VL-Bus |
|-------------------+----------------------------------------|
| Size: | Three quarter-length, half-height card |
|-------------------+----------------------------------------|
| Hard drive | Two IDE (AT) interface drives |
| supported: | |
|-------------------+----------------------------------------|
| Floppy drives | 360KB, 720KB, 1.2MB, or 1.44MB drives |
| supported: | |
+------------------------------------------------------------+
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|-------------------------------------------------+----------|
| 25-pin parallel port | J1 |
|-------------------------------------------------+----------|
| 9-pin serial port 1 (external)/10-pin serial | J2 |
| port (internal) | |
|-------------------------------------------------+----------|
| 10-pin serial port 2 - internal | J4 |
|-------------------------------------------------+----------|
| 34-pin connector - floppy drive | J5 |
|-------------------------------------------------+----------|
| 40-pin IDE(AT) interface | J6 |
|-------------------------------------------------+----------|
| 4-pin drive active LED | J7 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------------+----------+------------|
| » | Factory configured - do no | JP4 | open |
| | alter | | |
|---+--------------------------------+----------+------------|
| » | IDE interface enabled | JP6 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | IDE interface disabled | JP6 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | Floppy drive interface enabled | JP7 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Floppy drive interface | JP7 | pins 2 & 3 |
| | disabled | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE ADDRESS SELECTION |
|------------------------------------------------------------|
| Address | JP3/1 | JP3/2 | JP3/3 |
|-------------------+-------------+-------------+------------|
| » | C800-CBFFh | closed | closed | closed |
|---+---------------+-------------+-------------+------------|
| | CC00-CFFFh | open | closed | closed |
|---+---------------+-------------+-------------+------------|
| | D000-D3FFh | closed | open | closed |
|---+---------------+-------------+-------------+------------|
| | D400-D7FFh | open | open | closed |
|---+---------------+-------------+-------------+------------|
| | D800-DBFFh | closed | closed | open |
|---+---------------+-------------+-------------+------------|
| | DC00-DFFFh | open | closed | open |
|---+---------------+-------------+-------------+------------|
| | Disabled | open | open | closed |
|---+---------------+-------------+-------------+------------|
| | Disabled | open | open | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| LPT | JP12 | JP13 |
|------------------+--------------------+--------------------|
| » | LPT2 | pins 2 & 3 closed | pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | LPT1 | pins 1 & 2 closed | pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | LPT3 | pins 1 & 2 closed | pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | Disabled | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 & 2 CONFIGURATION |
|------------------------------------------------------------|
| COM (Serial | COM (Serial | JP9 | JP10 | JP11 |
| Port 1) | Port 2) | | | |
|---------------+-----------------+--------+--------+--------|
| » | COM1 | COM2 | pins 1 | pins 1 | pins 2 |
| | | | & 2 | & 2 | & 3 |
|---+-----------+-----------------+--------+--------+--------|
| | COM2 | COM1 | pins 1 | pins 1 | pins 1 |
| | | | & 2 | & 2 | & 2 |
|---+-----------+-----------------+--------+--------+--------|
| | COM3 | COM4 | pins 2 | pins 2 | pins 1 |
| | | | & 3 | & 3 | & 2 |
|---+-----------+-----------------+--------+--------+--------|
| | COM1 | Disabled | pins 1 | pins 2 | pins 2 |
| | | | & 2 | & 3 | & 3 |
|---+-----------+-----------------+--------+--------+--------|
| | COM2 | Disabled | pins 2 | pins 1 | pins 1 |
| | | | & 3 | & 2 | & 2 |
|---+-----------+-----------------+--------+--------+--------|
| | Disabled | COM1 | pins 1 | pins 2 | pins 1 |
| | | | & 2 | & 3 | & 2 |
|---+-----------+-----------------+--------+--------+--------|
| | Disabled | COM2 | pins 2 | pins 1 | pins 2 |
| | | | & 3 | & 2 | & 3 |
|---+-----------+-----------------+--------+--------+--------|
| | Disabled | Disabled | pins 2 | pins 2 | pins 2 |
| | | | & 3 | & 3 | & 3 |
|------------------------------------------------------------|
| Note: Designated pins are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 & 2 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ (Serial | IRQ (Serial Port | JP5 | JP8 |
| Port 1) | 2) | | |
|-------------+--------------------+------------+------------|
| » | 4 | 3 | pins 1 & 2 | pins 2 & 3 |
|------+------+--------------------+------------+------------|
| | 3 | 4 | pins 2 & 3 | pins 1 & 2 |
|------------------------------------------------------------|
| Note: Designated pins are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTES |
|------------------------------------------------------------|
| IRQ 7 for the parallel port is factory configured and |
| cannot be altered. |
+------------------------------------------------------------+