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# RELIALOGIC CORPORATION PRIVATE, LTD.
CA8972
+------------------------------------------------------------+
|------------------------------------------------------------|
| 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 |
|-------------------------------------------------+----------|
| 40-pin primary IDE(AT) interface | CN1 |
|-------------------------------------------------+----------|
| 40-pin secondary IDE(AT) interface | CN2 |
|-------------------------------------------------+----------|
| 34-pin control cable connector - floppy drive | CN3 |
|-------------------------------------------------+----------|
| 16-pin game port | CN4 |
|-------------------------------------------------+----------|
| 10-pin serial port 1 - internal & 9-pin serial | CN5 |
| port 1 - external | |
|-------------------------------------------------+----------|
| 10-pin serial port 2 - internal | CN6 |
|-------------------------------------------------+----------|
| 25-pin parallel port | CN7 |
|-------------------------------------------------+----------|
| 2-pin drive active LED for primary IDE | JP1 |
|-------------------------------------------------+----------|
| 2-pin drive active LED for secondary IDE | JP2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------------+----------+------------|
| » | Primary IDE interface enabled | JP5 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Primary IDE interface disabled | JP5 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | Secondary IDE interface | JP6 | pins 1 & 2 |
| | enabled | | closed |
|---+--------------------------------+----------+------------|
| | Secondary IDE interface | JP6 | pins 2 & 3 |
| | disabled | | closed |
|---+--------------------------------+----------+------------|
| » | Floppy drive interface enabled | JP8 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Floppy drive interface | JP8 | pins 2 & 3 |
| | disabled | | closed |
|---+--------------------------------+----------+------------|
| » | Game port enabled | JP14 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Game port disabled | JP14 | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| LPT | JP7 | JP13 |
|------------------+--------------------+--------------------|
| » | LPT2 | pins 1 & 2 closed | pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | LPT3 | pins 1 & 2 closed | pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | Disabled | pins 2 & 3 closed | n/a |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 CONFIGURATION |
|------------------------------------------------------------|
| COM | JP9 | JP10 |
|------------------+--------------------+--------------------|
| » | COM1 | pins 1 & 2 closed | pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | COM3 | pins 1 & 2 closed | pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | Disabled | pins 2 & 3 closed | n/a |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 CONFIGURATION |
|------------------------------------------------------------|
| COM | JP11 | JP12 |
|------------------+--------------------+--------------------|
| » | COM2 | pins 1 & 2 closed | pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | COM4 | pins 1 & 2 closed | pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | Disabled | pins 2 & 3 closed | n/a |
+------------------------------------------------------------+
+------------------------------------------------------------+
| HDD SPEED CONFIGURATION |
|------------------------------------------------------------|
| CPU Clock Speed | JP3 | JP4 |
|------------------+---------------------+-------------------|
| > 50MHz | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+---------------------+-------------------|
| 40/50 MHz | pins 2 & 3 closed | pins 2 & 3 closed |
|------------------+---------------------+-------------------|
| 25/33 MHz | pins 2 & 3 closed | pins 1 & 2 closed |
|------------------+---------------------+-------------------|
| <20MHz | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------------------------------------------------|
| Note: The HDD speed is configured according to the CPU |
| clock. |
+------------------------------------------------------------+