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# WYSE TECHNOLOGY, INC.
WY-994
+------------------------------------------------------------+
+------------------------------------------------------------+
Data bus: 16-bit, PC/AT
Size: Half-length, full-height card
Hard drives supported: Two IDE Interface (AT) drives
Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|-------------------------------------------------+----------|
| 25-pins parallel port (LPT1/2) external | CN1 |
|-------------------------------------------------+----------|
| 9-pin serial port 1 (COM1/3)-external | CN2 |
|-------------------------------------------------+----------|
| 9-pin serial port 2 (COM2/4) internal | CN3 |
|-------------------------------------------------+----------|
| 34-pin data cable connector-floppy drive | J1 |
|-------------------------------------------------+----------|
| 40-pin IDE Interface (AT) control cable | J5 |
| connector-hard drive | |
|-------------------------------------------------+----------|
| 4-pin connector-drive active LED | J6 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------------+----------+------------|
| » | Factory configured - do not | W1 | open |
| | alter | | |
|---+--------------------------------+----------+------------|
| » | Factory configured - do not | W2 | open |
| | alter | | |
|---+--------------------------------+----------+------------|
| » | Hard drive enabled | W3 | pins 1 & 2 |
| | | | open |
|---+--------------------------------+----------+------------|
| | Hard drive disabled | W3 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | Factory configured - do not | W3 | pins 3 & 4 |
| | alter | | open |
|---+--------------------------------+----------+------------|
| » | Floppy drive interrupt request | W4 | pins 1 & 2 |
| | is IRQ6 | | open |
|---+--------------------------------+----------+------------|
| | Floppy drive interrupt request | W4 | pins 1 & 2 |
| | is disabled | | closed |
|---+--------------------------------+----------+------------|
| » | Floppy drive port address is | W4 | pins 3 & 4 |
| | 3F0-3F7h | | closed |
|---+--------------------------------+----------+------------|
| | Floppy drive port address is | W4 | pins 3 & 4 |
| | 370-3F7h | | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| LPT | W5/1 & 2 | W5/3 & 4 | W6/3 & | W6/1 & |
| | | | 4 | 2 |
|------------------+----------+----------+---------+---------|
| » | LPT1 | open | closed | closed | open |
| | (378-37Fh) | | | | |
| | on IRQ7 | | | | |
|---+--------------+----------+----------+---------+---------|
| | LPT2 | open | open | open | closed |
| | (278-27Fh) | | | | |
| | on IRQ5 | | | | |
|---+--------------+----------+----------+---------+---------|
| | Disabled | closed | N/A | N/A | N/A |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT CONFIGURATION - W5 |
|------------------------------------------------------------|
| Port 1 | Port 2 | pins 5 | pins 7 | pins 9 | pins |
| (CN2) | (CN3) | & 6 | & 8 | & 10 | 11 &12 |
|-----------+-----------+--------+--------+---------+--------|
| COM1 | COM2 | open | closed | open | closed |
| 3F8-3FFh | 2F8-2FFh | | | | |
|-----------+-----------+--------+--------+---------+--------|
| COM1 | COM4 | open | open | closed | open |
| 3F8-3FFh | 2E8-2EFh | | | | |
|-----------+-----------+--------+--------+---------+--------|
| COM3 | COM2 | closed | open | open | closed |
| 3E8-3EFh | 2F8-2FFh | | | | |
|-----------+-----------+--------+--------+---------+--------|
| COM3 | COM4 | closed | open | closed | open |
| 3E8-3EFh | 2E8-2EFh | | | | |
|-----------+-----------+--------+--------+---------+--------|
| Disabled | Disabled | closed | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COM PORTS INTERRUPT REQUEST - W6 |
|------------------------------------------------------------|
| IRQ | pins 5 & | pins 7 & | pins 5 & | pins 6 & |
| | 6 | 8 | 7 | 8 |
|----------------+----------+----------+----------+----------|
| » | COM1 or | open | closed | open | open |
| | COM3 IRQ4 | | | | |
|---+------------+----------+----------+----------+----------|
| | COM1 or | open | open | open | closed |
| | COM3 IRQ3 | | | | |
|---+------------+----------+----------+----------+----------|
| » | COM2 or | closed | open | open | open |
| | COM4 IRQ3 | | | | |
|---+------------+----------+----------+----------+----------|
| | COM2 or | open | open | closed | open |
| | COM4 IRQ4 | | | | |
|---+------------+----------+----------+----------+----------|
| | Disabled | closed | closed | closed | closed |
+------------------------------------------------------------+