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# TYAN COMPUTER CORPORATION
VL IDE & I/O CONTROLLER
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 32-bit, VL-bus |
|-------------------+----------------------------------------|
| Size: | Three/quarter-length, full-height card |
|-------------------+----------------------------------------|
| Hard drive | Two IDE (AT) Interface drives |
| supported: | |
|-------------------+----------------------------------------|
| Floppy drives | Two 360KB, 720KB, 1.2MB, or 1.44MB |
| supported: | drives |
+------------------------------------------------------------+
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|-----------------------------------------------+------------|
| 10-pin serial port (COM1/3/4) - external | CN1 |
|-----------------------------------------------+------------|
| 25-pin parallel port (LPT1/2/3) - external | CN2 |
|-----------------------------------------------+------------|
| 40-pin IDE(AT) Interface connector | JP4 |
|-----------------------------------------------+------------|
| 34-pin control cable connector - floppy drive | JP6 |
|-----------------------------------------------+------------|
| 10-pin serial port (COM2/3/4) - internal | JP8 |
|-----------------------------------------------+------------|
| 15-pin game port - internal | JP9 |
|-----------------------------------------------+------------|
| 4-pin connector - Drive active LED | JP20 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------------+----------+------------|
| » | Floppy drive enabled | J1 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Floppy drive disabled | J1 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | Hard drive port address is | J2 | pins 2 & 3 |
| | 1F0-1F7h | | closed |
|---+--------------------------------+----------+------------|
| | Hard drive port address is | J2 | pins 1 & 2 |
| | 170-177h | | closed |
|---+--------------------------------+----------+------------|
| » | Floppy drive booting sequence | J3 | pins 2 & 3 |
| | is A:/B: | | closed |
|---+--------------------------------+----------+------------|
| | Floppy drive booting sequence | J3 | pins 1 & 2 |
| | is B:/A: | | closed |
|---+--------------------------------+----------+------------|
| » | Hard drive enabled | J4 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Hard drive disabled | J4 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | Hard drive port address is | J5 | pins 2 & 3 |
| | 1F0-1F7, 3F0-3F7h | | closed |
|---+--------------------------------+----------+------------|
| | Hard drive port address is | J5 | pins 1 & 2 |
| | 170-177, 370-377h | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------------+----------+------------|
| » | Game Port (CN6) enabled | J12 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Game Port (CN6) disabled | J12 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | Local bus clock speed 33 MHz | J16 | pins 2 & 3 |
| | or 50 MHz | | closed |
|---+--------------------------------+----------+------------|
| | Local bus clock speed 25 MHz | J16 | pins 1 & 2 |
| | or 40 MHz | | closed |
|---+--------------------------------+----------+------------|
| » | Single hard drive supported | JP5 | closed |
|---+--------------------------------+----------+------------|
| | Two hard drives supported | JP5 | open |
|---+--------------------------------+----------+------------|
| » | Parallel port is | JP7 | closed |
| | bi-directional | | |
|---+--------------------------------+----------+------------|
| | Parallel port is | JP7 | open |
| | uni-directional | | |
|---+--------------------------------+----------+------------|
| » | Hard drive Interrupt IRQ14 | JP10 | closed |
| | enabled | | |
|---+--------------------------------+----------+------------|
| | Hard drive Interrupt IRQ14 | JP10 | open |
| | disabled | | |
|---+--------------------------------+----------+------------|
| » | Serial Port 2 (JP8) Interrupt | JP11 | closed |
| | IRQ3 enabled | | |
|---+--------------------------------+----------+------------|
| | Serial Port 2 (JP8) Interrupt | JP11 | open |
| | IRQ3 disabled | | |
|---+--------------------------------+----------+------------|
| » | Serial Port 1 (CN1) Interrupt | JP12 | closed |
| | IRQ4 enabled | | |
|---+--------------------------------+----------+------------|
| | Serial Port 1 (CN1) Interrupt | JP12 | open |
| | IRQ4 disabled | | |
|---+--------------------------------+----------+------------|
| » | Floppy drive Interrupt IRQ6 | JP13 | closed |
| | enabled | | |
|---+--------------------------------+----------+------------|
| | Floppy drive Interrupt IRQ6 | JP13 | open |
| | disabled | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT (CN2) CONFIGURATION |
|------------------------------------------------------------|
| LPT | J6 | J7 |
|---------------------+-------------------+------------------|
| » | LPT1 (378-37Fh) | pins 2 & 3 closed | pins 2 & 3 |
| | | | closed |
|---+-----------------+-------------------+------------------|
| | LPT2 (278-27Fh) | pins 1 & 2 closed | pins 1 & 2 |
| | | | closed |
|---+-----------------+-------------------+------------------|
| | LPT3 (3BC-3BEh) | pins 2 & 3 closed | pins 1 & 2 |
| | | | closed |
|---+-----------------+-------------------+------------------|
| | Disabled | pins 1 & 2 closed | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 (CN1) CONFIGURATION |
|------------------------------------------------------------|
| COM | J8 | J9 |
|---------------------+-------------------+------------------|
| » | COM1 (3F8-3FFh) | pins 2 & 3 closed | pins 2 & 3 |
| | | | closed |
|---+-----------------+-------------------+------------------|
| | COM3 (3E8-3EFh) | pins 1 & 2 closed | pins 1 & 2 |
| | | | closed |
|---+-----------------+-------------------+------------------|
| | COM4 (2E8-2EFh) | pins 2 & 3 closed | pins 1 & 2 |
| | | | closed |
|---+-----------------+-------------------+------------------|
| | Disabled | pins 1 & 2 closed | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 (JP8) CONFIGURATION |
|------------------------------------------------------------|
| COM | J10 | J11 |
|---------------------+-------------------+------------------|
| » | COM2 (2F8-2FFh) | pins 2 & 3 closed | pins 2 & 3 |
| | | | closed |
|---+-----------------+-------------------+------------------|
| | COM3 (3E8-3EFh) | pins 2 & 3 closed | pins 1 & 2 |
| | | | closed |
|---+-----------------+-------------------+------------------|
| | COM4 (2E8-2EFh) | pins 1 & 2 closed | pins 1 & 2 |
| | | | closed |
|---+-----------------+-------------------+------------------|
| | Disabled | pins 1 & 2 closed | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| HARD DRIVE TIMING OPTION |
|------------------------------------------------------------|
| Function | J15 | JP17 |
|------------------------+--------------------+--------------|
| » | VESA mode enabled | pins 2 & 3 closed | open |
|---+--------------------+--------------------+--------------|
| | ISA mode enabled | pins 1 & 2 closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT (CN2) INTERRUPT REQUEST |
|------------------------------------------------------------|
| IRQ | JP14 | JP15 |
|-------------------------+-----------------+----------------|
| | 5 | closed | open |
|-----+-------------------+-----------------+----------------|
| | 7 | open | closed |
|-----+-------------------+-----------------+----------------|
| » | Disabled | open | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTES |
|------------------------------------------------------------|
| Jumpers JP16 & JP18 are not used. |
+------------------------------------------------------------+