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# TYAN COMPUTER CORPORATION
S1345 (REV. 1.3)
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 32-bit, VL-bus |
|-------------------+----------------------------------------|
| Size: | Three/quarter-length, half-height card |
|-------------------+----------------------------------------|
| Hard drive | Four IDE (AT) interface drives |
| supported: | |
|-------------------+----------------------------------------|
| Floppy drives | Two 360KB, 720KB, 1.2MB, or 1.44MB |
| supported: | drives |
+------------------------------------------------------------+
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|-------------------------------------------------+----------|
| 34-pin control cable connector - floppy drive | CN1 |
|-------------------------------------------------+----------|
| 25-pin parallel port | CN2 |
|-------------------------------------------------+----------|
| 40-pin IDE (AT) Interface connector - primary | CN3 |
|-------------------------------------------------+----------|
| 4-pin connector - primary drive active LED | CN4 |
|-------------------------------------------------+----------|
| 10-pin serial port 2 | CN5 |
|-------------------------------------------------+----------|
| 10-pin serial port 1 | CN6 |
|-------------------------------------------------+----------|
| 40-pin IDE (AT) Interface connector - secondary | CN7 |
|-------------------------------------------------+----------|
| 4-pin connector - secondary drive active LED | CN8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|-----------------------------+----------+-------------------|
| » | Hard drive enabled | J1 | pins 2 & 3 closed |
|---+-------------------------+----------+-------------------|
| | Hard drive disabled | J1 | Pins 1 & 2 closed |
|---+-------------------------+----------+-------------------|
| » | I/O Channel Ready | J5 | Open |
| | signal not used | | |
|---+-------------------------+----------+-------------------|
| | I/O Channel Ready | J5 | Closed |
| | signal used | | |
|---+-------------------------+----------+-------------------|
| » | VL Ready signal used | J6 | Pins 2 & 3 closed |
|---+-------------------------+----------+-------------------|
| | CPU Ready signal used | J6 | Pins 1 & 2 closed |
|---+-------------------------+----------+-------------------|
| » | Floppy drives A: & B: | J7 | Pins 2 & 3 closed |
| | normal order | | |
|---+-------------------------+----------+-------------------|
| | Floppy drives A: & B: | J7 | Pins 1 & 2 closed |
| | reverse order | | |
|---+-------------------------+----------+-------------------|
| » | Floppy drive enabled | J8 | Pins 2 & 3 closed |
|---+-------------------------+----------+-------------------|
| | Floppy drive disabled | J8 | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|-----------------------------+----------+-------------------|
| » | Floppy drive primary | J9 | Pins 2 & 3 closed |
| | address (3F0h) selected | | |
|---+-------------------------+----------+-------------------|
| | Floppy drive secondary | J9 | Pins 1 & 2 closed |
| | address (370h) selected | | |
|---+-------------------------+----------+-------------------|
| » | Primary IDE port uses | J17 | Closed |
| | IRQ14 | | |
|---+-------------------------+----------+-------------------|
| | Primary IDE port | J17 | Open |
| | interrupt disabled | | |
|---+-------------------------+----------+-------------------|
| » | Serial port 2 uses IRQ3 | J18 | Closed |
|---+-------------------------+----------+-------------------|
| | Serial port 2 interrupt | J18 | Open |
| | disabled | | |
|---+-------------------------+----------+-------------------|
| » | Serial port 1 uses IRQ4 | J19 | Closed |
|---+-------------------------+----------+-------------------|
| | Serial port 1 interrupt | J19 | Open |
| | disabled | | |
|---+-------------------------+----------+-------------------|
| » | Floppy drive uses IRQ6 | J21 | Closed |
|---+-------------------------+----------+-------------------|
| | Floppy drive interrupt | J21 | Open |
| | disabled | | |
|---+-------------------------+----------+-------------------|
| » | Game port enabled | J23 | Closed |
|---+-------------------------+----------+-------------------|
| | Game port disabled | J23 | Open |
|---+-------------------------+----------+-------------------|
| » | Factory configured - do | J24 | N/A |
| | not alter | | |
|---+-------------------------+----------+-------------------|
| » | Factory configured - do | J25 | N/A |
| | not alter | | |
|---+-------------------------+----------+-------------------|
| » | Factory configured - do | J26 | N/A |
| | not alter | | |
|---+-------------------------+----------+-------------------|
| » | Secondary IDE port uses | J27 | Closed |
| | IRQ15 | | |
|---+-------------------------+----------+-------------------|
| | Secondary IDE port | J27 | Open |
| | interrupt disabled | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PRIMARY IDE WAIT STATE |
|------------------------------------------------------------|
| Setting | J2 | J3 | J4 |
|---------------------+------------+------------+------------|
| » | Standard | Pins 2 & 3 | pins 2 & 3 | Pins 2 & 3 |
| | | closed | closed | closed |
|---+-----------------+------------+------------+------------|
| | VL bus speed £ | Pins 1 & 2 | Pins 2 & 3 | Pins 1 & 2 |
| | | closed | closed | closed |
|---+-----------------+------------+------------+------------|
| | VL bus speed > | Pins 2 & 3 | Pins 1 & 2 | Pins 2 & 3 |
| | 33MHz | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| LPT/Address | J10 | J11 |
|------------------+--------------------+--------------------|
| » | LPT1/378h | pins 2 & 3 closed | Pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | LPT2/278h | pins 1 & 2 closed | pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | LPT3/3BCh | pins 1 & 2 closed | pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | Disabled | pins 2 & 3 closed | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT INTERRUPT SELECT |
|------------------------------------------------------------|
| IRQ | J20 | J22 |
|------------------------+-----------------+-----------------|
| » | IRQ7 | Open | Closed |
|---+--------------------+-----------------+-----------------|
| | IRQ5 | Closed | Open |
|---+--------------------+-----------------+-----------------|
| | Disabled | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 CONFIGURATION |
|------------------------------------------------------------|
| COM/Address | J12 | J13 |
|------------------+--------------------+--------------------|
| » | COM1/3F8h | pins 2 & 3 closed | pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | COM3/3E8h | pins 1 & 2 closed | pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | COM4/2E8h | pins 2 & 3 closed | pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | Disabled | pins 1 & 2 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 CONFIGURATION |
|------------------------------------------------------------|
| COM/Address | J14 | J15 |
|------------------+--------------------+--------------------|
| » | COM2/2F8h | pins 2 & 3 closed | pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | COM3/3E8h | pins 2 & 3 closed | pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | COM4/2E8h | pins 1 & 2 closed | pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | Disabled | pins 1 & 2 closed | pins 2 & 3 closed |
+------------------------------------------------------------+