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# TYAN COMPUTER CORPORATION
S1672
Processor Pentium Pro
Processor Speed 150/166/180/200MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 768MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 256/512KB (located on Pentium Pro CPU)
BIOS AMI/Award
Dimensions 330mm x 218mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
IDE interfaces (2), parallel port, PS/2 mouse
port, serial ports (2), IR connector, USB
connectors (2), ATX power connector, soft on
power supply
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+------------------+-----------|
| ATX power | ATX | Soft on power | J26 pins |
| connector | | supply | 1 & 2 |
|------------------+----------+------------------+-----------|
| Serial port 1 | CN1 | IR connector | J26 pins |
| | | | 6 - 11 |
|------------------+----------+------------------+-----------|
| Parallel port | CN2 | IDE interface | J26 pins |
| | | LED | 15 & 16 |
|------------------+----------+------------------+-----------|
| PS/2 mouse port | CN3 | Power LED | J26 pins |
| | | | 18 & 20 |
|------------------+----------+------------------+-----------|
| Serial port 2 | CN4 | Reset switch | J26 pins |
| | | | 22 & 23 |
|------------------+----------+------------------+-----------|
| Floppy drive | CN5 | Speaker | J26 pins |
| interface | | | 24 - 27 |
|------------------+----------+------------------+-----------|
| IDE interface 1 | CN6 | Keylock | JP1 |
|------------------+----------+------------------+-----------|
| IDE interface 2 | CN7 | 32-bit PCI slots | PC1 - PC4 |
|------------------+----------+------------------+-----------|
| IR connector | CON7 | USB connector | USB1 |
|------------------+----------+------------------+-----------|
| Chassis fan | J14 | USB connector | USB2 |
| power | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Power supply select ATX | J4 | Open |
|---+---------------------------------+-------+--------------|
| | Power supply select AT | J4 | Closed |
|---+---------------------------------+-------+--------------|
| | SMC I/O chip type select 665IR | J10 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | SMC I/O chip type select 669IR | J10 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J21 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J28 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J29 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | CMOS memory normal operation | J42 | Open |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | J42 | Closed |
|---+---------------------------------+-------+--------------|
| » | Flash BIOS voltage select 5v | J43 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Flash BIOS voltage select 12v | J43 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 8MB | (2) 1M x 32 | None | None |
|------------+---------------+---------------+---------------|
| 16MB | (2) 2M x 32 | None | None |
|------------+---------------+---------------+---------------|
| 16MB | (2) 1M x 32 | (2) 1M x 32 | None |
|------------+---------------+---------------+---------------|
| 32MB | (2) 4M x 32 | None | None |
|------------+---------------+---------------+---------------|
| 32MB | (2) 2M x 32 | (2) 2M x 32 | None |
|------------+---------------+---------------+---------------|
| 64MB | (2) 8M x 32 | None | None |
|------------+---------------+---------------+---------------|
| 64MB | (2) 4M x 32 | (2) 4M x 32 | None |
|------------+---------------+---------------+---------------|
| 128MB | (2) 8M x 32 | (2) 8M x 32 | None |
|------------+---------------+---------------+---------------|
| 128MB | (2) 16M x 32 | None | None |
|------------+---------------+---------------+---------------|
| 192MB | (2) 8M x 32 | (2) 8M x 32 | (2) 8M x 32 |
|------------+---------------+---------------+---------------|
| 256MB | (2) 16M x 32 | (2) 16M x 32 | None |
|------------+---------------+---------------+---------------|
| 256MB | (2) 32M x 32 | None | None |
|------------+---------------+---------------+---------------|
| 384MB | (2) 16M x 32 | (2) 16M x 32 | (2) 16M x 32 |
|------------+---------------+---------------+---------------|
| 512MB | (2) 32M x 32 | (2) 32M x 32 | None |
|------------+---------------+---------------+---------------|
| 768MB | (2) 32M x 32 | (2) 32M x 32 | (2) 32M x 32 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: 256KB/512KB cache is located on the Pentium Pro CPU. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| Speed | J6 | J19 | J20 | J30 | J31 | J32 | J33 |
|-------+------+-------+-------+-------+-------+------+------|
|150MHz |3 & 4 |Closed | Open |Closed |Closed |Closed| Open |
|-------+------+-------+-------+-------+-------+------+------|
|166MHz |1 & 2 | Open |Closed |Closed |Closed |Closed| Open |
|-------+------+-------+-------+-------+-------+------+------|
|180MHz |3 & 4 |Closed | Open |Closed |Closed | Open |Closed|
|-------+------+-------+-------+-------+-------+------+------|
|200MHz |1 & 2 | Open |Closed |Closed |Closed | Open |Closed|
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | J23 |
|----------------------------+-------------------------------|
| » | Auto select | Open |
|-------+--------------------+-------------------------------|
| | 2.1v | 1 & 5 |
|-------+--------------------+-------------------------------|
| | 2.2v | 2 & 6 |
|-------+--------------------+-------------------------------|
| | 2.3v | 1 & 5, 2 & 6 |
|-------+--------------------+-------------------------------|
| | 2.4v | 3 & 7 |
|-------+--------------------+-------------------------------|
| | 2.5v | 1 & 5, 3 & 7 |
|-------+--------------------+-------------------------------|
| | 2.6v | 2 & 6, 3 & 7 |
|-------+--------------------+-------------------------------|
| | 2.7v | 1 & 5, 2 & 6, 3 & 7 |
|-------+--------------------+-------------------------------|
| | 2.8v | 4 & 8 |
|-------+--------------------+-------------------------------|
| | 2.9v | 1 & 5, 4 & 8 |
|-------+--------------------+-------------------------------|
| | 3.0v | 2 & 6, 4 & 8 |
|-------+--------------------+-------------------------------|
| | 3.1v | 1 & 5, 2 & 6, 4 & 8 |
|-------+--------------------+-------------------------------|
| | 3.2v | 3 & 7, 4 & 8 |
|-------+--------------------+-------------------------------|
| | 3.3v | 1 & 5, 3 & 7, 4 & 8 |
|-------+--------------------+-------------------------------|
| | 3.4v | 2 & 6, 3 & 7, 4 & 8 |
|-------+--------------------+-------------------------------|
| | 3.5v | 1 & 5, 2 & 6, 3 & 7, 4 & 8 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+