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# TYAN COMPUTER CORPORATION
S1570 (REV. 1.0)
Processor CX M1/IBM/SGS/AM K5/Pentium
Processor Speed 75/90/100/120/133/150/166/180/200MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 256MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 512KB
BIOS AMI/Award
Dimensions 330mm x 218mm
I/O Options 32-bit PCI slots (5), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, PS/2 mouse interface, serial
ports (2), IR connector, USB connectors (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+------------+-----------------+-----------|
| Serial port 2 | CN1 | Power LED | J8/pins |
| | | | 18 & 20 |
|-----------------+------------+-----------------+-----------|
| Serial port 1 | CN2 | Reset switch | J8/pins |
| | | | 22 & 23 |
|-----------------+------------+-----------------+-----------|
| Parallel port | CN3 | Speaker | J8/pins |
| | | | 24 & 27 |
|-----------------+------------+-----------------+-----------|
| Floppy drive | CN4 | Chassis fan | J28 |
| interface | | power | |
|-----------------+------------+-----------------+-----------|
| IDE interface 2 | CN5 | Power LED & | JP20 |
| | | keylock | |
|-----------------+------------+-----------------+-----------|
| IDE interface 1 | CN6 | Turbo switch | JP24 |
|-----------------+------------+-----------------+-----------|
| PS/2 mouse | CN7 | Turbo LED | JP25 |
| interface | | | |
|-----------------+------------+-----------------+-----------|
| Green PC | J8/pins 3 | 32-bit PCI | PC1 – PC5 |
| connector | & 4 | slots | |
|-----------------+------------+-----------------+-----------|
| IR connector | J8/pins 6 | USB connector 1 | USB1 |
| | – 11 | | |
|-----------------+------------+-----------------+-----------|
| IDE interface | J8/pins 13 | USB connector 2 | USB2 |
| LED | – 16 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | CON1 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J1 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP9 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP16 | Pins 1 & 2 |
| | alter (matches BIOS installed) | | closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP33 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | CMOS memory normal operation | JP38 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | JP38 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP41 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP42 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP45 | Unidentified |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | Bank 4 |
|-------+----------+----------+----------+---------+---------|
| 8MB | (2) 1M x | None | None | None | None |
| | 36 | | | | |
|-------+----------+----------+----------+---------+---------|
| 8MB | None | None | None | (1) 1M | None |
| | | | | x 64 | |
|-------+----------+----------+----------+---------+---------|
| 16MB | None | None | None | (1) 2M | None |
| | | | | x 64 | |
|-------+----------+----------+----------+---------+---------|
| 16MB | (2) 2M x | None | None | None | None |
| | 36 | | | | |
|-------+----------+----------+----------+---------+---------|
| 24MB | (2) 1M x | (2) 1M x | (2) 1M x | None | None |
| | 36 | 36 | 36 | | |
|-------+----------+----------+----------+---------+---------|
| 32MB | (2) 4M x | None | None | None | None |
| | 36 | | | | |
|-------+----------+----------+----------+---------+---------|
| 32MB | None | (2) 2M x | None | (1) 2M | None |
| | | 36 | | x 64 | |
|-------+----------+----------+----------+---------+---------|
| 64MB | (2) 8M x | None | None | None | None |
| | 36 | | | | |
|-------+----------+----------+----------+---------+---------|
| 64MB | None | None | None | None | (1) 8M |
| | | | | | x 64 |
|-------+----------+----------+----------+---------+---------|
| 96MB | None | None | None | (1) 4M | (1) 8M |
| | | | | x 64 | x 64 |
|-------+----------+----------+----------+---------+---------|
| 128MB | None | None | None | (1) 8M | (1) 8M |
| | | | | x 64 | x 64 |
|-------+----------+----------+----------+---------+---------|
| 192MB | (2) 16M | None | None | None | (1) 8M |
| | x 36 | | | | x 64 |
|-------+----------+----------+----------+---------+---------|
| 256MB | (2) 16M | (2) 16M | None | None | None |
| | x 36 | x 36 | | | |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP43 | JP44 |
|------------------+--------------------+--------------------|
| » | 3v | Pins 1 & 2 closed | Pins 1 & 2 closed |
|----+-------------+--------------------+--------------------|
| | 5v | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP34 | JP35 | JP36 | JP37 |
|------------+-----------+-----------+-----------+-----------|
| | 3v | Open | Open | Closed | Closed |
|----+-------+-----------+-----------+-----------+-----------|
| » | 5v | Closed | Closed | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 512KB | (2) 64K x 32 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP10 | JP11 | JP13 |
| speed | speed | | | | |
|----------+---------+------------+--------+------+----------|
| 120MHz | 50MHz | 2x | Closed | Open | 1 & 2, 3 |
| | | | | | & 4 |
|----------+---------+------------+--------+------+----------|
| 150MHz | 60MHz | 2x | Closed | Open | 3 & 4 |
|----------+---------+------------+--------+------+----------|
| 166MHz | 66MHz | 2x | Closed | Open | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (IBM) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP10 | JP11 | JP13 |
| speed | speed | | | | |
|----------+---------+------------+--------+------+----------|
| 120MHz | 50MHz | 2x | Closed | Open | 1 & 2, 3 |
| | | | | | & 4 |
|----------+---------+------------+--------+------+----------|
| 150MHz | 60MHz | 2x | Closed | Open | 3 & 4 |
|----------+---------+------------+--------+------+----------|
| 166MHz | 66MHz | 2x | Closed | Open | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (SGS) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP10 | JP11 | JP13 |
| speed | speed | | | | |
|----------+---------+------------+--------+------+----------|
| 120MHz | 50MHz | 2x | Closed | Open | 1 & 2, 3 |
| | | | | | & 4 |
|----------+---------+------------+--------+------+----------|
| 150MHz | 60MHz | 2x | Closed | Open | 3 & 4 |
|----------+---------+------------+--------+------+----------|
| 166MHz | 66MHz | 2x | Closed | Open | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMD) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP10 | JP11 | JP13 |
| speed | speed | | | | |
|----------+----------+------------+--------+--------+-------|
| 90MHz | 60MHz | 1.5x | Open | Open | 3 & 4 |
|----------+----------+------------+--------+--------+-------|
| 100MHz | 66MHz | 1.5x | Open | Open | 1 & 2 |
|----------+----------+------------+--------+--------+-------|
| 120MHz | 60MHz | 2x | Closed | Open | 3 & 4 |
|----------+----------+------------+--------+--------+-------|
| 133MHz | 66MHz | 2x | Closed | Open | 1 & 2 |
|----------+----------+------------+--------+--------+-------|
| 150MHz | 60MHz | 2.5x | Closed | Closed | 3 & 4 |
|----------+----------+------------+--------+--------+-------|
| 166MHz | 66MHz | 2.5x | Closed | Closed | 1 & 2 |
|----------+----------+------------+--------+--------+-------|
| 200MHz | 66MHz | 3x | Open | Closed | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP10 | JP11 | JP13 |
| speed | speed | | | | |
|---------+--------+------------+--------+--------+----------|
| 75MHz | 50MHz | 1.5x | Open | Open | 1 & 2, 3 |
| | | | | | & 4 |
|---------+--------+------------+--------+--------+----------|
| 90MHz | 60MHz | 1.5x | Open | Open | 3 & 4 |
|---------+--------+------------+--------+--------+----------|
| 100MHz | 66MHz | 1.5x | Open | Open | 1 & 2 |
|---------+--------+------------+--------+--------+----------|
| 120MHz | 60MHz | 2x | Closed | Open | 3 & 4 |
|---------+--------+------------+--------+--------+----------|
| 133MHz | 66MHz | 2x | Closed | Open | 1 & 2 |
|---------+--------+------------+--------+--------+----------|
| 150MHz | 60MHz | 2.5x | Closed | Closed | 3 & 4 |
|---------+--------+------------+--------+--------+----------|
| 166MHz | 66MHz | 2.5x | Closed | Closed | 1 & 2 |
|---------+--------+------------+--------+--------+----------|
| 180MHz | 60MHz | 3x | Open | Closed | 3 & 4 |
|---------+--------+------------+--------+--------+----------|
| 200MHz | 66MHz | 3x | Open | Closed | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Type | JP27 | JP28 | JP29 | JP30 | JP31 | JP32 |
|--------+-------+--------+-------+--------+--------+--------|
| Cyrix | N/A | N/A | N/A | Closed | Open | Open |
|--------+-------+--------+-------+--------+--------+--------|
| P54C | Open | Closed | Open | Open | Closed | Closed |
|--------+-------+--------+-------+--------+--------+--------|
| P55C | Open | Closed | Open | Open | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT SELECTION |
|------------------------------------------------------------|
| Setting | J39 | J40 |
|--------------------+-------------------+-------------------|
| Used as serial | Pins 1 & 2 closed | Pins 1 & 2 closed |
| port | | |
|--------------------+-------------------+-------------------|
| Used as IR port | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+