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# TYAN COMPUTER CORPORATION
S1472
Processor CX M1/SGS/IBM/Pentium
Processor Speed 75/90/100/120/133/150/166/200MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 128MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS AMI/Award
Dimensions 330mm x 218mm
I/O Options 32-bit PCI slots (5), floppy drive interface,
IDE interfaces (2), parallel port, PS/2 mouse
port, serial ports (2), cache slot, IR
connectors (2), USB connectors (2), ATX power
connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| ATX power | ATX | IDE interface | J47 |
| connector | | LED | |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN1 | Speaker | J48 |
|-------------------+----------+------------------+----------|
| Parallel port | CN2 | Reset switch | J49 |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | CN3 | Turbo switch | J50 |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN4 | Turbo LED | J51 |
|-------------------+----------+------------------+----------|
| Floppy drive | CN5 | Power LED & | J52 |
| interface | | keylock | |
|-------------------+----------+------------------+----------|
| IDE interface 2 | CN6 | 32-bit PCI slots | PC1 - |
| | | | PC5 |
|-------------------+----------+------------------+----------|
| IDE interface 1 | CN7 | Cache slot | SL1 |
|-------------------+----------+------------------+----------|
| IR connector | CON4 | USB connector 1 | USB1 |
|-------------------+----------+------------------+----------|
| IR connector | CON10 | USB connector 2 | USB2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | J10 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J11 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| | ATX power on | J20 | Open |
|---+---------------------------------+-------+--------------|
| | ATX power off | J20 | Closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J26 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J32 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J37 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | CMOS memory normal operation | J38 | Open |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | J38 | Closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J46 | Pins 1 & 2 |
| | alter | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 8MB | (2) 1M x 32 | None | None | None |
|-------+-------------+------------+------------+------------|
| 8MB | None | None | (1) 1M x | None |
| | | | 64 | |
|-------+-------------+------------+------------+------------|
| 16MB | None | None | (1) 2M x | None |
| | | | 64 | |
|-------+-------------+------------+------------+------------|
| 16MB | (2) 2M x 32 | None | None | None |
|-------+-------------+------------+------------+------------|
| 16MB | (2) 1M x 32 | (2) 1M x | None | None |
| | | 32 | | |
|-------+-------------+------------+------------+------------|
| 32MB | (2) 2M x 32 | (2) 2M x | None | None |
| | | 32 | | |
|-------+-------------+------------+------------+------------|
| 32MB | (2) 4M x 32 | None | None | None |
|-------+-------------+------------+------------+------------|
| 32MB | None | None | (1) 4M x | None |
| | | | 64 | |
|-------+-------------+------------+------------+------------|
| 64MB | (2) 8M x 32 | None | None | None |
|-------+-------------+------------+------------+------------|
| 64MB | (2) 4M x 32 | (2) 4M x | None | None |
| | | 32 | | |
|-------+-------------+------------+------------+------------|
| 64MB | (2) 4M x 32 | None | None | (1) 4M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 64MB | None | None | (1) 4M x | (1) 4M x |
| | | | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 96MB | (2) 8M x 32 | (2) 4M x | None | None |
| | | 32 | | |
|-------+-------------+------------+------------+------------|
| 96MB | (2) 8M x 32 | None | None | (1) 4M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 128MB | (2) 8M x 32 | (2) 8M x | None | None |
| | | 32 | | |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
|Voltage | J3 | J4 | J5 | J27 | J28 | J29 | J30 |
|--------+-------+-------+-------+------+------+------+------|
| |3.3v |Closed |Closed |Closed | Open | Open | Open | Open |
|--+-----+-------+-------+-------+------+------+------+------|
|» | 5v | Open | Open | Open |Closed|Closed|Closed|Closed|
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | SL1 | TAG |
|-------+--------------+----------------------+--------------|
| 256KB | (2) 32K x 32 | Not installed | Unidentified |
|-------+--------------+----------------------+--------------|
| 512KB | (2) 32K x 32 | 256KB module | Unidentified |
| | | installed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | J7 |
|----------------------------+-------------------------------|
| 256KB | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 512KB | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE TAG CONFIGURATION |
|------------------------------------------------------------|
| Setting | J8 |
|-------------------------------+----------------------------|
| TAG enabled | Closed |
|-------------------------------+----------------------------|
| TAG disabled | Open |
|------------------------------------------------------------|
| Note: Jumper only used if COAST module is installed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX/SGS/IBM) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | J21 | J22 | J31 |
| 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 (INTEL) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | J21 | J22 | J31 |
| 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 |
|----------+--------+------------+--------+--------+---------|
| 200MHz | 66MHz | 3x | Open | Closed | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (P55C ONLY) |
|------------------------------------------------------------|
|Voltage| J14 | J15 | J16 | J17 | J18 | J19 | J54 | J55 |
|-------+-----+------+------+------+-----+-----+------+------|
| 2.6v |Open | Open |Closed| Open |Open |Open |Closed|Closed|
|-------+-----+------+------+------+-----+-----+------+------|
| 2.8v |Open | Open | Open |Closed|Open |Open |Closed|Closed|
|-------+-----+------+------+------+-----+-----+------+------|
| 3v |Open |Closed| Open | Open |Open |Open |Closed|Closed|
+------------------------------------------------------------+
+------------------------------------------------------------+
| POWER SUPPLY SELECTION |
|------------------------------------------------------------|
| Setting | J14 | J15 | J16 | J17 | J18 |
|-----------+----------+--------+--------+--------+----------|
| » | ATX | Closed | Open | Open | Open | Closed |
|---+-------+----------+--------+--------+--------+----------|
| | AT | Closed | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| POWER SUPPLY SELECTION (CON’T) |
|------------------------------------------------------------|
| Setting | J19 | J33 | J53 | J54 | J55 |
|-----------+----------+---------+---------+-------+---------|
| » | ATX | Closed | Open | Open | Open | Open |
|---+-------+----------+---------+---------+-------+---------|
| | AT | Closed | Closed | Closed | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT SELECTION |
|------------------------------------------------------------|
| Setting | J24 | J25 |
|--------------------+-------------------+-------------------|
| Used as serial | Pins 1 & 2 closed | Pins 1 & 2 closed |
| port | | |
|--------------------+-------------------+-------------------|
| Used as IR | Pins 2 & 3 closed | Pins 2 & 3 closed |
| connector | | |
+------------------------------------------------------------+