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# TYAN COMPUTER CORPORATION
S1471
Device Type Mainboard
Processor CX 6X86/IBM 6X86/SGS 6X86/CX M1/Pentium
Processor Speed 75/90/100/120/133/150/166/200MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 128MB (EDO & SDRAM 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
interface, serial ports (2), IR connector
(2), USB connectors (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN1 | Reset switch | J41 |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN2 | Speaker | J42 |
|-------------------+----------+------------------+----------|
| Floppy drive | CN3 | IDE interface | J43 |
| interface | | LED | |
|-------------------+----------+------------------+----------|
| Parallel port | CN4 | Power LED & | J47 |
| | | keylock | |
|-------------------+----------+------------------+----------|
| IDE interface 2 | CN5 | Turbo LED | J48 |
|-------------------+----------+------------------+----------|
| IDE interface 1 | CN6 | Turbo switch | J49 |
|-------------------+----------+------------------+----------|
| PS/2 mouse | CN7 | 32-bit PCI slots | PC1 – |
| interface | | | PC5 |
|-------------------+----------+------------------+----------|
| IR connector | CON9 | USB connector 1 | USB1 |
|-------------------+----------+------------------+----------|
| IR connector | CON10 | USB connector 2 | USB2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | J16 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J18 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J19 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J31 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J32 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J36 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J37 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | CMOS memory normal operation | J45 | Open |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | J45 | Closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J46 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J50 | Pins 1 & 2 |
| | alter | | closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP4 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP5 | Unidentified |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 36 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 2M x 36 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (2) 4M x 36 | None |
|------------------+--------------------+--------------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (2) 8M x 36 | None |
|------------------+--------------------+--------------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 72MB | (2) 8M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 2 | Bank 3 |
|------------------+--------------------+--------------------|
| 8MB | (1) 1M x 64 | None |
|------------------+--------------------+--------------------|
| 16MB | (1) 2M x 64 | None |
|------------------+--------------------+--------------------|
| 16MB | (1) 1M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 24MB | (1) 2M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 32MB | (1) 4M x 64 | None |
|------------------+--------------------+--------------------|
| 32MB | (1) 2M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 40MB | (1) 4M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 48MB | (1) 4M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 64MB | (1) 8M x 64 | None |
|------------------+--------------------+--------------------|
| 64MB | (1) 4M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 72MB | (1) 8M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 80MB | (1) 8M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 96MB | (1) 8M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 128MB | (1) 8M x 64 | (1) 8M x 64 |
|------------------------------------------------------------|
| Note: Board accepts SDRAM memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | J3 | J5 | J6 | J7 | J8 |
|-----------+---------+---------+---------+---------+--------|
| | 3.3v | Closed | Open | Closed | Open | Closed |
|---+-------+---------+---------+---------+---------+--------|
| » | 5v | Open | Closed | Open | Closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM VOLTAGE CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Voltage | J9 | J11 | JP1 | JP2 | JP3 |
|-------------+----------+----------+--------+-------+-------|
| | 3.3v | Open | Open | 2 & 3 | 2 & 3 | 2 & 3 |
|----+--------+----------+----------+--------+-------+-------|
| » | 5v | Closed | Closed | 1 & 2 | 1 & 2 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 256KB | (2) 32K x 32 | Unidentified |
|------------------+--------------------+--------------------|
| 512KB | (2) 64K x 32 | Unidentified |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | J15 | J39 | J40 |
| speed | speed | | | | |
|----------+---------+------------+----------+------+--------|
| 120MHz | 50MHz | 2x | 1 & 2, 3 | Open | Closed |
| | | | & 4 | | |
|----------+---------+------------+----------+------+--------|
| 150MHz | 60MHz | 2x | 3 & 4 | Open | Closed |
|----------+---------+------------+----------+------+--------|
| 166MHz | 66MHz | 2x | 1 & 2 | Open | Closed |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (IBM 6X86) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | J15 | J39 | J40 |
| speed | speed | | | | |
|----------+---------+------------+----------+------+--------|
| 120MHz | 50MHz | 2x | 1 & 2, 3 | Open | Closed |
| | | | & 4 | | |
|----------+---------+------------+----------+------+--------|
| 150MHz | 60MHz | 2x | 3 & 4 | Open | Closed |
|----------+---------+------------+----------+------+--------|
| 166MHz | 66MHz | 2x | 1 & 2 | Open | Closed |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (SGS 6X86) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | J15 | J39 | J40 |
| speed | speed | | | | |
|----------+---------+------------+----------+------+--------|
| 120MHz | 50MHz | 2x | 1 & 2, 3 | Open | Closed |
| | | | & 4 | | |
|----------+---------+------------+----------+------+--------|
| 150MHz | 60MHz | 2x | 3 & 4 | Open | Closed |
|----------+---------+------------+----------+------+--------|
| 166MHz | 66MHz | 2x | 1 & 2 | Open | Closed |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX M1) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | J15 | J39 | J40 |
| speed | speed | | | | |
|----------+---------+------------+----------+------+--------|
| 120MHz | 50MHz | 2x | 1 & 2, 3 | Open | Closed |
| | | | & 4 | | |
|----------+---------+------------+----------+------+--------|
| 150MHz | 60MHz | 2x | 3 & 4 | Open | Closed |
|----------+---------+------------+----------+------+--------|
| 166MHz | 66MHz | 2x | 1 & 2 | Open | Closed |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | J15 | J39 | J40 |
| speed | speed | | | | |
|----------+--------+------------+---------+--------+--------|
| 75MHz | 50MHz | 1.5x | 1 & 2, | Open | Open |
| | | | 3 & 4 | | |
|----------+--------+------------+---------+--------+--------|
| 90MHz | 60MHz | 1.5x | 3 & 4 | Open | Open |
|----------+--------+------------+---------+--------+--------|
| 100MHz | 66MHz | 1.5x | 1 & 2 | Open | Open |
|----------+--------+------------+---------+--------+--------|
| 120MHz | 60MHz | 2x | 3 & 4 | Open | Closed |
|----------+--------+------------+---------+--------+--------|
| 133MHz | 66MHz | 2x | 1 & 2 | Open | Closed |
|----------+--------+------------+---------+--------+--------|
| 150MHz | 60MHz | 2.5x | 3 & 4 | Closed | Closed |
|----------+--------+------------+---------+--------+--------|
| 166MHz | 66MHz | 2.5x | 1 & 2 | Closed | Closed |
|----------+--------+------------+---------+--------+--------|
| 200MHz | 66MHz | 3x | 1 & 2 | Closed | Open |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | J15 | J39 | J40 |
| speed | speed | | | | |
|----------+----------+------------+-------+--------+--------|
| 166MHz | 66MHz | 2.5x | 1 & 2 | Closed | Closed |
|----------+----------+------------+-------+--------+--------|
| 200MHz | 66MHz | 3x | 1 & 2 | Closed | Open |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | J20 | J21 | J22 | J23 | J24 | J35 |
|-----------+--------+--------+------+-------+-------+-------|
| | Cyrix | Open | Closed | Open |Closed | Open | Open |
|-+---------+--------+--------+------+-------+-------+-------|
| | IBM | Open | Closed | Open |Closed | Open | Open |
|-+---------+--------+--------+------+-------+-------+-------|
| | SGS | Open | Closed | Open |Closed | Open | Open |
|-+---------+--------+--------+------+-------+-------+-------|
|»| Intel | Closed | Open | Open | Open |Closed |Closed |
|-+---------+--------+--------+------+-------+-------+-------|
|»|Intel MMX| Closed | Open | Open | Open |Closed |Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT SELECTION |
|------------------------------------------------------------|
| Setting | J13 | J14 |
|--------------------+-------------------+-------------------|
| Used as serial | Pins 1 & 2 closed | Pins 1 & 2 closed |
| port | | |
|--------------------+-------------------+-------------------|
| Used as IR | Pins 2 & 3 closed | Pins 2 & 3 closed |
| connector | | |
+------------------------------------------------------------+