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# TYAN COMPUTER CORPORATION
S1470
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
interface, serial ports (2), cache slot, IR
connectors (2), USB connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN1 | IR connector | CON12 |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN2 | IDE interface | J12 |
| | | LED | |
|-------------------+----------+------------------+----------|
| Floppy drive | CN3 | Power LED & | J40 |
| interface | | keylock | |
|-------------------+----------+------------------+----------|
| Parallel port | CN4 | Speaker | J41 |
|-------------------+----------+------------------+----------|
| IDE interface 2 | CN5 | Turbo switch | J42 |
|-------------------+----------+------------------+----------|
| IDE interface 1 | CN6 | Reset switch | J49 |
|-------------------+----------+------------------+----------|
| USB connector | CN7 | Turbo LED | J50 |
|-------------------+----------+------------------+----------|
| PS/2 mouse | CN8 | 32-bit PCI slots | PC1 - |
| interface | | | PC5 |
|-------------------+----------+------------------+----------|
| IR connector | CON11 | Cache slot | SL1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | J18 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J26 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J27 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J39 | Pins 1 & 2 |
| | alter | | closed |
|---+---------------------------------+-------+--------------|
| » | CMOS memory normal operation | J43 | Open |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | J43 | Closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J54 | 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 | J2 | J4 | J6 | J9 | J14 | J15 | J16 |
|--------+-------+-------+-------+------+------+------+------|
| |3.3v | Open |Closed | Open | Open |Closed|Closed| Open |
|--+-----+-------+-------+-------+------+------+------+------|
|» | 5v |Closed | Open |Closed |Closed| Open | Open |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 | J21 |
|----------------------------+-------------------------------|
| 256KB | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 512KB | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE TAG CONFIGURATION |
|------------------------------------------------------------|
| Setting | J20 |
|-------------------------------+----------------------------|
| TAG enabled | Closed |
|-------------------------------+----------------------------|
| TAG disabled | Open |
|------------------------------------------------------------|
| Note: Jumper only used if COAST module is installed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX/SGS/IBM) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | J29 | J30 | J31 |
| speed | speed | | | | |
|----------+---------+------------+----------+--------+------|
| 120MHz | 50MHz | 2x | 1 & 2, 3 | Closed | Open |
| | | | & 4 | | |
|----------+---------+------------+----------+--------+------|
| 150MHz | 60MHz | 2x | 3 & 4 | Closed | Open |
|----------+---------+------------+----------+--------+------|
| 166MHz | 66MHz | 2x | 1 & 2 | Closed | Open |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | J29 | J30 | J31 |
| 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 | Closed | Open |
|----------+--------+------------+---------+--------+--------|
| 133MHz | 66MHz | 2x | 1 & 2 | Closed | Open |
|----------+--------+------------+---------+--------+--------|
| 150MHz | 60MHz | 2.5x | 3 & 4 | Closed | Closed |
|----------+--------+------------+---------+--------+--------|
| 166MHz | 66MHz | 2.5x | 1 & 2 | Closed | Closed |
|----------+--------+------------+---------+--------+--------|
| 200MHz | 66MHz | 3x | 1 & 2 | Open | Closed |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (CYRIX & P54C) |
|------------------------------------------------------------|
| Voltage | J58 | J60 | J61 | J62 | J63 | J64 |
|---------+-------+--------+--------+--------+-------+-------|
| 3.3v | Open | Open | Closed | Open | Open | Open |
|---------+-------+--------+--------+--------+-------+-------|
| 3.5v | Open | Open | Open | Closed | Open | Open |
|---------+-------+--------+--------+--------+-------+-------|
| 3.6v | Open | Closed | Open | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (CYRIX & P54C, CON’T) |
|------------------------------------------------------------|
| Voltage | J65 | J66 | J67 | J68 | J69 | J70 |
|---------+-------+------+--------+--------+--------+--------|
| 3.3v | Open | Open | Closed | Closed | Closed | Closed |
|---------+-------+------+--------+--------+--------+--------|
| 3.5v | Open | Open | Closed | Closed | Closed | Closed |
|---------+-------+------+--------+--------+--------+--------|
| 3.6v | Open | Open | Closed | Closed | Closed | Closed |
+------------------------------------------------------------+
+--------------------------------------------------------------+
| CPU VOLTAGE SELECTION (P55C) |
|--------------------------------------------------------------|
|Voltage| J58 | J63 | J64 | J65 | J66 |J67 |J68 |J69 |J70 |
|-------+------+------+------+------+------+----+----+----+----|
| 2.65v |Closed|Closed| Open | Open |Closed|Open|Open|Open|Open|
|-------+------+------+------+------+------+----+----+----+----|
| 2.85v |Closed| Open |Closed| Open |Closed|Open|Open|Open|Open|
|-------+------+------+------+------+------+----+----+----+----|
| 3v |Closed| Open | Open |Closed|Closed|Open|Open|Open|Open|
+--------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT SELECTION |
|------------------------------------------------------------|
| Setting | J10 | J11 |
|------------------------+-----------------+-----------------|
| » | Used as serial | Pins 1 & 2 | Pins 1 & 2 |
| | port | closed | closed |
|---+--------------------+-----------------+-----------------|
| | Used as IR | Pins 2 & 3 | Pins 2 & 3 |
| | connector | closed | closed |
+------------------------------------------------------------+