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# TYAN COMPUTER CORPORATION
S1468
Processor Pentium
Processor 75/90/100/120/133/150/166MHz
Speed
Chip Set Intel
Max. Onboard 128MB
DRAM
Cache 256/512KB
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), cache slot, Infra Red
connectors (2), VRM connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | CN1 | Infra Red | CON10 |
| | | interface | |
|-------------------+----------+------------------+----------|
| IDE interface 2 | CN2 | Speaker | J45 |
|-------------------+----------+------------------+----------|
| IDE interface 1 | CN3 | Power LED & | J46 |
| | | keylock | |
|-------------------+----------+------------------+----------|
| Floppy drive | CN4 | Turbo switch | J47 |
| interface | | | |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN5 | IDE interface | J48 pins |
| | | LED | 1 & 2 |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN6 | Reset switch | J49 |
|-------------------+----------+------------------+----------|
| Parallel port | CN7 | Turbo LED | J50 |
|-------------------+----------+------------------+----------|
| VRM connector | CN8 | 32-bit PCI slots | PC1 - |
| | | | PC4 |
|-------------------+----------+------------------+----------|
| Infra Red | CON9 | Cache slot | SL1 |
| interface | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Factory configured - do not | J12 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J14 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J15 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J16 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J17 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J18 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J19 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J20 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J21 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J22 | pins 2 & 3 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J23 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| | Chipset type select SMC 665IR | J25 | pins 1 & 2 |
| | (set at factory do not alter) | | closed |
|---+----------------------------------+--------+------------|
| | Chipset type select SMC 669IR | J25 | pins 2 & 3 |
| | (set at factory do not alter) | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J26 | Closed |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J27 | Closed |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J34 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J35 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J36 | Closed |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J37 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J38 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J39 | Closed |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J40 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | CMOS memory normal operation | J41 | Open |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | J41 | Closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J42 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J43 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J44 | pins 1 & 2 |
| | alter | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 8MB | (2) 1M x 32 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 32MB | (2) 4M x 32 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 16MB | (2) 1M x 32 | (2) 1M x 32 | NONE |
|------------+---------------+---------------+---------------|
| 24MB | (2) 1M x 32 | (2) 1M x 32 | (2) 1M x 32 |
|------------+---------------+---------------+---------------|
| 32MB | (2) 1M x 32 | (2) 1M x 32 | (2) 2M x 32 |
|------------+---------------+---------------+---------------|
| 48MB | (2) 1M x 32 | (2) 1M x 32 | (2) 4M x 32 |
|------------+---------------+---------------+---------------|
| 80MB | (2) 1M x 32 | (2) 1M x 32 | (2) 8M x 32 |
|------------+---------------+---------------+---------------|
| 48MB | (2) 4M x 32 | (2) 2M x 32 | NONE |
|------------+---------------+---------------+---------------|
| 56MB | (2) 4M x 32 | (2) 2M x 32 | (2) 1M x 32 |
|------------+---------------+---------------+---------------|
| 64MB | (2) 4M x 32 | (2) 2M x 32 | (2) 2M x 32 |
|------------+---------------+---------------+---------------|
| 80MB | (2) 4M x 32 | (2) 2M x 32 | (2) 4M x 32 |
|------------+---------------+---------------+---------------|
| 112MB | (2) 4M x 32 | (2) 2M x 32 | (2) 8M x 32 |
|------------+---------------+---------------+---------------|
| 32MB | NONE | (2) 4M x 32 | NONE |
|------------+---------------+---------------+---------------|
| 40MB | NONE | (2) 4M x 32 | (2) 1M x 32 |
|------------+---------------+---------------+---------------|
| 48MB | NONE | (2) 4M x 32 | (2) 2M x 32 |
|------------+---------------+---------------+---------------|
| 64MB | NONE | (2) 4M x 32 | (2) 4M x 32 |
|------------+---------------+---------------+---------------|
| 96MB | NONE | (2) 4M x 32 | (2) 8M x 32 |
|------------+---------------+---------------+---------------|
| 64MB | NONE | (2) 8M x 32 | NONE |
|------------+---------------+---------------+---------------|
| 72MB | NONE | (2) 8M x 32 | (2) 1M x 32 |
|------------+---------------+---------------+---------------|
| 80MB | NONE | (2) 8M x 32 | (2) 2M x 32 |
|------------+---------------+---------------+---------------|
| 96MB | NONE | (2) 8M x 32 | (2) 4M x 32 |
|------------+---------------+---------------+---------------|
| 128MB | NONE | (2) 8M x 32 | (2) 8M x 32 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG | SL1 |
|-----------+-----------+-----------+-----------+------------|
| 256KB (A) | (4) 32K x | (4) 32K x | (1) 32K x | Not |
| | 8 | 8 | 8 | installed |
|-----------+-----------+-----------+-----------+------------|
| 256KB (B) | NONE | NONE | NONE | Installed |
|-----------+-----------+-----------+-----------+------------|
| 512KB (A) | (4) 64K x | (4) 64K x | (1) 32K x | Not |
| | 8 | 8 | 8 | installed |
|-----------+-----------+-----------+-----------+------------|
| 512KB (B) | NONE | NONE | NONE | Installed |
|------------------------------------------------------------|
| Note: If SL1 is used, Banks 0 & 1 and TAG must be removed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | J13 | J28 | J29 | J30 | J31 |
|---------------+---------+---------+--------+-------+-------|
| 256KB | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 |
|---------------+---------+---------+--------+-------+-------|
| 512KB | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 |
|---------------+---------+---------+--------+-------+-------|
| Cache module | N/A | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | J24 | J32 | J33 |
|-----------+--------------------------+----------+----------|
| 75MHz | pins 1 & 2, 3 & 4 closed | Open | Open |
|-----------+--------------------------+----------+----------|
| 90MHz | pins 3 & 4 closed | Open | Open |
|-----------+--------------------------+----------+----------|
| 100MHz | pins 1 & 2 closed | Open | Open |
|-----------+--------------------------+----------+----------|
| 120MHz | pins 3 & 4 closed | Closed | Open |
|-----------+--------------------------+----------+----------|
| 133MHz | pins 1 & 2 closed | Closed | Open |
|-----------+--------------------------+----------+----------|
| 150MHz | pins 1 & 2, 3 & 4 closed | Open | Closed |
|-----------+--------------------------+----------+----------|
| 166MHz | pins 1 & 2 closed | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
|Voltage | J1 | J2 | J4 | J5 | J6 | J9 | J11 |
|--------+-------+-------+-------+------+------+------+------|
| 3.3v | Open | Open |Closed |Closed|Closed| Open | Open |
|--------+-------+-------+-------+------+------+------+------|
| 5v |Closed |Closed | Open | Open | Open |Closed|Closed|
+------------------------------------------------------------+
+------------------------------------------------------------+
| INFRA RED CONFIGURATION |
|------------------------------------------------------------|
| Setting | J51 | J52 |
|------------------+--------------------+--------------------|
| Normal I/O | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| IR support | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+