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# SOYO COMPUTER CO., LTD.
SY-5TC2/C5
Processor Pentium
Processor 75/90/100/120/133/150MHz
Speed
Chip Set Intel
Max. Onboard 128MB
DRAM
Cache 256/512KB
BIOS Award
Dimensions 330mm x 218mm
I/O Options PS/2 mouse port, parallel port, serial ports (2),
32-bit PCI slots (4), floppy drive interface, IDE
interface, green PC connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN1 | VRM slot | J4 |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN2 | Power LED & | J17 |
| | | keylock | |
|-------------------+----------+------------------+----------|
| Parallel port | CN3 | Speaker | J18 |
|-------------------+----------+------------------+----------|
| Floppy drive | CN4 | Reset switch | J19 |
| interface | | | |
|-------------------+----------+------------------+----------|
| IDE interface 1 | CN5 | Turbo LED | J22 |
|-------------------+----------+------------------+----------|
| IDE interface 2 | CN6 | Green PC | JP8 |
| | | connector | |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | J2 | IDE interface | JP11 |
| | | LED | |
|-------------------+----------+------------------+----------|
| External cache | J3 | 32-bit PCI slots | PC1 - |
| slot | | | PC4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Factory configured - do not | J5 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | PS/2 mouse disabled | J11 | Open |
|---+----------------------------------+--------+------------|
| | PS/2 mouse enabled | J11 | Closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP2 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Monitor type select color | JP3 | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP3 | Open |
|---+----------------------------------+--------+------------|
| » | CMOS memory normal operation | JP5 | Open |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | JP5 | Closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP6 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP7 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP9 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP13 | Closed |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP14 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP15 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP18 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP19 | pins 2 & 3 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP22 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Pipeline mode enabled | JP23 | Closed |
|---+----------------------------------+--------+------------|
| | Pipeline mode disabled | JP23 | Open |
|---+----------------------------------+--------+------------|
| » | Cache type select write back | JP24 | Open |
|---+----------------------------------+--------+------------|
| | Cache type select write through | JP24 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 2MB | (2) 256K x 36 | NONE |
|------------------+--------------------+--------------------|
| 4MB | (2) 512K x 36 | NONE |
|------------------+--------------------+--------------------|
| 4MB | (2) 256K x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 6MB | (2) 512K x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 6MB | (2) 256K x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 36 | NONE |
|------------------+--------------------+--------------------|
| 8MB | (2) 512K x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 36 | NONE |
|------------------+--------------------+--------------------|
| 10MB | (2) 1M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 10MB | (2) 256K x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 10MB | (2) 1M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 12MB | (2) 1M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 12MB | (2) 512K x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 12MB | (2) 1M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 16MB | (2) 2M x 36 | NONE |
|------------------+--------------------+--------------------|
| 18MB | (2) 256K x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 18MB | (2) 2M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 20MB | (2) 512K x 36 | (2) 2M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 20MB | (2) 2M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 24MB | (2) 1M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 24MB | (2) 1M x 36 | (2) 2M 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 |
|------------------+--------------------+--------------------|
| 34MB | (2) 256K x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 34MB | (2) 4M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 36MB | (2) 512K x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 36MB | (2) 4M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 40MB | (2) 1M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 40MB | (2) 1M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 2M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (2) 8M x 36 | NONE |
|------------------+--------------------+--------------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 66MB | (2) 8M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 66MB | (2) 256K x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 68MB | (2) 8M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 68MB | (2) 512K x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 72MB | (2) 1M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 72MB | (2) 8M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 72MB | (2) 1M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 80MB | (2) 2M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 96MB | (2) 4M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 16M x 36 | NONE |
|------------------+--------------------+--------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG | J3 |
|-------+-----------+-----------+---------------+------------|
| 256KB | (4) 32K x | (4) 32K x | (1) 8K or (1) | NONE |
| | 8 | 8 | 16K x 8 | |
|-------+-----------+-----------+---------------+------------|
| 256KB | NONE | NONE | (1) 8K or (1) | Card |
| | | | 16K x 8 | installed |
|-------+-----------+-----------+---------------+------------|
| 512KB | (4) 64K x | (4) 64K x | (1) 32K x 8 | NONE |
| | 8 | 8 | | |
|-------+-----------+-----------+---------------+------------|
| 512KB | NONE | NONE | (1) 32K x 8 | Card |
| | | | | installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP4 | JP16 | JP17 | JP20 |
|-------+-------------+------------+------------+------------|
| 256KB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 |
| | closed | closed | closed | closed |
|-------+-------------+------------+------------+------------|
| 256KB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 |
| | closed | closed | closed | closed |
|-------+-------------+------------+------------+------------|
| 512KB | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed | closed |
|-------+-------------+------------+------------+------------|
| 512KB | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Size | JP1 | JP29 |
|---------------+-----------------------+--------------------|
| 3.3v | pins 1 & 2, 3 & 4, 5 | Open |
| | & 6 closed | |
|---------------+-----------------------+--------------------|
| Mixed voltage | Open | pins 1 & 2, 3 & 4, |
| | | 5 & 6 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | Bus speed | JP12 | JP13 |
|--------------+---------------+--------------+--------------|
| 75MHz | 50MHz | Open | Open |
|--------------+---------------+--------------+--------------|
| 90MHz | 60MHz | Closed | Open |
|--------------+---------------+--------------+--------------|
| 100MHz | 66MHz | Closed | Closed |
|--------------+---------------+--------------+--------------|
| 100MHz | 50MHz | Open | Open |
|--------------+---------------+--------------+--------------|
| 120MHz | 60MHz | Closed | Open |
|--------------+---------------+--------------+--------------|
| 133MHz | 66MHz | Closed | Closed |
|--------------+---------------+--------------+--------------|
| 150MHz | 60MHz | Closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AT BUS CLOCK CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP10 |
|----------------------------+-------------------------------|
| Clock /4 | pins 2 & 3 closed |
|----------------------------+-------------------------------|
| Clock /3 | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | J8 | J9 | J10 |
|---------------+---------------+---------------+------------|
| 3.3v | Closed | Open | Open |
|---------------+---------------+---------------+------------|
| 3.45v - 3.6v | Open | Closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU BUS RATIO CONFIGURATION |
|------------------------------------------------------------|
| Ratio | JP21 | JP22 |
|--------------------+-------------------+-------------------|
| 3/2 | Open | Open |
|--------------------+-------------------+-------------------|
| 2/1 | Closed | Open |
|--------------------+-------------------+-------------------|
| 5/2 | Closed | Closed |
|--------------------+-------------------+-------------------|
| 3/1 | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS CONFIGURATION |
|------------------------------------------------------------|
| DMA | JP25 | JP26 |
|------------------+--------------------+--------------------|
| EPROM | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| Flash | pins 2 & 3 closed | pins 1 & 2 closed |
+------------------------------------------------------------+