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# SOYO COMPUTER CO., LTD.
SY-5EMM
Device Type Mainboard
Processor CX 6X86/CX 686MX/CX MII/AM K5/AM
K6/Pentium/Pentium MMX
Processor Speed 100/133/166/200/233/266/300/333/350MHz
Chip Set ETEQ
Maximum Onboard 640MB (EDO & SDRAM supported)
Memory
Cache 512KB
BIOS Award
Dimensions 245mm x 200mm
I/O Options 32-bit PCI slots (3), floppy drive interface,
game/MIDI port, IDE interfaces (2), parallel
port, PS/2 mouse port, serial ports (2), IR
connector, USB connectors (2), ATX power
connector, AGP slot, line in, line out,
microphone in, audio in – CD-ROMs (2), wake
on LAN connector
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| AGP slot | AGP | Serial port 2 | CN5 |
|-------------------+----------+------------------+----------|
| ATX power | ATX | Serial port 1 | CN6 |
| connector | | | |
|-------------------+----------+------------------+----------|
| Reset switch | C1 | Parallel port | CN7 |
|-------------------+----------+------------------+----------|
| Soft off power | C2 | USB connector 1 | CN8 |
| supply | | | |
|-------------------+----------+------------------+----------|
| Turbo LED | C3 | USB connector 2 | CN9 |
|-------------------+----------+------------------+----------|
| IDE interface LED | C4 | PS/2 mouse port | CN10 |
|-------------------+----------+------------------+----------|
| Power LED & | C5 | Floppy drive | CN11 |
| keylock | | interface | |
|-------------------+----------+------------------+----------|
| Speaker | C6 | IDE interface 2 | CN12 |
|-------------------+----------+------------------+----------|
| Chassis fan power | C7 | IDE interface 1 | CN13 |
|-------------------+----------+------------------+----------|
| CPU fan power | C8 | IR connector | IR1 |
|-------------------+----------+------------------+----------|
| Game/MIDI port | CN1 | Audio in – | JP16 |
| | | CD-ROM | |
|-------------------+----------+------------------+----------|
| Microphone in | CN2 | Audio in – | JP17 |
| | | CD-ROM | |
|-------------------+----------+------------------+----------|
| Line in | CN3 | Wake on LAN | JP44 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Line out | CN4 | 32-bit PCI slots | PC1 – |
| | | | PC5 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------+-------+-----------------|
| » | CMOS memory normal operation | JP5 | Pins 1 & 2 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | CMOS memory clear | JP5 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 8MB | (2) 1M x 36 |
|----------------------------+-------------------------------|
| 16MB | (2) 2M x 36 |
|----------------------------+-------------------------------|
| 32MB | (2) 4M x 36 |
|----------------------------+-------------------------------|
| 64MB | (2) 8M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 1 | Bank 2 |
|------------------+--------------------+--------------------|
| 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 1 | Bank 2 |
|------------------+--------------------+--------------------|
| 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 |
|------------------+--------------------+--------------------|
| 96MB | (1) 8M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 128MB | (1) 8M x 64 | (1) 8M x 64 |
|------------------+--------------------+--------------------|
| 128MB | (1) 16M x 64 | None |
|------------------+--------------------+--------------------|
| 136MB | (1) 16M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 144MB | (1) 16M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 160MB | (1) 16M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 192MB | (1) 16M x 64 | (1) 8M x 64 |
|------------------+--------------------+--------------------|
| 256MB | (1) 16M x 64 | (1) 16M x 64 |
|------------------+--------------------+--------------------|
| 256MB | (1) 32M x 64 | None |
|------------------+--------------------+--------------------|
| 272MB | (1) 32M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 288MB | (1) 32M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 320MB | (1) 32M x 64 | (1) 8M x 64 |
|------------------+--------------------+--------------------|
| 384MB | (1) 32M x 64 | (1) 16M x 64 |
|------------------+--------------------+--------------------|
| 512MB | (1) 32M x 64 | (1) 32M x 64 |
|------------------------------------------------------------|
| Note: Board accepts SDRAM memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM FREQUENCY CONFIGURATION |
|------------------------------------------------------------|
| CPU bus | AGP bus | SDRAM | JP8 | JP9 | JP10 |
| clock | clock | clock | | | |
|-------------+-----------+----------+-------+-------+-------|
| 66MHz | 66MHz | 66MHz | 2 & 3 | 2 & 3 | 1 & 2 |
|-------------+-----------+----------+-------+-------+-------|
| 75MHz | 75MHz | 75MHz | 2 & 3 | 2 & 3 | 1 & 2 |
|-------------+-----------+----------+-------+-------+-------|
| 83MHz | 55MHz | 55MHz | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------+-----------+----------+-------+-------+-------|
| 83MHz | 55MHz | 83MHz | 1 & 2 | 2 & 3 | 1 & 2 |
|-------------+-----------+----------+-------+-------+-------|
| 95MHz | 63MHz | 63MHz | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------+-----------+----------+-------+-------+-------|
| 95MHz | 63MHz | 95MHz | 1 & 2 | 2 & 3 | 1 & 2 |
|-------------+-----------+----------+-------+-------+-------|
| 100MHz | 66MHz | 66MHz | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------+-----------+----------+-------+-------+-------|
| 100MHz | 66MHz | 100MHz | 1 & 2 | 2 & 3 | 1 & 2 |
|-------------+-----------+----------+-------+-------+-------|
| 112MHz | 75MHz | 75MHz | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------+-----------+----------+-------+-------+-------|
| 112MHz | 75MHz | 112MHz | 1 & 2 | 2 & 3 | 1 & 2 |
|-------------+-----------+----------+-------+-------+-------|
| 124MHz | 82MHz | 82MHz | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------+-----------+----------+-------+-------+-------|
| 124MHz | 82MHz | 124MHz | 1 & 2 | 2 & 3 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 512KB | (1) 64K x 64 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |66MHz| 2x | On | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|200MHz |75MHz| 2x | On | Off | Off | Off | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86MX) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |66MHz| 2x | On | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|200MHz |66MHz| 2.5x | On | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|200MHz |75MHz| 2x | On | Off | Off | Off | On | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|233MHz |75MHz| 2.5x | On | On | Off | Off | On | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|266MHz |83MHz| 2.5x | On | On | Off | On | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX MII) |
|------------------------------------------------------------|
| CPU |Clock |Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|
|speed |speed | | | | | | | |
|------+------+----------+-----+-----+-----+-----+-----+-----|
|300MHz|66MHz | 3.5x | Off | Off | Off | Off | Off | Off |
|------+------+----------+-----+-----+-----+-----+-----+-----|
|300MHz|75MHz | 3x | Off | On | Off | Off | On | Off |
|------+------+----------+-----+-----+-----+-----+-----+-----|
|333MHz|66MHz | 4x | On | Off | On | Off | Off | Off |
|------+------+----------+-----+-----+-----+-----+-----+-----|
|333MHz|75MHz | 3.5x | Off | Off | Off | Off | On | Off |
|------+------+----------+-----+-----+-----+-----+-----+-----|
|333MHz|83MHz | 3x | Off | On | Off | On | On | Off |
|------+------+----------+-----+-----+-----+-----+-----+-----|
|333MHz|100MHz| 2.5x | On | On | Off | Off | Off | On |
|------+------+----------+-----+-----+-----+-----+-----+-----|
|350MHz|100MHz| 3x | Off | On | Off | Off | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|100MHz |66MHz| 1.5x | Off | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|133MHz |66MHz| 2x | On | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |66MHz| 2.5x | On | On | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |66MHz| 2.5x | On | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|200MHz |66MHz| 3x | Off | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|233MHz |66MHz| 3.5x | Off | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|266MHz |66MHz| 4x | On | Off | On | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|300MHz |66MHz| 4.5x | On | On | On | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6-2) |
|------------------------------------------------------------|
| CPU |Clock |Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|
|speed |speed | | | | | | | |
|------+------+----------+-----+-----+-----+-----+-----+-----|
|266MHz|66MHz | 4x | On | Off | On | Off | Off | Off |
|------+------+----------+-----+-----+-----+-----+-----+-----|
|300MHz|100MHz| 3x | Off | On | Off | Off | Off | On |
|------+------+----------+-----+-----+-----+-----+-----+-----|
|333MHz|95MHz | 3.5x | Off | Off | Off | On | Off | On |
|------+------+----------+-----+-----+-----+-----+-----+-----|
|350MHz|100MHz| 3.5x | Off | Off | Off | Off | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|100MHz |66MHz| 1.5x | Off | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|133MHz |66MHz| 2x | On | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |66MHz| 2.5x | On | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|200MHz |66MHz| 3x | Off | On | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |66MHz| 2.5x | On | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|200MHz |66MHz| 3x | Off | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|233MHz |66MHz| 3.5x | Off | Off | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Setting | JP1 | JP2 |
|--------------------+-------------------+-------------------|
| Single | Closed | Open |
|--------------------+-------------------+-------------------|
| Dual | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP30/pins 1 | JP30/pins | JP30/pins | JP30/pins |
| | & 2 | 3 & 4 | 5 & 6 | 7 & 8 |
|---------+--------------+-----------+-----------+-----------|
| 2.0 | Open | Open | Open | Open |
|---------+--------------+-----------+-----------+-----------|
| 2.1 | Closed | Open | Open | Open |
|---------+--------------+-----------+-----------+-----------|
| 2.2 | Open | Closed | Open | Open |
|---------+--------------+-----------+-----------+-----------|
| 2.3 | Closed | Closed | Open | Open |
|---------+--------------+-----------+-----------+-----------|
| 2.4 | Open | Open | Closed | Open |
|---------+--------------+-----------+-----------+-----------|
| 2.5 | Closed | Open | Closed | Open |
|---------+--------------+-----------+-----------+-----------|
| 2.6 | Open | Closed | Closed | Open |
|---------+--------------+-----------+-----------+-----------|
| 2.7 | Closed | Closed | Closed | Open |
|---------+--------------+-----------+-----------+-----------|
| 2.8 | Open | Open | Open | Closed |
|---------+--------------+-----------+-----------+-----------|
| 2.9 | Closed | Open | Open | Closed |
|---------+--------------+-----------+-----------+-----------|
| 3.0 | Open | Closed | Open | Closed |
|---------+--------------+-----------+-----------+-----------|
| 3.1 | Closed | Closed | Open | Closed |
|---------+--------------+-----------+-----------+-----------|
| 3.2 | Open | Open | Closed | Closed |
|---------+--------------+-----------+-----------+-----------|
| 3.3 | Closed | Open | Closed | Closed |
|---------+--------------+-----------+-----------+-----------|
| 3.4 | Open | Closed | Closed | Closed |
|---------+--------------+-----------+-----------+-----------|
| 3.5 | Closed | Closed | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ONBOARD SOUND SELECTION |
|------------------------------------------------------------|
| Setting | JP19 | JP20 |
|--------------------+-------------------+-------------------|
| Enabled | Open | Open |
|--------------------+-------------------+-------------------|
| Disabled | Closed | Closed |
+------------------------------------------------------------+