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# SOYO COMPUTER CO., LTD.
5ED5, 5EDM
Processor CX 6X86/CX 6X86L/CX 686MX/AM K5/AM K6/Pentium
Processor 75/90/100/120/133/150/166/180/200/233/266/300MHz
Speed
Chip Set ETEQ
Video Chip None
Set
Maximum 384MB (EDO & SDRAM supported)
Onboard
Memory
Maximum Video None
Memory
Cache 512/1024KB
BIOS Unidentified
Dimensions 305mm x 244mm
I/O Options 32-bit PCI slots (5), floppy drive interface,
IDE interfaces (2), parallel port, PS/2 mouse
port, serial ports (2), IR connector, USB
connectors (2), ATX power connector, AGP slot
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| AGP slot | AGP | USB connector 1 | CN4 |
|-------------------+----------+------------------+----------|
| ATX power | ATX | USB connector 2 | CN5 |
| connector | | | |
|-------------------+----------+------------------+----------|
| Reset switch | C1 | PS/2 mouse port | CN6 |
|-------------------+----------+------------------+----------|
| Soft off power | C2 | Floppy drive | CN7 |
| supply | | interface | |
|-------------------+----------+------------------+----------|
| Turbo LED | C3 | IDE interface 1 | CN8 |
|-------------------+----------+------------------+----------|
| IDE interface LED | C4 | IDE interface 2 | CN9 |
|-------------------+----------+------------------+----------|
| Power LED & | C5 | IR connector | IR1 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| Speaker | C6 | CPU fan power | JP43 |
|-------------------+----------+------------------+----------|
| Parallel port | CN1 | Wake on LAN | JP44 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN2 | 32-bit PCI slots | PC1 – |
| | | | PC5 |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|--------------------------------------+-------+-------------|
| » | CMOS memory normal operation | JP5 | Pins 1 & 2 |
| | | | closed |
|---+----------------------------------+-------+-------------|
| | CMOS memory clear | JP5 | Pins 2 & 3 |
| | | | closed |
|---+----------------------------------+-------+-------------|
| | CPU burst mode select interleave | JP22 | Pins 1 & 2 |
| | | | closed |
|---+----------------------------------+-------+-------------|
| | CPU burst mode select linear | JP22 | 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 1 | Bank 2 | Bank 3 |
|------------+---------------+---------------+---------------|
| 8MB | (1) 1M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 16MB | (1) 2M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 16MB | (1) 1M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 24MB | (1) 2M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 24MB | (1) 1M x 64 | (1) 1M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 32MB | (1) 4M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 32MB | (1) 2M x 64 | (1) 2M x 64 | None |
|------------+---------------+---------------+---------------|
| 40MB | (1) 4M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 48MB | (1) 4M x 64 | (1) 2M x 64 | None |
|------------+---------------+---------------+---------------|
| 48MB | (1) 2M x 64 | (1) 2M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 64MB | (1) 8M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 64MB | (1) 4M x 64 | (1) 4M x 64 | None |
|------------+---------------+---------------+---------------|
| 72MB | (1) 8M x 64 | (1) 1M x 64 | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 1 | Bank 2 | Bank 3 |
|---------+-------------------+---------------+--------------|
| 80MB | (1) 8M x 64 | (1) 2M x 64 | None |
|---------+-------------------+---------------+--------------|
| 96MB | (1) 8M x 64 | (1) 4M x 64 | None |
|---------+-------------------+---------------+--------------|
| 96MB | (1) 4M x 64 | (1) 4M x 64 | (1) 4M x 64 |
|---------+-------------------+---------------+--------------|
| 128MB | (1) 16M x 64 | None | None |
|---------+-------------------+---------------+--------------|
| 128MB | (1) 8M x 64 | (1) 8M x 64 | None |
|---------+-------------------+---------------+--------------|
| 136MB | (1) 16M x 64 | (1) 1M x 64 | None |
|---------+-------------------+---------------+--------------|
| 144MB | (1) 16M x 64 | (1) 2M x 64 | None |
|---------+-------------------+---------------+--------------|
| 160MB | (1) 16M x 64 | (1) 4M x 64 | None |
|---------+-------------------+---------------+--------------|
| 192MB | (1) 16M x 64 | (1) 8M x 64 | None |
|---------+-------------------+---------------+--------------|
| 192MB | (1) 8M x 64 | (1) 8M x 64 | (1) 8M x 64 |
|---------+-------------------+---------------+--------------|
| 256MB | (1) 16M x 64 | (1) 16M x 64 | None |
|---------+-------------------+---------------+--------------|
| 384MB | (1) 16M x 64 | (1) 16M x 64 | (1) 16M x 64 |
|------------------------------------------------------------|
| Note: Board accepts EDO & SDRAM memory. Do not |
| install FPM or EDO SIMMs/DIMMs if SDRAM DIMMs are |
| already installed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP37 |
|----------------------------+-------------------------------|
| 3.3v | Pins 1 & 3, 2 & 4 closed |
|----------------------------+-------------------------------|
| 5v | Pins 3 & 5, 4 & 6 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+---------------+---------------+---------------|
| 512KB | (1) 64K x 64 | None | (1) 16K x 8 |
|------------+---------------+---------------+---------------|
| 1MB | (1) 64K x 64 | (1) 64K x 64 | Unidentified |
|------------------------------------------------------------|
| Note: The location of the banks is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86/6X86L) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|150MHz |60MHz| 2x | On | Off | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|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 |60MHz| 2.5x | On | On | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|200MHz |66MHz| 2.5x | On | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|233MHz |75MHz| 2.5x | On | On | Off | Off | On | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|233MHz |66MHz| 3x | Off | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|266MHz |75MHz| 3x | Off | On | Off | Off | On | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|266MHz |66MHz| 3.5x | Off | Off | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
| 75MHz |50MHz| 1.5x | Off | Off | Off | On | On | On |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
| 90MHz |60MHz| 1.5x | Off | Off | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|100MHz |66MHz| 1.5x | Off | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|120MHz |60MHz| 1.5x | Off | Off | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|133MHz |66MHz| 1.5x | Off | 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 |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|180MHz |60MHz| 3x | Off | On | Off | On | 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 (INTEL) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
| 75MHz |50MHz| 1.5x | Off | Off | Off | On | On | On |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
| 90MHz |60MHz| 1.5x | Off | Off | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|100MHz |66MHz| 1.5x | Off | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|120MHz |60MHz| 2x | On | Off | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|133MHz |66MHz| 2x | On | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|150MHz |60MHz| 2.5x | On | On | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |66MHz| 2.5x | On | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|180MHz |60MHz| 3x | Off | On | Off | On | 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 |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|180MHz |60MHz| 3x | Off | 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 (SINGLE) |
|------------------------------------------------------------|
| Voltage | JP30 |
|----------------------------+-------------------------------|
| » | 3.52v | Pins 1 & 2, 11 & 12 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL) |
|------------------------------------------------------------|
| Voltage | JP30 |
|----------------------------+-------------------------------|
| | 2.1 | Pins 5 & 6 closed |
|---+------------------------+-------------------------------|
| » | 2.8v | Pins 1 & 2, 11 & 12 closed |
|---+------------------------+-------------------------------|
| | 2.9v | Pins 1 & 2, 5 & 6 closed |
|---+------------------------+-------------------------------|
| | 3.2v | Pins 1 & 2, 7 & 8 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTE |
|------------------------------------------------------------|
| If board has an older CPU that does not automatically |
| detect the voltage, open jumper JP1. |
+------------------------------------------------------------+