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# EURONE (HK) CO., LTD.
EM-5571
Device Type Mainboard
Processor CX 6X86L/CX M2/IBM6X86L/IBM M2/AM K6/Pentium
Processor Speed 75/90/100/120/133/150/166/180/200/233/266MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 384MB (EDO & SDRAM supported)
Memory
Maximum Video None
Memory
Cache 512KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
game interface, green PC connector, IDE
interfaces (2), parallel port, PS/2 mouse
interface, serial ports (2), VGA interface,
IR connector, USB connectors (2), ATX power
connector, line in, line out, microphone in,
audio in – CD-ROMs (2)
NPU Options None
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+--------------+---------------+-------------|
| ATX power | ATX | IDE interface | J3/pins 15 |
| connector | | LED | & 16 |
|---------------+--------------+---------------+-------------|
| Serial port 1 | CN1 | Reset switch | J3/pins 17 |
| | | | & 18 |
|---------------+--------------+---------------+-------------|
| Serial port 2 | CN2 | Green PC LED | J3/pins 19 |
| | | | & 20 |
|---------------+--------------+---------------+-------------|
| Parallel port | CN3 | Green PC | J3/pins 21 |
| | | connector | & 22 |
|---------------+--------------+---------------+-------------|
| Floppy drive | CN4 | Audio in – | J4 |
| interface | | CD-ROM | |
|---------------+--------------+---------------+-------------|
| IDE interface | CN5 | Audio in – | J5 |
| 1 | | CD-ROM | |
|---------------+--------------+---------------+-------------|
| IDE interface | CN6 | Line in, line | J6 |
| 2 | | out, mic in | |
|---------------+--------------+---------------+-------------|
| Game | CN7 | USB connector | J7/pins 1 - |
| interface | | | 4 |
|---------------+--------------+---------------+-------------|
| VGA interface | CN8 | PS/2 mouse | J7/pins 5 & |
| | | interface | 6, 15 & 16 |
|---------------+--------------+---------------+-------------|
| Soft off | J1 | IR connector | J7/pins 7 – |
| power supply | | | 9, 17 & 18 |
|---------------+--------------+---------------+-------------|
| Chassis fan | J2 | USB connector | J7/pins 10 |
| power | | | - 13 |
|---------------+--------------+---------------+-------------|
| Speaker | J3/pins 1, | 32-bit PCI | PC1 – PC4 |
| | 3, 5, 7 | slots | |
|---------------+--------------+---------------+-------------|
| Power LED & | J3/pins 2, | PS/2 mouse | PS2 |
| keylock | 4, 6, 8, 10 | interface | |
|---------------+--------------+---------------+-------------|
| Turbo LED | J3/pins 13 & | | |
| | 14 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| » | CMOS memory normal operation | JP2 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | CMOS memory clear | JP2 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | On board video enabled | JP3 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | On board video disabled | JP3 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | PCI clock speed select CPU CLK/2 | JP5D | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | PCI clock speed select CPU CLK = | JP5D | Pins 2 & 3 |
| | 33MHz | | closed |
|---+-----------------------------------+-------+------------|
| | Microphone type select special | JP9 | Closed |
|---+-----------------------------------+-------+------------|
| | Microphone type select normal | JP9 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 36 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 2M x 36 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 1M x 36 | (2) 1M 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 |
|------------------+--------------------+--------------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (2) 8M x 36 | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|--------------+-----------------------+---------------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 |
|--------------+-----------------------+---------------------|
| 72MB | (2) 8M x 36 | (2) 1M x 36 |
|--------------+-----------------------+---------------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 |
|--------------+-----------------------+---------------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 |
|--------------+-----------------------+---------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
|--------------+-----------------------+---------------------|
| 128MB | (2) 16M x 36 | None |
|--------------+-----------------------+---------------------|
| 136MB | (2) 16M x 36 | (2) 1M x 36 |
|--------------+-----------------------+---------------------|
| 144MB | (2) 16M x 36 | (2) 2M x 36 |
|--------------+-----------------------+---------------------|
| 160MB | (2) 16M x 36 | (2) 4M x 36 |
|--------------+-----------------------+---------------------|
| 192MB | (2) 16M x 36 | (2) 8M x 36 |
|--------------+-----------------------+---------------------|
| 256MB | (2) 16M x 36 | (2) 16M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. It Is not recommended to |
| install DIMMs & SIMMs at the same time. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|---------------+----------------------+---------------------|
| 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 |
|---------------+----------------------+---------------------|
| 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 |
|---------------+----------------------+---------------------|
| 72MB | (1) 8M x 64 | (1) 1M x 64 |
|---------------+----------------------+---------------------|
| 80MB | (1) 8M x 64 | (1) 2M x 64 |
|---------------+----------------------+---------------------|
| 96MB | (1) 8M x 64 | (1) 4M x 64 |
|---------------+----------------------+---------------------|
| 128MB | (1) 8M x 64 | (1) 8M x 64 |
|------------------------------------------------------------|
| Note: Board accepts SDRAM memory. For maximum memory |
| of 384MB, fully populate all 4 banks. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM/SIMM VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP4A | JP4B |
|------------------+--------------------+--------------------|
| 3.3v | Pins 2 & 3 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 5v | Pins 1 & 2 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 512KB | (1) 64K x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86L) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier|JP5A |JP5B |JP5C |JP7A |JP7B |
| | speed | | | | | | |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 120MHz | 50MHz | 2x |2 & 3|2 & 3|2 & 3|2 & 3|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 133MHz | 55MHz | 2x |1 & 2|2 & 3|2 & 3|2 & 3|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 150MHz | 60MHz | 2x |2 & 3|2 & 3|1 & 2|2 & 3|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2x |2 & 3|1 & 2|2 & 3|2 & 3|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 200MHz | 75MHz | 2x |1 & 2|2 & 3|1 & 2|2 & 3|1 & 2|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (IBM 6X86L) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier|JP5A |JP5B |JP5C |JP7A |JP7B |
| | speed | | | | | | |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 120MHz | 50MHz | 2x |2 & 3|2 & 3|2 & 3|2 & 3|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 133MHz | 55MHz | 2x |1 & 2|2 & 3|2 & 3|2 & 3|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 150MHz | 60MHz | 2x |2 & 3|2 & 3|1 & 2|2 & 3|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2x |2 & 3|1 & 2|2 & 3|2 & 3|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 200MHz | 75MHz | 2x |1 & 2|2 & 3|1 & 2|2 & 3|1 & 2|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX M2) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier|JP5A |JP5B |JP5C |JP7A |JP7B |
| | speed | | | | | | |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x |2 & 3|1 & 2|2 & 3|2 & 3|2 & 3|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 200MHz | 66MHz | 3x |2 & 3|1 & 2|2 & 3|1 & 2|2 & 3|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 233MHz | 66MHz | 3.5x |2 & 3|1 & 2|2 & 3|1 & 2|1 & 2|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (IBM M2) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier|JP5A |JP5B |JP5C |JP7A |JP7B |
| | speed | | | | | | |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x |2 & 3|1 & 2|2 & 3|2 & 3|2 & 3|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 200MHz | 66MHz | 3x |2 & 3|1 & 2|2 & 3|1 & 2|2 & 3|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 233MHz | 66MHz | 3.5x |2 & 3|1 & 2|2 & 3|1 & 2|1 & 2|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier|JP5A |JP5B |JP5C |JP7A |JP7B |
| | speed | | | | | | |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x |2 & 3|1 & 2|2 & 3|2 & 3|2 & 3|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 200MHz | 66MHz | 3x |2 & 3|1 & 2|2 & 3|1 & 2|2 & 3|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 233MHz | 66MHz | 3.5x |2 & 3|1 & 2|2 & 3|1 & 2|1 & 2|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier|JP3A |JP3B |JP3C |JP8A |JP8B |
| | speed | | | | | | |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 75MHz | 50MHz | 1.5x |2 & 3|2 & 3|2 & 3|1 & 2|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 90MHz | 60MHz | 1.5x |2 & 3|2 & 3|1 & 2|1 & 2|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 100MHz | 66MHz | 1.5x |2 & 3|1 & 2|2 & 3|1 & 2|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 120MHz | 60MHz | 2x |2 & 3|2 & 3|1 & 2|2 & 3|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 133MHz | 66MHz | 2x |2 & 3|1 & 2|2 & 3|2 & 3|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 150MHz | 60MHz | 2.5x |2 & 3|2 & 3|1 & 2|2 & 3|2 & 3|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x |2 & 3|1 & 2|2 & 3|2 & 3|2 & 3|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 180MHz | 60MHz | 3x |2 & 3|2 & 3|1 & 2|1 & 2|2 & 3|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 200MHz | 66MHz | 3x |2 & 3|1 & 2|2 & 3|1 & 2|2 & 3|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier|JP5A |JP5B |JP5C |JP7A |JP7B |
| | speed | | | | | | |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x |2 & 3|1 & 2|2 & 3|2 & 3|2 & 3|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 200MHz | 66MHz | 3x |2 & 3|1 & 2|2 & 3|1 & 2|2 & 3|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 233MHz | 66MHz | 3.5x |2 & 3|1 & 2|2 & 3|1 & 2|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 4x |2 & 3|1 & 2|2 & 3|2 & 3|1 & 2|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP8A | JP8B |
|------------------+--------------------+--------------------|
| P54C | Pins 2 & 3 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| IDT C6 | Pins 2 & 3 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| CX M2 | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| AM K6 | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| CX 6X86L | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| IBM 6X86L | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| P55C | Pins 1 & 2 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP6A | JP6B | JP6C | JP6D | JP6E |
|----------+---------+---------+---------+---------+---------|
| 2.5v | Open | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| 2.8v | Open | Open | Open | Open | Closed |
|----------+---------+---------+---------+---------+---------|
| 2.9v | Open | Open | Open | Closed | Open |
|----------+---------+---------+---------+---------+---------|
| 3.2v | Open | Open | Closed | Open | Open |
|----------+---------+---------+---------+---------+---------|
| 3.3v | Open | Closed | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| 3.5v | Closed | Open | Open | Open | Open |
+------------------------------------------------------------+