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# LUCKY STAR TECHNOLOGY CO., LTD.
5ATX2
Device Type Mainboard
Processor CX 6X86/CX 6X86L/CX 686MX/CX MII/AM K5/AM
K6/Pentium/
Pentium MMX
Processor Speed 75/90/100/120/133/150/166/180/200/233MHz
Chip Set Intel
Maximum Onboard 128MB
Memory
Cache 256/512KB
BIOS Unidentified
Dimensions 305mm x 244mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, PS/2 mouse interface, serial
ports (2), USB connectors (2), ATX power
connector
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-----------------+------------|
| CPU fan power | ATX | IDE interface 2 | CN9 |
|------------------+----------+-----------------+------------|
| Chassis fan | C1 | IR connector | IR1 |
| power | | | |
|------------------+----------+-----------------+------------|
| Parallel port | CN1 | Power LED & | JP13/pins |
| | | keylock | 1 – 5 |
|------------------+----------+-----------------+------------|
| Serial port 1 | CN2 | Speaker | JP13/pins |
| | | | 7 – 10 |
|------------------+----------+-----------------+------------|
| Serial port 2 | CN3 | Reset switch | JP13/pins |
| | | | 12 & 13 |
|------------------+----------+-----------------+------------|
| USB connector 1 | CN4 | IDE interface | JP13/pins |
| | | LED | 15 & 16 |
|------------------+----------+-----------------+------------|
| USB connector 2 | CN5 | Turbo LED | JP13/pins |
| | | | 18 & 19 |
|------------------+----------+-----------------+------------|
| PS/2 mouse port | CN6 | Green PC | JP13/pins |
| | | connector | 21 & 22 |
|------------------+----------+-----------------+------------|
| Floppy drive | CN7 | 32-bit PCI | PC1 – PC4 |
| interface | | slots | |
|------------------+----------+-----------------+------------|
| IDE interface 1 | CN8 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | JP4 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP12 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP14 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | CMOS memory normal operation | JP15 | Closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | JP15 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 2 | Bank 3 |
|------------------+--------------------+--------------------|
| 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 |
|------------------+--------------------+--------------------|
| 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP1 |
|----------------------------+-------------------------------|
| 3.3v | Pins 1 & 3, 2 & 4 closed |
|----------------------------+-------------------------------|
| 5v | Pins 3 & 5, 4 & 6 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP2 | JP3 | JP8 | JP9 | JP10 |
| speed | speed | | | | | | |
|--------+-------+------------+-----+-----+-----+-----+------|
| 120MHz | 50MHz | 2x | 2 & | 1 & | 1 & | 1 & | 1 & |
| | | | 3 | 2 | 2 | 2 | 2 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 133MHz | 55MHz | 2x | 2 & | 1 & | 1 & | 1 & | 2 & |
| | | | 3 | 2 | 2 | 2 | 3 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 150MHz | 60MHz | 2x | 2 & | 1 & | 2 & | 1 & | 1 & |
| | | | 3 | 2 | 3 | 2 | 2 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 166MHz | 66MHz | 2x | 2 & | 1 & | 1 & | 2 & | 1 & |
| | | | 3 | 2 | 2 | 3 | 2 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 200MHz | 75MHz | 2x | 2 & | 1 & | 2 & | 1 & | 2 & |
| | | | 3 | 2 | 3 | 2 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86L) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP2 | JP3 | JP8 | JP9 | JP10 |
| speed | speed | | | | | | |
|--------+-------+------------+-----+-----+-----+-----+------|
| 133MHz | 55MHz | 2x | 2 & | 1 & | 1 & | 1 & | 2 & |
| | | | 3 | 2 | 2 | 2 | 3 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 150MHz | 60MHz | 2x | 2 & | 1 & | 2 & | 1 & | 1 & |
| | | | 3 | 2 | 3 | 2 | 2 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 166MHz | 66MHz | 2x | 2 & | 1 & | 1 & | 2 & | 1 & |
| | | | 3 | 2 | 2 | 3 | 2 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 200MHz | 75MHz | 2x | 2 & | 1 & | 2 & | 1 & | 2 & |
| | | | 3 | 2 | 3 | 2 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86MX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP2 | JP3 | JP8 | JP9 | JP10 |
| speed | speed | | | | | | |
|--------+-------+------------+-----+-----+-----+-----+------|
| 166MHz | 60MHz | 2.5x | 2 & | 2 & | 2 & | 1 & | 1 & |
| | | | 3 | 3 | 3 | 2 | 2 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 166MHz | 66MHz | 2x | 2 & | 1 & | 1 & | 2 & | 1 & |
| | | | 3 | 2 | 2 | 3 | 2 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 200MHz | 75MHz | 2x | 2 & | 1 & | 2 & | 1 & | 2 & |
| | | | 3 | 2 | 3 | 2 | 3 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 233MHz | 75MHz | 2.5x | 2 & | 2 & | 2 & | 1 & | 2 & |
| | | | 3 | 3 | 3 | 2 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX MII) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP2 | JP3 | JP8 | JP9 | JP10 |
| speed | speed | | | | | | |
|--------+-------+------------+-----+-----+-----+-----+------|
| 300MHz | 66MHz | 3.5x | 1 & | 1 & | 1 & | 2 & | 1 & |
| | | | 2 | 2 | 2 | 3 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP2 | JP3 | JP8 | JP9 | JP10 |
| speed | speed | | | | | | |
|--------+-------+------------+-----+-----+-----+-----+------|
| 75MHz | 50MHz | 1.5x | 1 & | 1 & | 1 & | 1 & | 1 & |
| | | | 2 | 2 | 2 | 2 | 2 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 90MHz | 60MHz | 1.5x | 1 & | 1 & | 2 & | 1 & | 1 & |
| | | | 2 | 2 | 3 | 2 | 2 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 100MHz | 66MHz | 1.5x | 1 & | 1 & | 1 & | 2 & | 1 & |
| | | | 2 | 2 | 2 | 3 | 2 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 120MHz | 60MHz | 1.5x | 1 & | 1 & | 2 & | 1 & | 1 & |
| | | | 2 | 2 | 3 | 2 | 2 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 133MHz | 66MHz | 1.5x | 1 & | 1 & | 1 & | 2 & | 1 & |
| | | | 2 | 2 | 2 | 3 | 2 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 150MHz | 60MHz | 2.5x | 2 & | 2 & | 2 & | 1 & | 1 & |
| | | | 3 | 3 | 3 | 2 | 2 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 166MHz | 66MHz | 2.5x | 2 & | 2 & | 1 & | 2 & | 1 & |
| | | | 3 | 3 | 2 | 3 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP2 | JP3 | JP8 | JP9 | JP10 |
| speed | speed | | | | | | |
|--------+-------+------------+-----+-----+-----+-----+------|
| 166MHz | 66MHz | 2.5x | 2 & | 2 & | 1 & | 2 & | 1 & |
| | | | 3 | 3 | 2 | 3 | 2 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 200MHz | 66MHz | 3x | 1 & | 2 & | 1 & | 2 & | 1 & |
| | | | 2 | 3 | 2 | 3 | 2 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 233MHz | 66MHz | 3.5x | 1 & | 1 & | 1 & | 2 & | 1 & |
| | | | 2 | 2 | 2 | 3 | 2 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 266MHz | 66MHz | 4x | 2 & | 1 & | 1 & | 2 & | 1 & |
| | | | 3 | 2 | 2 | 3 | 2 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 300MHz | 66MHz | 4.5x | 2 & | 2 & | 1 & | 2 & | 1 & |
| | | | 3 | 3 | 2 | 3 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP2 | JP3 | JP8 | JP9 | JP10 |
| speed | speed | | | | | | |
|--------+-------+------------+-----+-----+-----+-----+------|
| 75MHz | 50MHz | 1.5x | 1 & | 1 & | 1 & | 1 & | 1 & |
| | | | 2 | 2 | 2 | 2 | 2 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 90MHz | 60MHz | 1.5x | 1 & | 1 & | 2 & | 1 & | 1 & |
| | | | 2 | 2 | 3 | 2 | 2 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 100MHz | 66MHz | 1.5x | 1 & | 1 & | 1 & | 2 & | 1 & |
| | | | 2 | 2 | 2 | 3 | 2 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 120MHz | 60MHz | 2x | 2 & | 1 & | 2 & | 1 & | 1 & |
| | | | 3 | 2 | 3 | 2 | 2 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 133MHz | 66MHz | 2x | 2 & | 1 & | 1 & | 2 & | 1 & |
| | | | 3 | 2 | 2 | 3 | 2 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 150MHz | 60MHz | 2.5x | 2 & | 2 & | 2 & | 1 & | 1 & |
| | | | 3 | 3 | 3 | 2 | 2 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 166MHz | 66MHz | 2.5x | 2 & | 2 & | 1 & | 2 & | 1 & |
| | | | 3 | 3 | 2 | 3 | 2 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 180MHz | 60MHz | 3x | 1 & | 2 & | 2 & | 1 & | 1 & |
| | | | 2 | 3 | 3 | 2 | 2 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 200MHz | 66MHz | 3x | 1 & | 2 & | 1 & | 2 & | 1 & |
| | | | 2 | 3 | 2 | 3 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP2 | JP3 | JP8 | JP9 | JP10 |
| speed | speed | | | | | | |
|--------+-------+------------+-----+-----+-----+-----+------|
| 166MHz | 66MHz | 2.5x | 2 & | 2 & | 1 & | 2 & | 1 & |
| | | | 3 | 3 | 2 | 3 | 2 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 200MHz | 66MHz | 3x | 1 & | 2 & | 1 & | 2 & | 1 & |
| | | | 2 | 3 | 2 | 3 | 2 |
|--------+-------+------------+-----+-----+-----+-----+------|
| 233MHz | 66MHz | 3.5x | 1 & | 1 & | 1 & | 2 & | 1 & |
| | | | 2 | 2 | 2 | 3 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP6 |
|--------------------------+---------------------------------|
| Single voltage | Open |
|--------------------------+---------------------------------|
| Dual voltage | Pins 1 & 2, 3 & 4, 5 & 6 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP5 |
|-------------------+----------------------------------------|
| 2.0v | Open |
|-------------------+----------------------------------------|
| 2.1v | Pins 1 & 2 closed |
|-------------------+----------------------------------------|
| 2.5v | Pins 1 & 2, 5 & 6 closed |
|-------------------+----------------------------------------|
| 2.8v | Pins 7 & 8 closed |
|-------------------+----------------------------------------|
| 2.9v | Pins 1 & 2, 7 & 8 closed |
|-------------------+----------------------------------------|
| 3.0v | Pins 3 & 4, 7 & 8 closed |
|-------------------+----------------------------------------|
| 3.1v | Pins 1 & 2, 3 & 4, 7 & 8 closed |
|-------------------+----------------------------------------|
| 3.2v | Pins 5 & 6, 7 & 8 closed |
|-------------------+----------------------------------------|
| 3.3v | Pins 1 & 2, 5 & 6, 7 & 8 closed |
|-------------------+----------------------------------------|
| 3.5v | Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8 closed |
+------------------------------------------------------------+