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# BIOSTAR MICROTECH INTERNATIONAL CORPORATION
M5ALA
Device Type Mainboard
Processor CX 6X86/CX 6X86L/CX MII/AM K5/AM K6/AM K6-2/
IDT C6/Pentium/Pentium MMX
Processor Speed 120/133/150/166/180/200/233/250/266/300/333MHz
Chip Set ALI Aladdin 5
Maximum Onboard 128MB (EDO & SDRAM supported)
Memory
Cache 512KB
BIOS Award
Dimensions 300mm x 200mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, PS/2 mouse port, serial ports
(2), IR connector, USB connectors (2), ATX
power connector, AGP slot, wake on LAN
connector
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-----------------+------------|
| AGP slot | AGP | IDE interface 2 | J9 |
|------------------+----------+-----------------+------------|
| ATX power | ATX | IDE interface 1 | J10 |
| connector | | | |
|------------------+----------+-----------------+------------|
| CPU fan power | J1 | Speaker | J11/pins 1 |
| | | | – 4 |
|------------------+----------+-----------------+------------|
| USB connector 1 | J2 | Power LED & | J11/pins 5 |
| | | keylock | - 10 |
|------------------+----------+-----------------+------------|
| USB connector 2 | J2A | Soft off power | J11/pins |
| | | supply | 10 & 11 |
|------------------+----------+-----------------+------------|
| PS/2 mouse port | J3 | Reset switch | J11/pins |
| | | | 12 & 13 |
|------------------+----------+-----------------+------------|
| Serial port 1 | J4 | 5V ground | J11/pins |
| | | | 14 & 15 |
|------------------+----------+-----------------+------------|
| Serial port 2 | J5 | Green PC | J11/pins |
| | | connector | 17 & 18 |
|------------------+----------+-----------------+------------|
| Wake on LAN | J6 | IDE interface | J11/pins |
| connector | | LED | 20 & 21 |
|------------------+----------+-----------------+------------|
| Parallel port | J7 | IR connector | J11/pins |
| | | | 22 - 26 |
|------------------+----------+-----------------+------------|
| Floppy drive | J8 | 32-bit PCI | PC1 – PC4 |
| interface | | slots | |
|------------------------------------------------------------|
| Note: The location of J6 is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | CMOS memory normal operation | JP4 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | JP4 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | On board battery disabled | JP4 | Open |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP5 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP6 | Unidentified |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|------------------+--------------------+--------------------|
| 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 2 | Bank 3 |
|------------------+--------------------+--------------------|
| 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. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 512KB | (2) 64K x 32 | Unidentified |
+------------------------------------------------------------+
+-------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|-------------------------------------------------------------|
| CPU |Clock|Multiplier| JP2A | JP2B | JP2C | JP2D |JP2E|JP2F|
|speed |speed| | | | | | | |
|------+-----+----------+------+------+------+------+----+----|
|150MHz|60MHz| 2x |Closed|Closed|Closed|Closed|Open|Open|
|------+-----+----------+------+------+------+------+----+----|
|166MHz|66MHz| 2x | Open |Closed|Closed|Closed|Open|Open|
|------+-----+----------+------+------+------+------+----+----|
|200MHz|75MHz| 2x |Closed|Closed| Open |Closed|Open|Open|
+-------------------------------------------------------------+
+-------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86L) |
|-------------------------------------------------------------|
| CPU |Clock|Multiplier| JP2A | JP2B | JP2C | JP2D |JP2E|JP2F|
|speed |speed| | | | | | | |
|------+-----+----------+------+------+------+------+----+----|
|150MHz|60MHz| 2x |Closed|Closed|Closed|Closed|Open|Open|
|------+-----+----------+------+------+------+------+----+----|
|166MHz|66MHz| 2x | Open |Closed|Closed|Closed|Open|Open|
|------+-----+----------+------+------+------+------+----+----|
|200MHz|75MHz| 2x |Closed|Closed| Open |Closed|Open|Open|
+-------------------------------------------------------------+
+---------------------------------------------------------------+
| CPU SPEED SELECTION (CX MII) |
|---------------------------------------------------------------|
| CPU |Clock|Multiplier| JP2A | JP2B | JP2C | JP2D | JP2E |JP2F|
|speed |speed| | | | | | | |
|------+-----+----------+------+------+------+------+------+----|
|150MHz|60MHz| 2x |Closed|Closed|Closed|Closed| Open |Open|
|------+-----+----------+------+------+------+------+------+----|
|166MHz|66MHz| 2x | Open |Closed|Closed|Closed| Open |Open|
|------+-----+----------+------+------+------+------+------+----|
|166MHz|60MHz| 2.5x |Closed|Closed|Closed|Closed|Closed|Open|
|------+-----+----------+------+------+------+------+------+----|
|200MHz|75MHz| 2x |Closed|Closed| Open |Closed| Open |Open|
|------+-----+----------+------+------+------+------+------+----|
|200MHz|66MHz| 2.5x | Open |Closed|Closed|Closed|Closed|Open|
|------+-----+----------+------+------+------+------+------+----|
|233MHz|83MHz| 2x | Open |Closed| Open |Closed| Open |Open|
|------+-----+----------+------+------+------+------+------+----|
|200MHz|60MHz| 3x |Closed|Closed|Closed| Open |Closed|Open|
|------+-----+----------+------+------+------+------+------+----|
|233MHz|75MHz| 2.5x |Closed|Closed| Open |Closed|Closed|Open|
|------+-----+----------+------+------+------+------+------+----|
|233MHz|66MHz| 3x | Open |Closed|Closed| Open |Closed|Open|
|------+-----+----------+------+------+------+------+------+----|
|266MHz|83MHz| 2.5x | Open |Closed| Open |Closed|Closed|Open|
|------+-----+----------+------+------+------+------+------+----|
|300MHz|75MHz| 3x |Closed|Closed| Open | Open |Closed|Open|
|------+-----+----------+------+------+------+------+------+----|
|300MHz|66MHz| 3.5x | Open |Closed|Closed| Open | Open |Open|
|------+-----+----------+------+------+------+------+------+----|
|333MHz|75MHz| 3.5x |Closed|Closed| Open | Open | Open |Open|
+---------------------------------------------------------------+
+-------------------------------------------------------------+
| CPU SPEED SELECTION (IDT C6) |
|-------------------------------------------------------------|
| CPU |Clock|Multiplier| JP2A | JP2B | JP2C |JP2D| JP2E |JP2F|
|speed |speed| | | | | | | |
|------+-----+----------+------+------+------+----+------+----|
|180MHz|60MHz| 3x |Closed|Closed|Closed|Open|Closed|Open|
|------+-----+----------+------+------+------+----+------+----|
|200MHz|66MHz| 3x | Open |Closed|Closed|Open|Closed|Open|
+-------------------------------------------------------------+
+---------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|---------------------------------------------------------------|
| CPU |Clock|Multiplier| JP2A | JP2B | JP2C | JP2D | JP2E |JP2F|
|speed |speed| | | | | | | |
|------+-----+----------+------+------+------+------+------+----|
|120MHz|60MHz| 2x |Closed|Closed|Closed|Closed| Open |Open|
|------+-----+----------+------+------+------+------+------+----|
|133MHz|66MHz| 2x | Open |Closed|Closed|Closed| Open |Open|
|------+-----+----------+------+------+------+------+------+----|
|166MHz|66MHz| 2x | Open |Closed|Closed|Closed| Open |Open|
|------+-----+----------+------+------+------+------+------+----|
|200MHz|66MHz| 3x | Open |Closed|Closed| Open |Closed|Open|
+---------------------------------------------------------------+
+---------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|---------------------------------------------------------------|
| CPU |Clock|Multiplier|JP2A| JP2B | JP2C | JP2D | JP2E | JP2F |
|speed |speed| | | | | | | |
|------+-----+----------+----+------+------+------+------+------|
|166MHz|66MHz| 2.5x |Open|Closed|Closed|Closed|Closed| Open |
|------+-----+----------+----+------+------+------+------+------|
|200MHz|66MHz| 3x |Open|Closed|Closed| Open |Closed| Open |
|------+-----+----------+----+------+------+------+------+------|
|233MHz|66MHz| 3.5x |Open|Closed|Closed| Open | Open | Open |
|------+-----+----------+----+------+------+------+------+------|
|266MHz|66MHz| 4x |Open|Closed|Closed|Closed| Open |Closed|
|------+-----+----------+----+------+------+------+------+------|
|300MHz|66MHz| 4.5x |Open|Closed|Closed|Closed|Closed|Closed|
+---------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6-2) |
|------------------------------------------------------------|
| CPU |Clock |Multiplier| JP2A |JP2B|JP2C| JP2D | JP2E |JP2F|
|speed |speed | | | | | | | |
|------+------+----------+------+----+----+------+------+----|
|250MHz|100MHz| 2.5x | Open |Open|Open|Closed|Closed|Open|
|------+------+----------+------+----+----+------+------+----|
|300MHz|100MHz| 3x | Open |Open|Open| Open |Closed|Open|
|------+------+----------+------+----+----+------+------+----|
|333MHz|95MHz | 3.5x |Closed|Open|Open| Open | Open |Open|
+------------------------------------------------------------+
+---------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|---------------------------------------------------------------|
| CPU |Clock|Multiplier| JP2A | JP2B | JP2C | JP2D | JP2E |JP2F|
|speed |speed| | | | | | | |
|------+-----+----------+------+------+------+------+------+----|
|120MHz|60MHz| 2x |Closed|Closed|Closed|Closed| Open |Open|
|------+-----+----------+------+------+------+------+------+----|
|133MHz|66MHz| 2x | Open |Closed|Closed|Closed| Open |Open|
|------+-----+----------+------+------+------+------+------+----|
|150MHz|60MHz| 2.5x |Closed|Closed|Closed|Closed|Closed|Open|
|------+-----+----------+------+------+------+------+------+----|
|166MHz|66MHz| 2.5x | Open |Closed|Closed|Closed|Closed|Open|
|------+-----+----------+------+------+------+------+------+----|
|200MHz|66MHz| 3x | Open |Closed|Closed| Open |Closed|Open|
+---------------------------------------------------------------+
+-------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX) |
|-------------------------------------------------------------|
| CPU |Clock|Multiplier|JP2A| JP2B | JP2C | JP2D | JP2E |JP2F|
|speed |speed| | | | | | | |
|------+-----+----------+----+------+------+------+------+----|
|166MHz|66MHz| 2.5x |Open|Closed|Closed|Closed|Closed|Open|
|------+-----+----------+----+------+------+------+------+----|
|200MHz|66MHz| 3x |Open|Closed|Closed| Open |Closed|Open|
|------+-----+----------+----+------+------+------+------+----|
|233MHz|66MHz| 3.5x |Open|Closed|Closed| Open | Open |Open|
+-------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (SINGLE) |
|------------------------------------------------------------|
| Voltage | JP1 | JP11 |
|-----------+----------------------------------------+-------|
| 3.5v | Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8 closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL) |
|------------------------------------------------------------|
| Voltage | V core | JP1 | JP11 |
|----------+--------+---------------------------------+------|
| 3.3v | 2.1v | Pins 1 & 2 closed | Open |
|----------+--------+---------------------------------+------|
| 3.3v | 2.2v | Pins 3 & 4 closed | Open |
|----------+--------+---------------------------------+------|
| 3.3v | 2.8v | Pins 7 & 8 closed | Open |
|----------+--------+---------------------------------+------|
| 3.3v | 2.9v | Pins 1 & 2 closed | Open |
|----------+--------+---------------------------------+------|
| 3.3v | 3.2v | Pins 5 & 6, 7 & 8 closed | Open |
|----------+--------+---------------------------------+------|
| 3.3v | 3.3v | Pins 1 & 2, 5 & 6, 7 & 8 closed | Open |
|----------+--------+---------------------------------+------|
| 3.45v | 2.2v | Pins 3 & 4 closed | Open |
+------------------------------------------------------------+