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# PC CHIPS MANUFACTURING, LTD.
M571
Device Type Mainboard
Processor CX 6X86L/CX 6X86MX/IBM 6X86L/IBM 6X86MX/AM
K6/IDT C6/Pentium/ Pentium MMX
Processor Speed 75/90/100/120/133/150/166/180/200/233/266MHz
Chip Set Intel TX Pro II BGA
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,
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
NPU Options None
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+-------------+---------------+-------------|
| ATX power | ATX | Turbo LED | J3/pins 7 & |
| connector | | | 18 |
|----------------+-------------+---------------+-------------|
| Serial port 1 | CN1 | IDE interface | J3/pins 8 & |
| | | LED | 19 |
|----------------+-------------+---------------+-------------|
| Serial port 2 | CN2 | Reset switch | J3/pins 9 & |
| | | | 20 |
|----------------+-------------+---------------+-------------|
| Parallel port | CN3 | Standby LED | J3/pins 11 |
| | | | & 22 |
|----------------+-------------+---------------+-------------|
| Floppy drive | CN4 | Speaker | J3/pins 12 |
| interface | | | - 15 |
|----------------+-------------+---------------+-------------|
| IDE interface | CN5 | PS/2 mouse | PS2 |
| 1 | | interface | |
|----------------+-------------+---------------+-------------|
| IDE interface | CN6 | USB connector | USB1 |
| 2 | | 1 | |
|----------------+-------------+---------------+-------------|
| VGA interface | CN7 | USB connector | USB2 |
| | | 2 | |
|----------------+-------------+---------------+-------------|
| Soft off power | J1 | IR connector | IR |
| supply | | | |
|----------------+-------------+---------------+-------------|
| Chassis fan | J2 | 32-bit PCI | PC1 – PC4 |
| power | | slots | |
|----------------+-------------+---------------+-------------|
| Power LED & | J3/pins 1 - | | |
| keylock | 5 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 | JP4 |
|--------------------+---------------------------------------|
| 3.3v | Pins 2 & 3, 5 & 6 closed |
|--------------------+---------------------------------------|
| 5v | Pins 1 & 2, 4 & 5 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 6X86MX) |
|------------------------------------------------------------|
|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 | 2.5x |2 & 3|1 & 2|2 & 3|2 & 3|2 & 3|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 233MHz | 75MHz | 2.5x |1 & 2|2 & 3|1 & 2|2 & 3|2 & 3|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 233MHz | 66MHz | 3x |2 & 3|1 & 2|2 & 3|1 & 2|2 & 3|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (IBM 6X86MX) |
|------------------------------------------------------------|
|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 | 2.5x |2 & 3|1 & 2|2 & 3|2 & 3|2 & 3|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 233MHz | 75MHz | 2.5x |1 & 2|2 & 3|1 & 2|2 & 3|2 & 3|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 233MHz | 66MHz | 3x |2 & 3|1 & 2|2 & 3|1 & 2|2 & 3|
|------------------------------------------------------------|
|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 (IDT C6) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier|JP5A |JP5B |JP5C |JP7A |JP7B |
| | speed | | | | | | |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 150MHz | 50MHz | 3x |2 & 3|2 & 3|2 & 3|1 & 2|2 & 3|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 180MHz | 60MHz | 3x |2 & 3|2 & 3|1 & 2|1 & 2|2 & 3|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier|JP5A |JP5B |JP5C |JP7A |JP7B |
| | 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|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP8A | JP8B |
|------------------+--------------------+--------------------|
| AM K6 | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| CX 6X86L | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| CX 6X86MX | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| IBM 6X86L | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| IBM 6X86MX | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| IDT C6 | Pins 2 & 3 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| P54C | Pins 2 & 3 closed | Pins 2 & 3 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 |
+------------------------------------------------------------+