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# BCM ADVANCED RESEARCH, INC.
SQ576
Processor CX 6X86/CX M2/AM K5/AM K6/Pentium
Processor Speed 90/100/120/133/150/166/180/200/233MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 256MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS Unidentified
Dimensions 230mm x 220mm
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), IR connector, USB connectors (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Reset switch | C1 | IDE interface 1 | J7 |
|-------------------+----------+------------------+----------|
| Turbo LED | C2 | Parallel port | J8 |
|-------------------+----------+------------------+----------|
| Green PC | C3 | IDE interface 2 | J9 |
| connector | | | |
|-------------------+----------+------------------+----------|
| Speaker | C4 | Serial port 1 | J12 |
|-------------------+----------+------------------+----------|
| IDE interface LED | C5 | Serial port 2 | J13 |
|-------------------+----------+------------------+----------|
| Green PC LED | C6 | USB connector | J14 |
|-------------------+----------+------------------+----------|
| Power LED & | C7 | USB connector | J15 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| PS/2 mouse | J1 | IR connector | J23 |
| interface | | | |
|-------------------+----------+------------------+----------|
| Floppy drive | J6 | 32-bit PCI slots | PC1 – |
| interface | | | PC4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | P1 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | P2 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | P3 | 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 |
|---------------+----------------------+---------------------|
| 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. Banks are interchangeable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 256KB | (2) 32K x 32 | Unidentified |
|------------------+--------------------+--------------------|
| 512KB | (2) 64K x 32 | Unidentified |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier| JP1 | JP6 | JP7 | JP8 |
|---------+-----------+----------+-------+-----+------+------|
| 133MHz | 50MHz | 2x |Closed |Open |Closed|Closed|
|---------+-----------+----------+-------+-----+------+------|
| 150MHz | 60MHz | 2x | Open |Open |Closed|Closed|
|---------+-----------+----------+-------+-----+------+------|
| 166MHz | 66MHz | 2x | Open |Open |Closed| Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX M2) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier| JP1 | JP6 | JP7 | JP8 |
|---------+-----------+----------+-----+-------+------+------|
| 150MHz | 60MHz | 2.5x |Open |Closed |Closed|Closed|
|---------+-----------+----------+-----+-------+------+------|
| 166MHz | 66MHz | 2.5x |Open | Open |Closed| Open |
|---------+-----------+----------+-----+-------+------+------|
| 180MHz | 60MHz | 3x |Open |Closed | Open |Closed|
|---------+-----------+----------+-----+-------+------+------|
| 200MHz | 66MHz | 3x |Open |Closed | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier| JP1 | JP6 | JP7 | JP8 |
|---------+-----------+----------+-----+-------+------+------|
| 100MHz | 66MHz | 1.5x |Open | Open | Open | Open |
|---------+-----------+----------+-----+-------+------+------|
| 120MHz | 60MHz | 2x |Open | Open |Closed|Closed|
|---------+-----------+----------+-----+-------+------+------|
| 133MHz | 66MHz | 2x |Open | Open |Closed| Open |
|---------+-----------+----------+-----+-------+------+------|
| 150MHz | 60MHz | 2.5x |Open |Closed |Closed|Closed|
|---------+-----------+----------+-----+-------+------+------|
| 166MHz | 66MHz | 2.5x |Open |Closed |Closed| Open |
|---------+-----------+----------+-----+-------+------+------|
| 200MHz | 66MHz | 3x |Open |Closed | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier| JP1 | JP6 | JP7 | JP8 |
|---------+-----------+----------+-----+-------+-------+-----|
| 166MHz | 66MHz | 2.5x |Open |Closed |Closed |Open |
|---------+-----------+----------+-----+-------+-------+-----|
| 200MHz | 66MHz | 3x |Open |Closed | Open |Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier| JP1 | JP6 | JP7 | JP8 |
|---------+-----------+----------+-----+-------+------+------|
| 90MHz | 60MHz | 1.5x |Open | Open | Open |Closed|
|---------+-----------+----------+-----+-------+------+------|
| 100MHz | 66MHz | 1.5x |Open | Open | Open | Open |
|---------+-----------+----------+-----+-------+------+------|
| 120MHz | 60MHz | 2x |Open | Open |Closed|Closed|
|---------+-----------+----------+-----+-------+------+------|
| 133MHz | 66MHz | 2x |Open | Open |Closed| Open |
|---------+-----------+----------+-----+-------+------+------|
| 150MHz | 60MHz | 2.5x |Open |Closed |Closed|Closed|
|---------+-----------+----------+-----+-------+------+------|
| 166MHz | 66MHz | 2.5x |Open |Closed |Closed| Open |
|---------+-----------+----------+-----+-------+------+------|
| 180MHz | 60MHz | 3x |Open |Closed | Open |Closed|
|---------+-----------+----------+-----+-------+------+------|
| 200MHz | 66MHz | 3x |Open |Closed | Open | Open |
|---------+-----------+----------+-----+-------+------+------|
| 233MHz | 66MHz | 3.5x |Open | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (SINGLE) |
|------------------------------------------------------------|
| Voltage | JP4 | JP5 | JP10 |
|---------+----------------+----------------+----------------|
| 3.5v | Pins 1 & 2 | Pins 1 & 2 | Open |
| | closed | closed | |
|---------+----------------+----------------+----------------|
| 3.38v | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL) |
|------------------------------------------------------------|
| Voltage | V core | JP4 | JP5 | JP10 |
|---------+--------+---------------+------------+------------|
| 3.3v | 2.8v | Pins 2 & 3 | Pins 2 & 3 | Pins 5 & 6 |
| | | closed | closed | closed |
|---------+--------+---------------+------------+------------|
| 3.3v | 2.9v | Pins 2 & 3 | Pins 2 & 3 | Pins 3 & 4 |
| | | closed | closed | closed |
+------------------------------------------------------------+