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# BCM ADVANCED RESEARCH, INC.
SQ593
Processor CX M1/Pentium
Processor Speed 75/90/100/120/133/150/166/180/200MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 256MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS Award
Dimensions 254mm x 218mm
I/O Options 32-bit PCI slots (3), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, PS/2 mouse port, PS/2 mouse
interface, serial ports (2), cache slot, IR
connectors (2), USB connectors (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+------------------+-----------|
| Serial port 1 | CN1 | Speaker | J1 pins |
| | | | 10 - 13 |
|------------------+----------+------------------+-----------|
| Serial port 2 | CN2 | IDE interface | J1 pins |
| | | LED | 14 - 17 |
|------------------+----------+------------------+-----------|
| Parallel port | CN3 | Green PC LED | J1 pins |
| | | | 19 & 20 |
|------------------+----------+------------------+-----------|
| Floppy drive | CN4 | Power LED & | J1 pins |
| interface | | keylock | 22 - 26 |
|------------------+----------+------------------+-----------|
| IDE interface 2 | CN5 | Fast IR | J24 |
| | | connector | |
|------------------+----------+------------------+-----------|
| IDE interface 1 | CN6 | IR connector | J25 |
|------------------+----------+------------------+-----------|
| PS/2 mouse port | CN7 | USB connector 2 | J34 |
|------------------+----------+------------------+-----------|
| PS/2 mouse | CN8 | USB connector 1 | J35 |
| interface | | | |
|------------------+----------+------------------+-----------|
| Reset switch | J1 pins | 32-bit PCI slots | PC1 – PC3 |
| | 1 & 2 | | |
|------------------+----------+------------------+-----------|
| Turbo LED | J1 pins | Cache slot | SL1 |
| | 4 & 5 | | |
|------------------+----------+------------------+-----------|
| Green PC | J1 pins | | |
| connector | 7 & 8 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+---------+------------|
| » | CMOS memory normal operation | JP3 | Open |
|---+---------------------------------+---------+------------|
| | CMOS memory clear | JP3 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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) 4M x 64 | (1) 4M x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|----------------+---------------------+---------------------|
| 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 |
|----------------+---------------------+---------------------|
| 256MB | (2) 16M x 36 | (2) 16M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. Board also accepts x 32 |
| SIMMs. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | SL1 |
|--------------+--------------------+------------------------|
| 256KB | (2) 32K x 32 | Not installed |
|--------------+--------------------+------------------------|
| 512KB | (2) 32K x 32 | 256KB module installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP7 | JP8 | JP9 | JP10 |
| speed | speed | | | | | |
|--------+-------+------------+--------+--------+-----+------|
| 120MHz | 50MHz | 2x | Closed | Closed | 2 & | 1 & |
| | | | | | 3 | 2 |
|--------+-------+------------+--------+--------+-----+------|
| 133MHz | 55MHz | 2x | Open | Open | 2 & | 1 & |
| | | | | | 3 | 2 |
|--------+-------+------------+--------+--------+-----+------|
| 150MHz | 60MHz | 2x | Open | Closed | 2 & | 1 & |
| | | | | | 3 | 2 |
|--------+-------+------------+--------+--------+-----+------|
| 166MHz | 66MHz | 2x | Closed | Open | 2 & | 1 & |
| | | | | | 3 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP7 | JP8 | JP9 | JP10 |
| speed | speed | | | | | |
|--------+-------+------------+--------+--------+-----+------|
| 75MHz | 50MHz | 1.5x | Closed | Closed | 1 & | 1 & |
| | | | | | 2 | 2 |
|--------+-------+------------+--------+--------+-----+------|
| 90MHz | 60MHz | 1.5x | Open | Closed | 1 & | 1 & |
| | | | | | 2 | 2 |
|--------+-------+------------+--------+--------+-----+------|
| 100MHz | 66MHz | 1.5x | Closed | Open | 1 & | 1 & |
| | | | | | 2 | 2 |
|--------+-------+------------+--------+--------+-----+------|
| 120MHz | 60MHz | 2x | Open | Closed | 2 & | 1 & |
| | | | | | 3 | 2 |
|--------+-------+------------+--------+--------+-----+------|
| 133MHz | 66MHz | 2x | Closed | Open | 2 & | 1 & |
| | | | | | 3 | 2 |
|--------+-------+------------+--------+--------+-----+------|
| 150MHz | 60MHz | 2.5x | Open | Closed | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+-------+------------+--------+--------+-----+------|
| 166MHz | 66MHz | 2.5x | Closed | Open | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+-------+------------+--------+--------+-----+------|
| 180MHz | 60MHz | 3x | Open | Closed | 1 & | 2 & |
| | | | | | 2 | 3 |
|--------+-------+------------+--------+--------+-----+------|
| 200MHz | 66MHz | 3x | Closed | Open | 1 & | 2 & |
| | | | | | 2 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (CYRIX) |
|------------------------------------------------------------|
| Voltage | JP1 | JP2 | JP11 |
|--------------+--------+---------------------------+--------|
| 2.5v | Closed | Open | Closed |
|--------------+--------+---------------------------+--------|
| 2.8v | Closed | Open | Open |
|--------------+--------+---------------------------+--------|
| 3.15v – 3.6v | Closed | 1 & 2, 3 & 4, 5 & 6, 7 & | Open |
| | | 8 | |
|--------------+--------+---------------------------+--------|
| 3.4v – 3.6v | Open | 1 & 2, 3 & 4, 5 & 6, 7 & | Open |
| | | 8 | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (INTEL) |
|------------------------------------------------------------|
| Voltage | JP1 | JP2 | JP11 |
|---------------+--------+--------------------------+--------|
| 2.5v | Closed | Open | Closed |
|---------------+--------+--------------------------+--------|
| 2.8v | Closed | Open | Open |
|---------------+--------+--------------------------+--------|
| 3.135v – 3.6v | Closed | 1 & 2, 3 & 4, 5 & 6, 7 & | Open |
| | | 8 | |
|---------------+--------+--------------------------+--------|
| 3.4v – 3.6v | Open | 1 & 2, 3 & 4, 5 & 6, 7 & | Open |
| | | 8 | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+