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# BCM ADVANCED RESEARCH, INC.
QS440BX
Device Type Mainboard
Processor Pentium II
Processor Speed 233/266/300/333/350/400/450MHz
Chip Set Intel 440BX
Video Chip Set None
Maximum Onboard 384MB (EDO & SDRAM supported)
Memory
Maximum Video None
Memory
Cache 512KB (located on Pentium II CPU)
BIOS Award
Dimensions 305mm x 244mm
I/O Options 32-bit PCI slots (5), 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, SB-link connector,
wake on LAN connector
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| AGP slot | AGP | PS/2 mouse port | CN6 |
|-------------------+----------+------------------+----------|
| ATX power | ATX | IDE interface 1 | J14 |
| connector | | | |
|-------------------+----------+------------------+----------|
| SB-link connector | C1 | IDE interface 2 | J18 |
|-------------------+----------+------------------+----------|
| Wake on LAN | C2 | Floppy drive | J19 |
| connector | | interface | |
|-------------------+----------+------------------+----------|
| Chassis fan power | C3 | Speaker | J20 |
|-------------------+----------+------------------+----------|
| Power LED & | C4 | Reset switch | J21 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| CPU fan power | C5 | Power LED | J22 |
|-------------------+----------+------------------+----------|
| Parallel port | CN1 | IDE interface | J23 |
| | | LED | |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN2 | IR connector | J24 |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN3 | Green PC | J25 |
| | | connector | |
|-------------------+----------+------------------+----------|
| USB connector 2 | CN4 | Soft off power | J26 |
| | | supply | |
|-------------------+----------+------------------+----------|
| USB connector 1 | CN5 | 32-bit PCI slots | PC1 – |
| | | | PC5 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | J1 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J2 | Unidentified |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 8MB | (1) 1M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 16MB | (1) 2M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 16MB | (1) 1M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 24MB | (1) 2M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 24MB | (1) 1M x 64 | (1) 1M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 32MB | (1) 4M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 32MB | (1) 2M x 64 | (1) 1M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 32MB | (1) 2M x 64 | (1) 2M x 64 | None |
|------------+---------------+---------------+---------------|
| 40MB | (1) 4M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 40MB | (1) 2M x 64 | (1) 2M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 48MB | (1) 4M x 64 | (1) 1M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 48MB | (1) 4M x 64 | (1) 2M x 64 | None |
|------------+---------------+---------------+---------------|
| 48MB | (1) 2M x 64 | (1) 2M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 56MB | (1) 4M x 64 | (1) 2M x 64 | (1) 1M x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 64MB | (1) 8M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 64MB | (1) 4M x 64 | (1) 2M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 64MB | (1) 4M x 64 | (1) 4M x 64 | None |
|------------+---------------+---------------+---------------|
| 72MB | (1) 8M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 72MB | (1) 4M x 64 | (1) 4M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 80MB | (1) 8M x 64 | (1) 1M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 80MB | (1) 8M x 64 | (1) 2M x 64 | None |
|------------+---------------+---------------+---------------|
| 80MB | (1) 4M x 64 | (1) 4M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 88MB | (1) 8M x 64 | (1) 2M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 96MB | (1) 8M x 64 | (1) 2M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 96MB | (1) 8M x 64 | (1) 4M x 64 | None |
|------------+---------------+---------------+---------------|
| 96MB | (1) 4M x 64 | (1) 4M x 64 | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 104MB | (1) 8M x 64 | (1) 4M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 112MB | (1) 8M x 64 | (1) 4M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 128MB | (1) 16M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 128MB | (1) 8M x 64 | (1) 4M x 64 | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 128MB | (1) 8M x 64 | (1) 8M x 64 | None |
|------------+---------------+---------------+---------------|
| 136MB | (1) 16M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 136MB | (1) 8M x 64 | (1) 8M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 144MB | (1) 16M x 64 | (1) 1M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 144MB | (1) 16M x 64 | (1) 2M x 64 | None |
|------------+---------------+---------------+---------------|
| 144MB | (1) 8M x 64 | (1) 8M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 152MB | (1) 16M x 64 | (1) 2M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 160MB | (1) 16M x 64 | (1) 2M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 160MB | (1) 16M x 64 | (1) 4M x 64 | None |
|------------+---------------+---------------+---------------|
| 160MB | (1) 8M x 64 | (1) 8M x 64 | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 168MB | (1) 16M x 64 | (1) 4M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 176MB | (1) 16M x 64 | (1) 4M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 192MB | (1) 16M x 64 | (1) 4M x 64 | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 192MB | (1) 8M x 64 | (1) 8M x 64 | (1) 8M x 64 |
|------------+---------------+---------------+---------------|
| 200MB | (1) 16M x 64 | (1) 8M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 208MB | (1) 16M x 64 | (1) 8M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 224MB | (1) 16M x 64 | (1) 8M x 64 | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 256MB | (1) 16M x 64 | (1) 8M x 64 | (1) 8M x 64 |
|------------+---------------+---------------+---------------|
| 384MB | (1) 16M x 64 | (1) 16M x 64 | (1) 16M x 64 |
|------------------------------------------------------------|
| Note: Board accepts EDO & SDRAM memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: 512KB cache is located on the Pentium II CPU. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| JP2/ | JP2/ | JP2/ | JP2/ |
| speed | speed | | | | | |
| | | |pins 1 |pins 3 |pins 5 |pins 7 |
| | | | & 2 | & 4 | & 6 | & 8 |
|-------+---------+----------+-------+-------+-------+-------|
|233MHz | 66MHz | 3.5x | Open |Closed | Open |Closed |
|-------+---------+----------+-------+-------+-------+-------|
|266MHz | 66MHz | 4x |Closed | Open |Closed |Closed |
|-------+---------+----------+-------+-------+-------+-------|
|300MHz | 66MHz | 4.5x |Closed | Open | Open |Closed |
|-------+---------+----------+-------+-------+-------+-------|
|300MHz | 100MHz | 3x | Open |Closed |Closed |Closed |
|-------+---------+----------+-------+-------+-------+-------|
|333MHz | 66MHz | 5x | Open | Open |Closed |Closed |
|-------+---------+----------+-------+-------+-------+-------|
|350MHz | 100MHz | 3.5x | Open |Closed | Open |Closed |
|-------+---------+----------+-------+-------+-------+-------|
|400MHz | 100MHz | 4x |Closed | Open |Closed |Closed |
|-------+---------+----------+-------+-------+-------+-------|
|450MHz | 100MHz | 4.5x |Closed | Open | Open |Closed |
+------------------------------------------------------------+