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 Memory | 384MB (EDO & SDRAM supported) |
Maximum Video Memory | None |
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 |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
AGP slot | AGP | PS/2 mouse port | CN6 |
ATX power connector | ATX | IDE interface 1 | J14 |
SB-link connector | C1 | IDE interface 2 | J18 |
Wake on LAN connector | C2 | Floppy drive interface | J19 |
Chassis fan power | C3 | Speaker | J20 |
Power LED & keylock | C4 | Reset switch | J21 |
CPU fan power | C5 | Power LED | J22 |
Parallel port | CN1 | IDE interface LED | J23 |
Serial port 2 | CN2 | IR connector | J24 |
Serial port 1 | CN3 | Green PC connector | J25 |
USB connector 2 | CN4 | Soft off power supply | J26 |
USB connector 1 | CN5 | 32-bit PCI slots | PC1 – PC5 |
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
» | Factory configured - do not alter | J1 | Unidentified |
» | Factory configured - do not alter | J2 | Unidentified |
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 speed | Clock speed | Multiplier | JP2/ pins 1 & 2 | JP2/ pins 3 & 4 | JP2/ pins 5 & 6 | JP2/ pins 7 & 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 |