BCM ADVANCED RESEARCH, INC. SQ591 Processor CX M1/AM K5/Pentium Processor Speed 75/90/100/120/133/150/166/180/200MHz Chip Set Intel Video Chip Set None Maximum Onboard 128MB (EDO supported) Memory Maximum Video None Memory Cache 256/512KB BIOS Award Dimensions 254mm 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), IR connector, USB connectors (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Power LED & J1 pins 1 - IDE interface 1 J8 keylock 5 Green PC LED J1 pins 7 & USB connector 2 J10 8 IDE interface LED J1 pins 10 - USB connector 1 J11 13 Speaker J1 pins 14 - Parallel port J12 17 Green PC connector J1 pins 19 & IDE interface 2 J13 20 Turbo LED J1 pins 22 & Serial port 1 J18 23 Reset switch J1 pins 25 & Serial port 2 J19 26 PS/2 mouse J2 IR connector J21 interface Floppy drive J7 32-bit PCI slots PC1 – PC4 interface USER CONFIGURABLE SETTINGS Function Label Position » CMOS memory normal operation JP3 Open CMOS memory clear JP3 Closed 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 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 Note: Board accepts EDO memory. Banks are interchangeable. CACHE CONFIGURATION Size Bank 0 256KB (2) 32K x 32 512KB (2) 64K x 32 CPU SPEED SELECTION (CYRIX) CPU Clock Multiplier JP4 JP6 JP7 JP8 speed speed 120MHz 50MHz 2x Closed Open Closed Closed 133MHz 60MHz 2x Closed Open Open Open 150MHz 66MHz 2x Closed Open Closed Open 166MHz 60MHz 2x Closed Open Open Closed CPU SPEED SELECTION (AMD) CPU Clock Multiplier JP4 JP6 JP7 JP8 speed speed 75MHz 50MHz 1.5x Open Open Closed Closed 90MHz 60MHz 1.5x Open Open Closed Open 100MHz 66MHz 1.5x Open Open Open Closed 120MHz 60MHz 2x Closed Open Closed Open 133MHz 66MHz 2x Closed Open Open Closed 150MHz 60MHz 2.5x Closed Closed Closed Open 166MHz 66MHz 2.5x Closed Closed Open Closed 180MHz 60MHz 3x Open Closed Closed Open 200MHz 66MHz 3x Open Closed Open Closed CPU SPEED SELECTION (INTEL) CPU Clock Multiplier JP4 JP6 JP7 JP8 speed speed 75MHz 50MHz 1.5x Open Open Closed Closed 90MHz 60MHz 1.5x Open Open Closed Open 100MHz 66MHz 1.5x Open Open Open Closed 120MHz 60MHz 2x Closed Open Closed Open 133MHz 66MHz 2x Closed Open Open Closed 150MHz 60MHz 2.5x Closed Closed Closed Open 166MHz 66MHz 2.5x Closed Closed Open Closed 180MHz 60MHz 3x Open Closed Closed Open 200MHz 66MHz 3x Open Closed Open Closed CPU VOLTAGE SELECTION (CYRIX) CPU type Voltage JP1 JP2 JP5 STD 3.15v – 3.6v Open Closed 1 & 2, 3 & 4, 5 & 6 VRE 3.4v – 3.6v Open Open 1 & 2, 3 & 4, 5 & 6 N/A (future 2.5v Closed Closed Open use) N/A (future 2.8v Open Closed Open use) Note: Pins designated should be in the closed position. CPU VOLTAGE SELECTION (AMD) CPU type Voltage JP1 JP2 JP5 AM K5 (STD) 3.155v – 3.6v Open Closed 1 & 2, 3 & 4, 5 & 6 AM K5 (VRE) 3.4v – 3.6v Open Open 1 & 2, 3 & 4, 5 & 6 Note: Pins designated should be in the closed position. CPU VOLTAGE SELECTION (INTEL, SINGLE) CPU type Voltage JP1 JP2 JP5 P54C (STD) 3.155v – 3.6v Open Closed 1 & 2, 3 & 4, 5 & 6 P54C (VRE) 3.4v – 3.6v Open Open 1 & 2, 3 & 4, 5 & 6 Note: Pins designated should be in the closed position. CPU VOLTAGE SELECTION (INTEL, DUAL) CPU type Voltage V core JP1 JP2 JP5 P55C 3.38v 2.5v Closed Closed Open P55C 3.38v 2.8v Open Closed Open