PIONEX TECHNOLOGIES, INC. MB-8500TVX 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 AMI Dimensions 220mm x 220mm 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), IR connector, USB connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Serial port 2 CN1 Turbo LED J13 pins 10 & 11 Serial port 1 CN2 Reset switch J13 pins 12 & 13 Parallel port CN3 Green PC connector J13 pins 17 & 18 Floppy drive CN4 IDE interface LED J13 pins 20 & interface 21 IDE interface 2 CN5 Ground connector J13 pins 25 & 26 IDE interface 1 CN6 IR connector J14 PS/2 mouse port J2 Chassis fan power JP13 PS/2 mouse J5 32-bit PCI slots PC1 - PC3 interface Speaker J13 pins 1 - USB connector USB 4 Power LED & J13 pins 5 - keylock 9 USER CONFIGURABLE SETTINGS Function Label Position Flash BIOS voltage select 12v JP3 Pins 2 & 3 closed Flash BIOS voltage select 5v JP3 Pins 1 & 2 closed » CMOS memory normal operation JP4 Open CMOS memory clear JP4 Closed DRAM CONFIGURATION Size Bank 0 Bank 1 8MB (2) 1M x 36 None 8MB None (2) 1M x 36 16MB (2) 2M x 36 None 16MB None (2) 2M x 36 16MB (2) 1M x 36 (2) 1M x 36 24MB (2) 1M x 36 (2) 2M x 36 32MB (2) 4M x 36 None 32MB None (2) 4M x 36 32MB (2) 2M x 36 (2) 2M x 36 40MB (2) 1M x 36 (2) 4M x 36 48MB (2) 2M x 36 (2) 4M x 36 64MB (2) 8M x 36 None 64MB None (2) 8M x 36 64MB (2) 4M x 36 (2) 4M x 36 72MB (2) 1M x 36 (2) 8M x 36 80MB (2) 2M x 36 (2) 8M x 36 96MB (2) 4M x 36 (2) 8M x 36 128MB (2) 8M x 36 (2) 8M x 36 Note: Board accepts EDO memory. CACHE CONFIGURATION Size Bank 0 TAG 256KB (2) 32K x 32 (1) 8K/32K x 8 512KB (2) 64K x 32 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JP7 256KB Open 512KB Closed CPU SPEED SELECTION (CYRIX) CPU speed Clock Multiplier JP5 JP8 JP9 speed 120MHz 50MHz 2x 1 & 2, 3 Open Open & 4 133MHz 55MHz 2x Open Open Open 150MHz 60MHz 2x 1 & 2 Open Open 166MHz 66MHz 2x 3 & 4 Open Open Note: Pins designated should be in the closed position. CPU SPEED SELECTION (AMD) CPU speed Clock Multiplier JP5 JP8 JP9 speed 75MHz 50MHz 1.5x 1 & 2, Open Open 3 & 4 90MHz 60MHz 1.5x 1 & 2 Open Open 100MHz 66MHz 1.5x 3 & 4 Open Open 120MHz 60MHz 1.5x 1 & 2 Open Open 133MHz 66MHz 1.5x 3 & 4 Open Open 150MHz 60MHz 2x 1 & 2 Open Closed 166MHz 66MHz 2x 3 & 4 Open Closed Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL) CPU speed Clock Multiplier JP5 JP8 JP9 speed 75MHz 50MHz 1.5x 1 & 2, Open Open 3 & 4 90MHz 60MHz 1.5x 1 & 2 Open Open 100MHz 66MHz 1.5x 3 & 4 Open Open 120MHz 60MHz 2x 1 & 2 Open Closed 133MHz 66MHz 2x 3 & 4 Open Closed 150MHz 60MHz 2.5x 1 & 2 Closed Closed 166MHz 66MHz 2.5x 3 & 4 Closed Closed 180MHz 60MHz 3x 1 & 2 Closed Open 200MHz 66MHz 3x 3 & 4 Closed Open Note: Pins designated should be in the closed position. CPU TYPE SELECTION Type Voltage V i/O V core JP6 JP11 CX M1 Single 3.45v 3.5v 1 & 1 & 2 2, 3 & 4 AM K5 Single 3.45v 3.5v 1 & 1 & PRxxxAB/AC/AF 2 2, 3 & 4 P54C/CQS/CT Single 3.45v 3.5v 1 & 1 & 2 2, 3 & 4 AM K5 Dual 3.45v/3.5v 2.6v/2.9v 2 & Open PRxxxAH/AJ/AK 3 P55C/CT Dual 3.45v/3.5v 2.6v/2.9v 2 & Open 3 Note: Pins designated should be in the closed position. I/O VOLTAGE SELECTION (DUAL VOLTAGE CPU) Voltage JP12 3.45v Closed 3.5v Open CORE VOLTAGE SELECTION (DUAL VOLTAGE CPU) Voltage JP14 2.6v Closed 2.9v Open