BIOSTAR MICROTECH INTERNATIONAL CORPORATION 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 interface, serial ports (2), IR connector, USB connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Serial port 1 CN1 Power LED & J13 pins 5 - keylock 9 Serial port 2 CN2 Turbo LED J13 pins 10 & 11 Parallel port CN3 Reset switch J13 pins 12 & 13 Floppy drive CN4 Green PC connector J13 pins 17 & interface 18 IDE interface 2 CN5 IDE interface LED J13 pins 20 & 21 IDE interface 1 CN6 +5v ground J13 pins 25 & 26 USB connector J3 IR connector J14 PS/2 mouse J5 Chassis fan power JP13 interface Speaker J13 pins 1 - 32-bit PCI slots PC1 - PC3 4 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 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. 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, Open See note 3 & 4 133MHz 55MHz 2x Open Open See note 150MHz 60MHz 2x 1 & 2 Open See note 166MHz 66MHz 2x 3 & 4 Open See note Note: Pins designated should be in the closed position. If Rev. 2.2 is used, set JP9 to open. If Rev. 2.3 is used, set JP9 to closed. 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 JP6 JP11 CX M1 Pins 1 & 2 closed Pins 1 & 2, 3 & 4 closed AM K5 (PrxxxAB/AC/AF) Pins 1 & 2 closed Pins 1 & 2, 3 & 4 closed P54C/CQS/CT Pins 1 & 2 closed Pins 1 & 2, 3 & 4 closed AM K5 (PrxxxAH/AJ/AK) Pins 2 & 3 closed Open P55C/CT Pins 2 & 3 closed Open CPU VOLTAGE SELECTION (SINGLE) Voltage JP12 3.4v Closed 3.5v Open CPU VOLTAGE SELECTION (DUAL) Voltage V core JP12 JP14 3.4v 2.6v Closed Closed 3.4v 2.9v Open Closed 3.5v 2.6v Closed Open 3.5v 2.9v Open Open