PIONEX TECHNOLOGIES, INC. MB-8500TUR Processor CX M1/AM K5/Pentium Processor Speed 75/90/100/120/133/150/166/180/200MHz Chip Set Unidentified Video Chip Set None Maximum Onboard 128MB (EDO supported) Memory Maximum Video None Memory Cache 256/512KB BIOS AMI Dimensions 285mm 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, serial ports (2), VGA interface, cache slot, IR connector, USB connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location PS/2 mouse J1 IR connector J15 interface PS/2 mouse port J5 Speaker J16 pins 1 - 4 VGA interface J6 Power LED & J16 pins 5 - keylock 9 Floppy drive J7 Turbo LED J16 pins 10 & interface 11 IDE interface 1 J8 Reset switch J16 pins 12 & 13 USB connector J9 Green PC connector J16 pins 17 & 18 Serial port 1 J10 IDE interface LED J16 pins 20 & 21 Serial port 2 J11 Ground connector J16 pins 25 & 26 Parallel port J12 32-bit PCI slots PC1 - PC3 IDE interface 2 J13 Cache slot SL1 Chassis fan power J14 USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not JP4 Unidentified alter » Factory configured - do not JP5 Unidentified alter » Factory configured - do not JP9 Unidentified alter » Factory configured - do not JP10 Unidentified alter » CMOS memory normal operation JP12 Open CMOS memory clear JP12 Closed Flash BIOS voltage select 5v JP13 Pins 1 & 2 closed Flash BIOS voltage select 12v JP13 Pins 2 & 3 closed Flash BIOS voltage select 0v JP13 Open or EPROM » Factory configured - do not JP16 Unidentified alter 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) 1M x 36 (2) 2M x 36 32MB (2) 4M x 36 None 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 (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. Bank 2 accepts DIMM modules CACHE CONFIGURATION Size Bank 0 TAG SL1 256KB (A) (2) 32K x 32 (1) 8K/32K x 8 Not installed 256KB (B) None None 256KB module installed 512KB (A) (2) 64K x 32 (1) 32K x 8 Not installed 512KB (B) (2) 32K x 32 (1) 8K x 8 256KB module installed 512KB (C) None None 512KB module installed CACHE JUMPER CONFIGURATION Size JP11 256KB Pins 1 & 2 closed 512KB Pins 2 & 3 closed CPU SPEED SELECTION (CYRIX) CPU speed Clock Multiplier JP1 JP2 JP6 speed 120MHz 50MHz 2x Open Open 1 & 2, 3 & 4 133MHz 55MHz 2x Open Open Open 150MHz 60MHz 2x Open Open 1 & 2 166MHz 66MHz 2x Open Open 3 & 4 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (AMD) CPU speed Clock Multiplier JP1 JP2 JP6 speed 75MHz 66MHz 1x Closed Open 3 & 4 75MHz 50MHz 1.5x Open Open 1 & 2, 3 & 4 90MHz 55MHz 1.5x Open Open Open 90MHz 60MHz 1.5x Open Open 1 & 2 100MHz 66MHz 1.5x Open Open 3 & 4 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL) CPU speed Clock Multiplier JP1 JP2 JP6 speed 75MHz 50MHz 1.5x Open Open 1 & 2, 3 & 4 90MHz 60MHz 1.5x Open Open 1 & 2 100MHz 66MHz 1.5x Open Open 3 & 4 120MHz 60MHz 2x Closed Open 1 & 2 133MHz 66MHz 2x Closed Open 3 & 4 150MHz 60MHz 2.5x Closed Closed 1 & 2 166MHz 66MHz 2.5x Closed Closed 3 & 4 180MHz 60MHz 3x Open Closed 1 & 2 200MHz 66MHz 3x Open Closed 3 & 4 Note: Pins designated should be in the closed position. CPU TYPE SELECTION Type JP7 JP14 JP15 CX M1 Open Pins 1 & 2 Pins 1 & 2, 3 & closed 4 closed AM K5 Open Pins 1 & 2 Pins 1 & 2, 3 & closed 4 closed P54C/CQS/CT Open Pins 1 & 2 Pins 1 & 2, 3 & closed 4 closed P55C/CT Closed Pins 2 & 3 Open closed CPU VOLTAGE SELECTION Voltage JP8 3.4v Closed 3.5v Open