LUCKY STAR TECHNOLOGY CO., LTD. 5TX2B Device Type Mainboard Processor CX 6X86/CX 6X86L/CX 686MX/CX M II/AM K5/AM K6/ AM K6-2/Pentium/Pentium MMX Processor Speed 75/90/100/120/133/150/166/180/200/233/266/300MHz Chip Set Intel 430TX Video Chip Set None Maximum Onboard 128MB (EDO & SDRAM supported) Memory Maximum Video None Memory Cache 512KB BIOS Award Dimensions 230mm x 220mm 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 connector, SB-link connector [Image] CONNECTIONS Purpose Location Purpose Location Chassis fan power C1 IR connector IR1 PS/2 mouse C2 SB-link connector JP4 interface USB connector J1 Power LED & JP11/pins 1 – 5 keylock Serial port J2 Speaker JP11/pins 7 – 10 Serial port J3 Reset switch JP11/pins 12 & 13 Parallel port J4 IDE interface LED JP11/pins 15 & 16 IDE interface 1 J5 Turbo LED JP11/pins 18 & 19 IDE interface 2 J6 Green PC JP11/pins 21 & connector 22 CPU fan power J7 32-bit PCI slots PC1 – PC4 USER CONFIGURABLE SETTINGS Function Label Position Flash BIOS voltage select 12v JP1 Closed Flash BIOS voltage select 5v JP1 Open » CMOS memory normal operation JP2 Closed CMOS memory clear JP2 Open » Factory configured - do not JP16 Unidentified alter PCI CLK select asynchronous JP17 Pins 1 & 2 closed PCI CLK select synchronous JP17 Pins 2 & 3 closed SIMM CONFIGURATION Size Bank 0 8MB (2) 1M x 36 16MB (2) 2M x 36 32MB (2) 4M x 36 64MB (2) 8M x 36 128MB (2) 16M x 36 Note: Board accepts EDO memory. DIMM CONFIGURATION Size Bank 1 Bank 2 8MB (1) 1M x 64 None 16MB (1) 2M x 64 None 16MB (1) 1M x 64 (1) 1M x 64 DIMM CONFIGURATION (CON’T) Size Bank 1 Bank 2 24MB (1) 2M x 64 (1) 1M x 64 32MB (1) 4M x 64 None 32MB (1) 2M x 64 (1) 2M x 64 40MB (1) 4M x 64 (1) 1M x 64 48MB (1) 4M x 64 (1) 2M x 64 64MB (1) 8M x 64 None 64MB (1) 4M x 64 (1) 4M x 64 72MB (1) 8M x 64 (1) 1M x 64 80MB (1) 8M x 64 (1) 2M x 64 96MB (1) 8M x 64 (1) 4M x 64 128MB (1) 8M x 64 (1) 8M x 64 Note: Board accepts SDRAM memory. DIMM VOLTAGE CONFIGURATION Voltage JP5 3.3v Pins 1 & 3, 2 & 4 closed 5v Pins 3 & 5, 4 & 6 closed CACHE CONFIGURATION Size Bank 0 512KB (2) 64K x 32 CPU SPEED SELECTION (CX 6X86) CPU Clock Multiplier JP7 JP8 JP9 JP12 JP13 speed speed 120MHz 50MHz 2x 1 & 1 & 1 & 2 & 3 1 & 2 2 2 2 133MHz 55MHz 2x 1 & 1 & 2 & 2 & 3 1 & 2 2 2 3 150MHz 60MHz 2x 2 & 1 & 1 & 2 & 3 1 & 2 3 2 2 166MHz 66MHz 2x 1 & 2 & 1 & 2 & 3 1 & 2 2 3 2 200MHz 75MHz 2x 2 & 1 & 2 & 2 & 3 1 & 2 3 2 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (CX 6X86L) CPU Clock Multiplier JP7 JP8 JP9 JP12 JP13 speed speed 133MHz 55MHz 2x 1 & 1 & 2 & 2 & 3 1 & 2 2 2 3 150MHz 60MHz 2x 2 & 1 & 1 & 2 & 3 1 & 2 3 2 2 166MHz 66MHz 2x 1 & 2 & 1 & 2 & 3 1 & 2 2 3 2 200MHz 75MHz 2x 2 & 1 & 2 & 2 & 3 1 & 2 3 2 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (CX 6X86MX) CPU Clock Multiplier JP7 JP8 JP9 JP12 JP13 speed speed 166MHz 60MHz 2.5x 2 & 1 & 1 & 2 & 3 2 & 3 3 2 2 166MHz 66MHz 2x 1 & 2 & 1 & 2 & 3 1 & 2 2 3 2 200MHz 75MHz 2x 2 & 1 & 2 & 2 & 3 1 & 2 3 2 3 233MHz 75MHz 2.5x 2 & 1 & 2 & 2 & 3 2 & 3 3 2 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (CX M II) CPU Clock Multiplier JP7 JP8 JP9 JP12 JP13 speed speed 300MHz 66MHz 3.5x 1 & 2 & 1 & 1 & 2 1 & 2 2 3 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (AM K5) CPU Clock Multiplier JP7 JP8 JP9 JP12 JP13 speed speed 75MHz 50MHz 1.5x 1 & 1 & 1 & 1 & 2 1 & 2 2 2 2 90MHz 60MHz 1.5x 2 & 1 & 1 & 1 & 2 1 & 2 3 2 2 100MHz 66MHz 1.5x 1 & 2 & 1 & 1 & 2 1 & 2 2 3 2 120MHz 60MHz 1.5x 2 & 1 & 1 & 1 & 2 1 & 2 3 2 2 133MHz 66MHz 1.5x 1 & 2 & 1 & 1 & 2 1 & 2 2 3 2 150MHz 60MHz 2.5x 2 & 1 & 1 & 2 & 3 2 & 3 3 2 2 166MHz 66MHz 2.5x 1 & 2 & 1 & 2 & 3 2 & 3 2 3 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (AM K6) CPU Clock Multiplier JP7 JP8 JP9 JP12 JP13 speed speed 166MHz 66MHz 2.5x 1 & 2 & 1 & 2 & 3 2 & 3 2 3 2 200MHz 66MHz 3x 1 & 2 & 1 & 1 & 2 2 & 3 2 3 2 233MHz 66MHz 3.5x 1 & 2 & 1 & 1 & 2 1 & 2 2 3 2 266MHz 66MHz 4x 1 & 2 & 1 & 2 & 3 1 & 2 2 3 2 300MHz 66MHz 4.5x 1 & 2 & 1 & 2 & 3 2 & 3 2 3 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (AM K6-2) CPU Clock Multiplier JP7 JP8 JP9 JP12 JP13 speed speed 266MHz 66MHz 4x 1 & 2 & 1 & 2 & 3 1 & 2 2 3 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL) CPU Clock Multiplier JP7 JP8 JP9 JP12 JP13 speed speed 75MHz 50MHz 1.5x 1 & 1 & 1 & 1 & 2 1 & 2 2 2 2 90MHz 60MHz 1.5x 2 & 1 & 1 & 1 & 2 1 & 2 3 2 2 100MHz 66MHz 1.5x 1 & 2 & 1 & 1 & 2 1 & 2 2 3 2 120MHz 60MHz 2x 2 & 1 & 1 & 2 & 3 1 & 2 3 2 2 133MHz 66MHz 2x 1 & 2 & 1 & 2 & 3 1 & 2 2 3 2 150MHz 60MHz 2.5x 2 & 1 & 1 & 2 & 3 2 & 3 3 2 2 166MHz 66MHz 2.5x 1 & 2 & 1 & 2 & 3 2 & 3 2 3 2 180MHz 60MHz 3x 2 & 1 & 1 & 1 & 2 2 & 3 3 2 2 200MHz 66MHz 3x 1 & 2 & 1 & 1 & 2 2 & 3 2 3 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL MMX) CPU Clock Multiplier JP7 JP8 JP9 JP12 JP13 speed speed 166MHz 66MHz 2.5x 1 & 2 & 1 & 2 & 3 2 & 3 2 3 2 200MHz 66MHz 3x 1 & 2 & 1 & 1 & 2 2 & 3 2 3 2 233MHz 66MHz 3.5x 1 & 2 & 1 & 1 & 2 1 & 2 2 3 2 Note: Pins designated should be in the closed position. CPU TYPE SELECTION Type JP14 All CPUs Pins 1 & 2 closed AM K6266/300MHz only Pins 2 & 3 closed CPU VOLTAGE SELECTION Voltage JP6 Single voltage CPU Open Dual voltage CPU Pins 1 & 2, 3 & 4, 5 & 6 closed CPU VOLTAGE SELECTION Voltage JP15/pins 1 JP15/pins 3 JP15/pins 5 JP15/pins 7 & & 2 & 4 & 6 8 2.0v Open Open Open Open 2.1v Closed Open Open Open 2.2v Open Closed Open Open 2.3v Closed Closed Open Open 2.4v Open Open Closed Open 2.5v Closed Open Closed Open 2.6v Open Closed Closed Open 2.7v Closed Closed Closed Open 2.8v Open Open Open Closed 2.9v Closed Open Open Closed 3.0v Open Closed Open Closed 3.1v Closed Closed Open Closed 3.2v Open Open Closed Closed 3.3v Closed Open Closed Closed 3.4v Open Closed Closed Closed 3.5v Closed Closed Closed Closed