SOYO COMPUTER CO., LTD. 5XB5 Processor CX 6X86/CX 6X86L/CX 6X86MX/AM K5/AM K6/Pentium Processor Speed 75/90/100/120/133/150/166/180/200/233MHz Chip Set Unidentified Video Chip Set None Maximum Onboard 256MB (EDO supported) Memory Maximum Video None Memory Cache 512KB BIOS Unidentified 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 port, serial ports (2), IR connector, USB connector, ATX connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location ATX power connector ATX Speaker J18 Floppy drive interface CN1 Reset switch J19 Parallel port CN2 Turbo LED J22 Serial port 2 CN3 IDE interface LED J24 Serial port 1 CN4 CPU cooling fan JP43 IDE interface 2 CN5 Wake on LAN connector JP44 IDE interface 1 CN6 32-bit PCI slots PC1 – PC4 PS/2 mouse port CN7 Soft off power supply PW2 IR connector IR1 USB connector USB Power LED & keylock J17 USER CONFIGURABLE SETTINGS Function Label Position » Power supply select AT JP1 Closed Power supply select ATX JP1 Open » CMOS memory normal operation JP5 Pins 1 & 2 closed CMOS memory clear JP5 Pins 2 & 3 closed » Flash BIOS select SST, MXIC, JP38 Pins 2 & 3 WINBON, ATMEL closed Flash BIOS Intel JP38 Pins 1 & 2 closed CE test disabled JP40 Closed CE test enabled JP40 Open DIMM/SIMM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 8MB None (1) 1M x 64 None None 8MB (2) 1M x 36 None None None 16MB None (1) 2M x 64 None None 16MB (2) 2M x 36 None None None 16MB None (1) 1M x 64 (1) 1M x 64 None 16MB (2) 1M x 36 (1) 1M x 64 None None 24MB None (1) 1M x 64 (1) 1M x 64 (1) 1M x 64 24MB (2) 1M x 36 (1) 1M x 64 (1) 1M x 64 None 32MB None (1) 4M x 64 None None 32MB (2) 4M x 36 None None None 32MB None (1) 2M x 64 (1) 2M x 64 None 32MB (2) 1M x 36 (1) 1M x 64 (1) 1M x 64 (1) 1M x 64 40MB (2) 1M x 36 (1) 2M x 64 (1) 2M x 64 None 40MB (2) 1M x 36 None (1) 4M x 64 None 48MB None (1) 2M x 64 (1) 2M x 64 (1) 2M x 64 64MB None (1) 8M x 64 None None DIMM/SIMM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 64MB (2) 8M x 36 None None None 64MB None (1) 4M x 64 (1) 4M x 64 None 72MB (2) 1M x 36 None (1) 8M x 64 None 128MB (2) 16M x 36 None None None 256MB (2) 8M x 36 (1) 8M x 64 (1) 8M x 64 None Note: Board accepts EDO memory. DIMM VOLTAGE CONFIGURATION Voltage JP37A JP37B 3.3v Pins 2 & 3 closed Pins 2 & 3 closed 5v Pins 1 & 2 closed Pins 1 & 2 closed CACHE CONFIGURATION Size Bank 0 TAG 512KB (2) 64K x 32 (1) 32K x 8 CPU SPEED SELECTION (CX 6X86/6X 86L) CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 speed speed 150MHz 60MHz 2x On Off On Off Off Off 166MHz 66MHz 2x On Off Off Off Off Off 200MHz 75MHz 2x On Off Off On Off Off CPU SPEED SELECTION (CX 6X86MX) CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 speed speed 166MHz 60MHz 2.5x On On On Off Off Off 166MHz 66MHz 2x On Off Off Off Off Off 200MHz 66MHz 2.5x On On Off Off Off Off 200MHz 75MHz 2x On Off Off On Off Off 233MHz 66MHz 3x Off On Off Off Off Off 233MHz 75MHz 2.5x On On Off On Off Off CPU SPEED SELECTION (AM K5) CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 speed speed 75MHz 50MHz 1.5x Off Off On On On Off 90MHz 60MHz 1.5x Off Off On Off Off Off 100MHz 66MHz 1.5x Off Off Off Off Off Off 120MHz 60MHz 1.5x Off Off On Off Off Off 133MHz 66MHz 1.5x Off Off Off Off Off Off 150MHz 60MHz 2.5x On On On Off Off Off 166MHz 66MHz 2.5x On On Off Off Off Off CPU SPEED SELECTION (AM K6) CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 speed speed 166MHz 66MHz 2.5x On On Off Off Off Off 200MHz 66MHz 3x Off On Off Off Off Off 233MHz 66MHz 3.5x Off Off Off Off Off Off CPU SPEED SELECTION (INTEL) CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 speed speed 75MHz 50MHz 1.5x Off Off On On On Off 90MHz 60MHz 1.5x Off Off On Off Off Off 100MHz 66MHz 1.5x Off Off Off Off Off Off 120MHz 60MHz 2x On Off On Off Off Off 133MHz 66MHz 2x On Off Off Off Off Off 150MHz 60MHz 2.5x On On On Off Off Off 166MHz 66MHz 2.5x On On Off Off Off Off 180MHz 60MHz 3x Off On On Off Off Off 200MHz 66MHz 3x Off On Off Off Off Off 233MHz 66MHz 3.5x Off Off Off Off Off Off CPU VOLTAGE SELECTION (SINGLE) Voltage JP30 3.3v Pins 1 & 2, 9 & 10 closed » 3.52v Pins 1 & 2, 11 & 12 closed CPU VOLTAGE SELECTION (DUAL) Voltage JP30 2.1v Pins 5 & 6 closed » 2.8v Pins 1 & 2, 11 & 12 closed 2.9v Pins 1 & 2, 5 & 6 closed 3.2v Pins 1 & 2, 7 & 8 closed MISCELLANEOUS TECHNICAL NOTE If board has problems detecting voltage on older version non Intel CPUs, remove the jumper from JP9.