SHUTTLE COMPUTER INTERNATIONAL, INC. HOT-555A Device Type Mainboard Processor CX 6X86/IBM 6X86/CX 6X86L/IBM 6X86L/AM K5/Pentium Processor Speed 75/90/100/120/125/133/150/166/180/200MHz Chip Set Intel Video Chip Set None Maximum Onboard 128MB (EDO & SDRAM supported) Memory Maximum Video None Memory Cache 256/512KB 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 connectors (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Floppy drive interface CN1 Power LED & keylock J14 Serial port 1 CN2 PS/2 mouse interface J99 Serial port 2 CN3 Chassis fan power JP1 Parallel port CN4 IR connector JP3 IDE interface 1 J6 Reset switch JP12 IDE interface 2 J7 Green PC connector JP15 USB connector J10 Green PC LED JP17 USB connector J11 IDE interface LED JP22 Speaker J12 32-bit PCI slots PC1 – PC4 USER CONFIGURABLE SETTINGS Function Label Position Flash BIOS voltage select 12v JP18 Pins 1 & 2 closed Flash BIOS voltage select 5v JP18 Pins 2 & 3 closed » CMOS memory normal operation JP45 Closed CMOS memory clear JP45 Open SIMM 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. DIMM CONFIGURATION Size Bank 2 Bank 3 8MB (1) 1M x 64 None 16MB (1) 2M x 64 None 16MB (1) 1M x 64 (1) 1M x 64 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. CACHE CONFIGURATION Size Bank 0 256KB (2) 32K x 32 512KB (2) 64K x 32 CPU SPEED SELECTION (CX 6X86) CPU speed Clock Multiplier JPA JPB JP37 speed 120MHz 50MHz 2x 1 & 2 2 & 3 1 & 2, 3 & 4, 5 & 6 133MHz 55MHz 2x 1 & 2 2 & 3 3 & 4, 5 & 6 150MHz 60MHz 2x 1 & 2 2 & 3 1 & 2, 3 & 4 166MHz 66MHz 2x 1 & 2 2 & 3 1 & 2, 5 & 6 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (IBM 6X86) CPU speed Clock Multiplier JPA JPB JP37 speed 120MHz 50MHz 2x 1 & 2 2 & 3 1 & 2, 3 & 4, 5 & 6 133MHz 55MHz 2x 1 & 2 2 & 3 3 & 4, 5 & 6 150MHz 60MHz 2x 1 & 2 2 & 3 1 & 2, 3 & 4 166MHz 66MHz 2x 1 & 2 2 & 3 1 & 2, 5 & 6 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (CX 6X86L) CPU speed Clock Multiplier JPA JPB JP37 speed 120MHz 50MHz 2x 1 & 2 2 & 3 1 & 2, 3 & 4, 5 & 6 133MHz 55MHz 2x 1 & 2 2 & 3 3 & 4, 5 & 6 150MHz 60MHz 2x 1 & 2 2 & 3 1 & 2, 3 & 4 166MHz 66MHz 2x 1 & 2 2 & 3 1 & 2, 5 & 6 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (IBM 6X86L) CPU speed Clock Multiplier JPA JPB JP37 speed 120MHz 50MHz 2x 1 & 2 2 & 3 1 & 2, 3 & 4, 5 & 6 133MHz 55MHz 2x 1 & 2 2 & 3 3 & 4, 5 & 6 150MHz 60MHz 2x 1 & 2 2 & 3 1 & 2, 3 & 4 166MHz 66MHz 2x 1 & 2 2 & 3 1 & 2, 5 & 6 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (AM K5) CPU speed Clock Multiplier JPA JPB JP37 speed 75MHz 50MHz 1.5x 2 & 3 2 & 3 1 & 2, 3 & 4, 5 & 6 90MHz 60MHz 1.5x 2 & 3 2 & 3 1 & 2, 3 & 4 100MHz 66MHz 1.5x 2 & 3 2 & 3 1 & 2, 5 & 6 120MHz 60MHz 1.5x 2 & 3 2 & 3 1 & 2, 3 & 4 133MHz 66MHz 1.5x 2 & 3 2 & 3 1 & 2, 5 & 6 150MHz 60MHz 1.75x 1 & 2 1 & 2 1 & 2, 3 & 4 166MHz 66MHz 1.75x 1 & 2 1 & 2 1 & 2, 5 & 6 200MHz 66MHz 2x 1 & 2 2 & 3 1 & 2, 5 & 6 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL) CPU speed Clock Multiplier JPA JPB JP37 speed 75MHz 50MHz 1.5x 2 & 3 2 & 3 1 & 2, 3 & 4, 5 & 6 90MHz 60MHz 1.5x 2 & 3 2 & 3 1 & 2, 3 & 4 100MHz 66MHz 1.5x 2 & 3 2 & 3 1 & 2, 5 & 6 120MHz 60MHz 2x 1 & 2 2 & 3 1 & 2, 3 & 4 125MHz 50MHz 2.5x 1 & 2 1 & 2 1 & 2, 3 & 4, 5 & 6 133MHz 66MHz 2x 1 & 2 2 & 3 1 & 2, 5 & 6 150MHz 60MHz 2.5x 1 & 2 1 & 2 1 & 2, 3 & 4 166MHz 66MHz 2.5x 1 & 2 1 & 2 1 & 2, 5 & 6 180MHz 60MHz 3x 2 & 3 1 & 2 1 & 2, 3 & 4 200MHz 66MHz 3x 2 & 3 1 & 2 1 & 2, 5 & 6 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL MMX) CPU speed Clock Multiplier JPA JPB JP37 speed 166MHz 66MHz 2.5x 1 & 2 1 & 2 1 & 2, 5 & 6 200MHz 66MHz 3x 2 & 3 1 & 2 1 & 2, 5 & 6 Note: Pins designated should be in the closed position. CPU VOLTAGE SELECTION Voltage JP33 JP34 JP39 JP43 2.8v Open Closed Open Pins 1 & 2 closed 2.9v Open Closed Pins 2 & 4 Pins 1 & 2 closed closed 3.1v Open Closed Pins 3 & 4 Pins 1 & 2 closed closed 3.3v Open Closed Pins 1 & 3 Pins 1 & 2 closed closed 3.5v Open Closed Pins 1 & 3, 2 Pins 1 & 2 & 4 closed closed CPU VOLTAGE SELECTION (DUAL) Voltage V core JP33 JP34 JP39 JP43 3.3v 2.8v 3 & 4, 5 Open Open 1 & 2 & 6 3.3v 2.9v 3 & 4, 5 Open 2 & 4 1 & 2 & 6 3.3v 3.1v 3 & 4, 5 Open 3 & 4 1 & 2 & 6 3.4v 2.8v 3 & 4, 5 Open Open 2 & 4 & 6 3.4v 2.9v 3 & 4, 5 Open 2 & 4 2 & 4 & 6 3.4v 3.1v 3 & 4, 5 Open 3 & 4 2 & 4 & 6 Note: Pins designated should be in the closed position.