SOLTEK COMPUTER, INC. SL-53A2, SL-53A5 Device Type Mainboard Processor CX 6X86/CX 6X86L/CX 6X86MX/AM K5/AM K6/Pentium/ Pentium MMX Processor Speed 75/90/100/120/133/150/166/180/200/233MHz Chip Set Intel 430VX Maximum Onboard 128MB DRAM (EDO supported) Memory Cache 256/512KB BIOS Award I/O Options 32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), USB connectors (2), green PC connector Dimensions 250mm x 220mm [Image] CONNECTIONS Purpose Location Purpose Location PS/2 mouse port CN1 IR connector J1B Parallel port CN2 Green PC connector J1C Floppy drive interface CN3 Speaker J2A Serial port 1 CN4 Reset switch J2B Serial port 2 CN5 Power LED & keylock J2C IDE interface 1 CN6 Turbo LED J2D IDE interface 2 CN7 32-bit PCI slots PC1 - PC4 IDE interface LED J1A USB connector USB USER CONFIGURABLE SETTINGS Function Label Position » CMOS normal operation JP6 Pins 1 & 2 closed CMOS clear JP6 Pins 2 & 3 closed » Factory configured - do not alter JP14 Pins 1 & 2 closed » Factory configured - do not alter JP19 Open DRAM CONFIGURATION Size Bank 0 Bank 1 8MB (2) 1MB x 36 None 16MB (2) 1MB x 36 (2) 1MB x 36 16MB (2) 2MB x 36 None 24MB (2) 2MB x 36 (2) 1MB x 36 32MB (2) 2MB x 36 (2) 2MB x 36 32MB (2) 4MB x 36 None 40MB (2) 4MB x 36 (2) 1MB x 36 48MB (2) 4MB x 36 (2) 2MB x 36 64MB (2) 4MB x 36 (2) 4MB x 36 64MB (2) 8MB x 36 None 72MB (2) 8MB x 36 (2) 1MB x 36 80MB (2) 8MB x 36 (2) 2MB x 36 96MB (2) 8MB x 36 (2) 4MB x 36 128MB (2) 8MB x 36 (2) 8MB x 36 CPU SPEED SELECTION (CX 6X86) Speed Clock Multiplier JP2 JP3 JP11 JP12 JP21 JP22 speed 120MHz 50MHz 2x 1 & 1 & 2 & 1 & 1&2, 1&2, 2 2 3 2 4&5 4&5 133MHz 55MHz 2x 2 & 2 & 2 & 1 & 1&2, 1&2, 3 3 3 2 4&5 4&5 150MHz 60MHz 2x 1 & 2 & 2 & 1 & 1&2, 1&2, 2 3 3 2 4&5 4&5 166MHz 66MHz 2x 2 & 1 & 2 & 1 & 1&2, 1&2, 3 2 3 2 4&5 4&5 Note: Numbers designate pins that should be in the closed position. CPU SPEED SELECTION (CX 6X86L) Speed Clock Multiplier JP2 JP3 JP11 JP12 JP21 JP22 speed 120MHz 50MHz 2x 1 & 1 & 2 & 1 & 2&3, 2&3, 2 2 3 2 5&6 5&6 133MHz 55MHz 2x 2 & 2 & 2 & 1 & 2&3, 2&3, 3 3 3 2 5&6 5&6 150MHz 60MHz 2x 1 & 2 & 2 & 1 & 2&3, 2&3, 2 3 3 2 5&6 5&6 166MHz 66MHz 2x 2 & 1 & 2 & 1 & 2&3, 2&3, 3 2 3 2 5&6 5&6 Note: Numbers designate pins that should be in the closed position. CPU SPEED SELECTION (CX 6X86MX) Speed Clock Multiplier JP2 JP3 JP11 JP12 JP21 JP22 speed 166MHz 60MHz 2.5x 2 & 1 & 2 & 2 & 2&3, 2&3, 3 2 3 3 5&6 5&6 200MHz 66MHz 2.5x 2 & 1 & 1 & 2 & 2&3, 2&3, 3 2 2 3 5&6 5&6 233MHz 66MHz 3x 2 & 1 & 2 & 1 & 2&3, 2&3, 3 2 3 2 5&6 5&6 Note: Numbers designate pins that should be in the closed position. CPU SPEED SELECTION (AM K5) Speed Clock Multiplier JP2 JP3 JP11 JP12 JP21 JP22 speed 75MHz 50MHz 1.5x 1 & 1 & 1 & 1 & 1&2, 1&2, 2 2 2 2 4&5 4&5 90MHz 60MHz 1.5x 1 & 2 & 1 & 1 & 1&2, 1&2, 2 3 2 2 4&5 4&5 100MHz 66MHz 1.5x 2 & 1 & 1 & 1 & 1&2, 1&2, 3 2 2 2 4&5 4&5 120MHz 60MHz 1.5x 1 & 2 & 1 & 1 & 1&2, 1&2, 2 3 2 2 4&5 4&5 133MHz 66MHz 1.5x 2 & 1 & 1 & 1 & 1&2, 1&2, 3 2 2 2 4&5 4&5 150MHz 60MHz 2x 2 & 1 & 2 & 2 & 1&2, 1&2, 3 2 3 3 4&5 4&5 166MHz 66MHz 2.5x 1 & 2 & 2 & 2 & 1&2, 1&2, 2 3 3 3 4&5 4&5 Note: Numbers designate pins that should be in the closed position. CPU SPEED SELECTION (AM K6) Speed Clock Multiplier JP2 JP3 JP11 JP12 JP21 JP22 speed 166MHz 66MHz 2.5x 2 & 1 & 2 & 2 & 2&3, 2&3, 3 2 3 3 5&6 5&6 200MHz 66MHz 3x 2 & 1 & 1 & 2 & 2&3, 2&3, 3 2 2 3 5&6 5&6 233MHz 66MHz 3.5x 2 & 1 & 1 & 1 & 2&3, 2&3, 3 2 2 2 5&6 5&6 Note: Numbers designate pins that should be in the closed position. CPU SPEED SELECTION (PENTIUM) Speed Clock Multiplier JP2 JP3 JP11 JP12 JP21 JP22 speed 75MHz 50MHz 1.5x 1 & 1 & 1 & 1 & 1&2, 1&2, 2 2 2 2 4&5 4&5 90MHz 60MHz 1.5x 1 & 2 & 1 & 1 & 1&2, 1&2, 2 3 2 2 4&5 4&5 100MHz 66MHz 1.5x 2 & 1 & 1 & 1 & 1&2, 1&2, 3 2 2 2 4&5 4&5 120MHz 60MHz 2x 1 & 2 & 2 & 1 & 1&2, 1&2, 2 3 3 2 4&5 4&5 133MHz 66MHz 2x 2 & 1 & 2 & 1 & 1&2, 1&2, 3 2 3 2 4&5 4&5 150MHz 60MHz 2.5x 1 & 2 & 2 & 2 & 1&2, 1&2, 2 3 3 3 4&5 4&5 166MHz 66MHz 2.5x 2 & 1 & 2 & 2 & 1&2, 1&2, 3 2 3 3 4&5 4&5 180MHz 60MHz 3x 1 & 2 & 1 & 2 & 1&2, 1&2, 2 3 2 3 4&5 4&5 200MHz 66MHz 3x 2 & 1 & 1 & 2 & 1&2, 1&2, 3 2 2 3 4&5 4&5 Note: Numbers designate pins that should be in the closed position. CPU SPEED SELECTION (PENTIUM MMX) Speed Clock Multiplier JP2 JP3 JP11 JP12 JP21 JP22 speed 166MHz 66MHz 2.5x 2 & 1 & 2 & 2 & 2&3, 2&3, 3 2 3 3 5&6 5&6 200MHz 60MHz 3x 2 & 1 & 1 & 2 & 2&3, 2&3, 3 2 2 3 5&6 5&6 233MHz 66MHz 3.5x 2 & 1 & 1 & 1 & 2&3, 2&3, 3 2 2 2 5&6 5&6 Note: Numbers designate pins that should be in the closed position. CPU VOLTAGE SELECTION (SINGLE) Voltage JP14 JP23 3.38v Pins 2 & 3 closed Pins 1 & 2 closed » 3.52v Pins 1 & 2 closed Pins 4 & 5 closed CPU VOLTAGE SELECTION (DUAL) Voltage V core JP14 JP23 3.52v 2.8v Pins 1 & 2 closed Pins 5 & 6 closed 3.52v 2.9v Pins 1 & 2 closed Pins 2 & 3 closed