KADATCO CO., LTD. AM-538 Device Type Mainboard Processor CX 6X86/IBM 6X86/CX 686MX/IBM 6X86MX/AM K5/AM K6/Pentium Processor Speed 75/90/100/120/133/150/166/180/200/233MHz Chip Set VIA Video Chip Set None Maximum Onboard 256MB (EDO & SDRAM supported) Memory Maximum Video None Memory Cache 256/512KB BIOS Award 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 interface, serial ports (2), USB connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Power LED & CN1/pins 1 - IDE interface 1 CN5 keylock 5 Speaker CN1/pins 7 - IDE interface 2 CN6 10 IDE interface LED CN1/pins 12 & Floppy drive CN7 24 interface Green PC CN1/pins 17 & Serial port 2 CN8 connector 18 Reset switch CN1/pins 21 & Parallel port CN9 22 Serial port 1 CN3 USB connector J3 PS/2 mouse CN4 32-bit PCI slots PC1 – PC4 interface USER CONFIGURABLE SETTINGS Function Label Position » CMOS memory normal operation JBAT Pins 1 & 2 closed CMOS memory clear JBAT Pins 2 & 3 closed » Factory configured - do not JCK4 Unidentified alter » Factory configured - do not J1 Unidentified alter » Factory configured - do not J2 Unidentified alter » Factory configured - do not CN2 Unidentified alter SIMM CONFIGURATION Size Bank 0 4MB (2) 512K x 36 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 256MB (2) 32M 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 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 DIMM CONFIGURATION (CON’T) Size Bank 0 Bank 1 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) 16M x 64 None 128MB (1) 8M x 64 (1) 8M x 64 136MB (1) 16M x 64 (1) 1M x 64 144MB (1) 16M x 64 (1) 2M x 64 160MB (1) 16M x 64 (1) 4M x 64 192MB (1) 16M x 64 (1) 8M x 64 256MB (1) 16M x 64 (1) 16M x 64 Note: Board accepts SDRAM memory. DIMM VOLTAGE CONFIGURATION Voltage JACK1 JACK2 » 3.3v Pins 1 & 2 closed Pins 1 & 2 closed 5v Pins 2 & 3 closed Pins 2 & 3 closed CACHE CONFIGURATION Note: The location of the 256KB/512KB is unidentified. CPU SPEED SELECTION (CX 6X86) CPU Clock Multiplier JBF1 JBF2 JBF3 JCK5 JCK6 JCK7 speed speed 120MHz 50MHz 2x 1 & 2 & Open 2 & 2 & 2 & 2 3 3 3 3 133MHz 55MHz 2x 1 & 2 & Open 2 & 2 & 1 & 2 3 3 3 2 150MHz 60MHz 2x 1 & 2 & Open 1 & 2 & 2 & 2 3 2 3 3 166MHz 66MHz 2x 1 & 2 & Open 2 & 1 & 2 & 2 3 3 2 3 200MHz 75MHz 2x 1 & 2 & Open 1 & 2 & 1 & 2 3 2 3 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (IBM 6X86) CPU Clock Multiplier JBF1 JBF2 JBF3 JCK5 JCK6 JCK7 speed speed 166MHz 66MHz 2.5x 1 & 2 & Open 2 & 1 & 2 & 2 3 3 2 3 200MHz 75MHz 2x 1 & 2 & Open 1 & 2 & 1 & 2 3 2 3 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (CX 6X86MX) CPU Clock Multiplier JBF1 JBF2 JBF3 JCK5 JCK6 JCK7 speed speed 166MHz 60MHz 2.5x 1 & 1 & Open 1 & 2 & 2 & 2 2 2 3 3 200MHz 66MHz 3x 1 & 1 & Open 2 & 1 & 2 & 2 2 3 2 3 233MHz 75MHz 2.5x 1 & 1 & Open 1 & 2 & 1 & 2 2 2 3 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (IBM 6X86MX) CPU Clock Multiplier JBF1 JBF2 JBF3 JCK5 JCK6 JCK7 speed speed 166MHz 60MHz 2.5x 1 & 1 & Open 1 & 2 & 2 & 2 2 2 3 3 200MHz 66MHz 3x 1 & 1 & Open 2 & 1 & 2 & 2 2 3 2 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (AM K5) CPU Clock Multiplier JBF1 JBF2 JBF3 JCK5 JCK6 JCK7 speed speed 75MHz 50MHz 1.5x 2 & 2 & Open 2 & 2 & 2 & 3 3 3 3 3 90MHz 60MHz 1.5x 2 & 2 & Open 1 & 2 & 2 & 3 3 2 3 3 100MHz 66MHz 1.5x 2 & 2 & Open 2 & 1 & 2 & 3 3 3 2 3 120MHz 60MHz 2x 2 & 2 & Open 1 & 2 & 2 & 3 3 2 3 3 133MHz 66MHz 2x 2 & 2 & Open 2 & 1 & 2 & 3 3 3 2 3 150MHz 60MHz 2.5x 1 & 2 & Open 1 & 2 & 2 & 2 3 2 3 3 166MHz 66MHz 2.5x 1 & 1 & Open 2 & 1 & 2 & 2 2 3 2 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (AM K6) CPU Clock Multiplier JBF1 JBF2 JBF3 JCK5 JCK6 JCK7 speed speed 166MHz 66MHz 2.5x 1 & 1 & Open 2 & 1 & 2 & 2 2 3 2 3 200MHz 66MHz 3x 2 & 1 & Open 2 & 1 & 2 & 3 2 3 2 3 233MHz 66MHz 3.5x 2 & 2 & Open 2 & 1 & 2 & 3 3 3 2 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL) CPU Clock Multiplier JBF1 JBF2 JBF3 JCK5 JCK6 JCK7 speed speed 75MHz 50MHz 1.5x 2 & 2 & Open 2 & 2 & 2 & 3 3 3 3 3 90MHz 60MHz 1.5x 2 & 2 & Open 1 & 2 & 2 & 3 3 2 3 3 100MHz 66MHz 1.5x 2 & 2 & Open 2 & 1 & 2 & 3 3 3 2 3 120MHz 60MHz 2x 1 & 2 & Open 1 & 2 & 2 & 2 3 2 3 3 133MHz 66MHz 2x 1 & 2 & Open 2 & 1 & 2 & 2 3 3 2 3 150MHz 60MHz 2.5x 1 & 1 & Open 1 & 2 & 2 & 2 2 2 3 3 166MHz 66MHz 2.5x 1 & 1 & Open 2 & 1 & 2 & 2 2 3 2 3 180MHz 60MHz 3x 2 & 1 & Open 1 & 2 & 2 & 3 2 2 3 3 200MHz 66MHz 3x 2 & 1 & Open 2 & 1 & 2 & 3 2 3 2 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (IMTEL MMX) CPU Clock Multiplier JBF1 JBF2 JBF3 JCK5 JCK6 JCK7 speed speed 166MHz 66MHz 2.5x 1 & 1 & Open 2 & 1 & 2 & 2 2 3 2 3 200MHz 66MHz 3x 2 & 1 & Open 2 & 1 & 2 & 3 2 3 2 3 233MHz 66MHz 3.5x 2 & 2 & Open 2 & 1 & 2 & 3 3 3 2 3 Note: Pins designated should be in the closed position. CPU VOLTAGE SELECTION Voltage JCK1 JCK2 JCK3 1.8v Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed 1.9v Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed 2.0v Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed 2.1v Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed 2.2v Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed 2.3v Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed 2.4v Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed 2.5v Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed 2.6v Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed 2.7v Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed 2.8v Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed 2.9v Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed 3.0v Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed 3.1v Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed 3.2v Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed » 3.3v Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 closed closed closed 3.4v Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 closed closed closed 3.5v Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 closed closed closed CPU VOLTAGE SELECTION Voltage JP1/pins JP1/pins JP1/pins JP1/pins JP1/pins 9 1 & 2 3 & 4 5 & 6 7 & 8 &10 1.8v Open Open Open Open Open 1.9v Open Open Open Open Closed 2.0v Open Open Open Closed Open 2.1v Open Open Open Closed Closed 2.2v Open Open Closed Open Open 2.3v Open Open Closed Open Closed 2.4v Open Open Closed Closed Open 2.5v Open Open Closed Closed Closed 2.6v Open Closed Open Open Open 2.7v Open Closed Open Open Closed 2.8v Open Closed Open Closed Open 2.9v Open Closed Open Closed Closed 3.0v Open Closed Closed Open Open 3.1v Open Closed Closed Open Closed 3.2v Open Closed Closed Closed Open » 3.3v Open Closed Closed Closed Closed 3.4v Closed Open Open Open Open 3.5v Closed Open Open Open Closed