KADATCO CO., LTD. AM-548 Device Type Mainboard Processor CX 6X86L/CX M2/IBM6X86L/IBM M2/AM K6/Pentium Processor Speed 75/90/100/120/133/150/166/180/200/233MHz Chip Set Intel Video Chip Set Unidentified Maximum Onboard 384MB (EDO & SDRAM supported) Unified Memory Memory Architecture (UMA) Cache 512KB BIOS Unidentified Dimensions 330mm x 218mm I/O Options 32-bit PCI slots (5), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connector, ATX power connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location ATX power ATX IR connector IR1 connector Serial port 1 CN1 Speaker J3/pins 1, 3, 5, 7 Serial port 2 CN2 Power LED & J3/pins 2, 4, keylock 6, 8, 10 Parallel port CN3 Turbo LED J3/pins 13 & 14 Floppy drive CN4 IDE interface J3/pins 15 & 16 interface LED IDE interface 1 CN5 Reset switch J3/pins 17 & 18 IDE interface 2 CN6 Green PC LED J3/pins 19 & 20 PS/2 mouse CN7 Green PC J3/pins 21 & 22 interface connector VGA interface CN8 32-bit PCI slots PC1 – PC4 Soft off power J1 USB connector USB supply Chassis fan power J2 USER CONFIGURABLE SETTINGS Function Label Position » CMOS memory normal operation JP2 Pins 1 & 2 closed CMOS memory clear JP2 Pins 2 & 3 closed On board video enabled JP3 Pins 2 & 3 closed On board video disabled JP3 Pins 1 & 2 closed PCI clock speed select CPU CLK/2 JP5D Pins 1 & 2 closed PCI clock speed select CPU CLK = JP5D Pins 2 & 3 33MHz closed 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 SIMM CONFIGURATION (CON’T) Size Bank 0 Bank 1 128MB (2) 8M x 36 (2) 8M x 36 128MB (2) 16M x 36 None 136MB (2) 16M x 36 (2) 1M x 36 144MB (2) 16M x 36 (2) 2M x 36 160MB (2) 16M x 36 (2) 4M x 36 192MB (2) 16M x 36 (2) 8M x 36 256MB (2) 16M x 36 (2) 16M x 36 Note: Board accepts EDO memory. It Is not recommended to install DIMMs & SIMMs at the same time. DIMM CONFIGURATION Size Bank 0 Bank 1 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. For maximum memory of 384MB, fully populate all 4 banks. DIMM/SIMM VOLTAGE CONFIGURATION Voltage JP4A JP4B 3.3v Pins 2 & 3 closed Pins 2 & 3 closed 5v Pins 1 & 2 closed Pins 1 & 2 closed CACHE CONFIGURATION Size Bank 0 512KB (2) 64K x 32 CPU SPEED SELECTION (CX 6X86L) CPU Clock Multiplier JP5A JP5B JP5C JP7A JP7B speed speed 120MHz 50MHz 2x 2 & 3 2 & 3 2 & 3 2 & 3 1 & 2 133MHz 55MHz 2x 1 & 2 2 & 3 2 & 3 2 & 3 1 & 2 150MHz 60MHz 2x 2 & 3 2 & 3 1 & 2 2 & 3 1 & 2 166MHz 66MHz 2x 2 & 3 1 & 2 2 & 3 2 & 3 1 & 2 200MHz 75MHz 2x 1 & 2 2 & 3 1 & 2 2 & 3 1 & 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (IBM 6X86L) CPU Clock Multiplier JP5A JP5B JP5C JP7A JP7B speed speed 120MHz 50MHz 2x 2 & 3 2 & 3 2 & 3 2 & 3 1 & 2 133MHz 55MHz 2x 1 & 2 2 & 3 2 & 3 2 & 3 1 & 2 150MHz 60MHz 2x 2 & 3 2 & 3 1 & 2 2 & 3 1 & 2 166MHz 66MHz 2x 2 & 3 1 & 2 2 & 3 2 & 3 1 & 2 200MHz 75MHz 2x 1 & 2 2 & 3 1 & 2 2 & 3 1 & 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (CX M2) CPU Clock Multiplier JP5A JP5B JP5C JP7A JP7B speed speed 166MHz 66MHz 2.5x 2 & 3 1 & 2 2 & 3 2 & 3 2 & 3 200MHz 66MHz 3x 2 & 3 1 & 2 2 & 3 1 & 2 2 & 3 233MHz 66MHz 3x 2 & 3 1 & 2 2 & 3 1 & 2 2 & 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (IBM M2) CPU Clock Multiplier JP5A JP5B JP5C JP7A JP7B speed speed 166MHz 66MHz 2.5x 2 & 3 1 & 2 2 & 3 2 & 3 2 & 3 200MHz 66MHz 3x 2 & 3 1 & 2 2 & 3 1 & 2 2 & 3 233MHz 66MHz 3x 2 & 3 1 & 2 2 & 3 1 & 2 2 & 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (AM K5) CPU Clock Multiplier JP3A JP3B JP3C JP8A JP8B speed speed 75MHz 50MHz 1.5x 2 & 3 2 & 3 2 & 3 1 & 2 1 & 2 90MHz 60MHz 1.5x 2 & 3 2 & 3 1 & 2 1 & 2 1 & 2 100MHz 66MHz 1.5x 2 & 3 1 & 2 2 & 3 1 & 2 1 & 2 120MHz 60MHz 2x 2 & 3 2 & 3 1 & 2 2 & 3 1 & 2 133MHz 66MHz 2x 2 & 3 1 & 2 2 & 3 2 & 3 1 & 2 150MHz 60MHz 2.5x 2 & 3 2 & 3 1 & 2 2 & 3 2 & 3 166MHz 66MHz 2.5x 2 & 3 1 & 2 2 & 3 2 & 3 2 & 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (AM K6) CPU Clock Multiplier JP5A JP5B JP5C JP7A JP7B speed speed 166MHz 66MHz 2.5x 2 & 3 1 & 2 2 & 3 2 & 3 2 & 3 200MHz 66MHz 3x 2 & 3 1 & 2 2 & 3 1 & 2 2 & 3 233MHz 66MHz 3.5x 2 & 3 1 & 2 2 & 3 1 & 2 1 & 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL) CPU Clock Multiplier JP3A JP3B JP3C JP8A JP8B speed speed 75MHz 50MHz 1.5x 2 & 3 2 & 3 2 & 3 1 & 2 1 & 2 90MHz 60MHz 1.5x 2 & 3 2 & 3 1 & 2 1 & 2 1 & 2 100MHz 66MHz 1.5x 2 & 3 1 & 2 2 & 3 1 & 2 1 & 2 120MHz 60MHz 2x 2 & 3 2 & 3 1 & 2 2 & 3 1 & 2 133MHz 66MHz 2x 2 & 3 1 & 2 2 & 3 2 & 3 1 & 2 150MHz 60MHz 2.5x 2 & 3 2 & 3 1 & 2 2 & 3 2 & 3 166MHz 66MHz 2.5x 2 & 3 1 & 2 2 & 3 2 & 3 2 & 3 180MHz 60MHz 3x 2 & 3 2 & 3 1 & 2 1 & 2 2 & 3 200MHz 66MHz 3x 2 & 3 1 & 2 2 & 3 1 & 2 2 & 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL MMX) CPU Clock Multiplier JP5A JP5B JP5C JP7A JP7B speed speed 166MHz 66MHz 2.5x 2 & 3 1 & 2 2 & 3 2 & 3 2 & 3 200MHz 66MHz 3x 2 & 3 1 & 2 2 & 3 1 & 2 2 & 3 233MHz 66MHz 3.5x 2 & 3 1 & 2 2 & 3 1 & 2 1 & 2 Note: Pins designated should be in the closed position. CPU TYPE SELECTION Type JP8A JP8B P54C Pins 2 & 3 closed Pins 2 & 3 closed IDT C6 Pins 2 & 3 closed Pins 2 & 3 closed CX M2 Pins 1 & 2 closed Pins 1 & 2 closed AM K6 Pins 1 & 2 closed Pins 1 & 2 closed CX 6X86L Pins 1 & 2 closed Pins 1 & 2 closed IBM 6X86L Pins 1 & 2 closed Pins 1 & 2 closed P55C Pins 1 & 2 closed Pins 1 & 2 closed CPU VOLTAGE SELECTION Voltage JP6A JP6B JP6C JP6D JP6E 2.5v Open Open Open Open Open 2.8v Open Open Open Open Closed 2.9v Open Open Open Closed Open 3.2v Open Open Closed Open Open 3.3v Open Closed Open Open Open 3.5v Closed Open Open Open Open