M TECHNOLOGY, INC. R539 MIG Device Type Mainboard Processor CX 6X86/IBM 6X86/CX 6X86L/IBM 6X86L/AM K5/ AM K6/Pentium/Pentium MMX Processor Speed 90/100/120/133/150/166/180/200/233MHz Chip Set Intel Video Chip Set None Maximum Onboard 256MB (EDO & SDRAM supported) Memory Maximum Video None Memory Cache 512KB BIOS Award Dimensions 280mm x 220mm I/O Options 32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connectors (2), ATX power connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location ATX power connector ATX Floppy drive CN4 interface Power LED & keylock C1 IDE interface 2 CN5 Speaker C2 IDE interface 1 CN6 Reset switch C3 PS/2 mouse interface CN7 IDE interface LED C4 IR connector IR1 Soft off power supply C5 32-bit PCI slots PC1 – PC4 Serial port 2 CN1 USB connector 1 USB1 Serial port 1 CN2 USB connector 2 USB2 Parallel port CN3 USER CONFIGURABLE SETTINGS Function Label Position » Power supply type select ATX C6 Closed Power supply type select AT C6 Open » Factory configured - do not JP10 Unidentified alter » CMOS memory normal operation JP18 Pins 1 & 2 closed CMOS memory clear JP18 Pins 2 & 3 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 128MB (2) 8M x 36 (2) 8M x 36 128MB (2) 16M x 36 None 136MB (2) 16M x 36 (2) 1M x 36 SIMM CONFIGURATION (CON’T) Size Bank 0 Bank 1 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. 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) 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 JP1 3.3v Pins 3 & 5, 4 & 6 closed 5v Pins 1 & 3, 2 & 4 closed CACHE CONFIGURATION Size Bank 0 512KB (2) 64K x 32 CPU SPEED SELECTION (CX 6X86) CPU Clock Multiplier JP2 JP3 JP7 JP8 JP9 speed speed 133MHz 55MHz 2x Closed Closed Open Open Closed 150MHz 60MHz 2x Closed Open Closed Open Closed 166MHz 66MHz 2x Open Open Open Open Closed 200MHz 75MHz 2x Open Closed Open Open Closed CPU SPEED SELECTION (IBM 6X86) CPU Clock Multiplier JP2 JP3 JP7 JP8 JP9 speed speed 133MHz 55MHz 2x Closed Closed Open Open Closed 150MHz 60MHz 2x Closed Open Closed Open Closed 166MHz 66MHz 2x Open Open Open Open Closed 200MHz 75MHz 2x Open Closed Open Open Closed CPU SPEED SELECTION (CX 6X86L) CPU Clock Multiplier JP2 JP3 JP7 JP8 JP9 speed speed 133MHz 55MHz 2x Closed Closed Open Open Closed 150MHz 60MHz 2x Closed Open Closed Open Closed 166MHz 66MHz 2x Open Open Open Open Closed 200MHz 75MHz 2x Open Closed Open Open Closed CPU SPEED SELECTION (IBM 6X86L) CPU Clock Multiplier JP2 JP3 JP7 JP8 JP9 speed speed 133MHz 55MHz 2x Closed Closed Open Open Closed 150MHz 60MHz 2x Closed Open Closed Open Closed 166MHz 66MHz 2x Open Open Open Open Closed 200MHz 75MHz 2x Open Closed Open Open Closed CPU SPEED SELECTION (AM K5) CPU Clock Multiplier JP2 JP3 JP7 JP8 JP9 speed speed 90MHz 60MHz 1.5x Closed Open Closed Open Open 100MHz 66MHz 1.5x Open Open Open Open Open 166MHz 66MHz 2.5x Open Open Open Closed Closed CPU SPEED SELECTION (AM K6) CPU Clock Multiplier JP2 JP3 JP7 JP8 JP9 speed speed 166MHz 66MHz 2.5x Open Open Open Closed Closed 200MHz 66MHz 3x Open Open Open Closed Open 233MHz 66MHz 3.5x Open Open Open Open Open CPU SPEED SELECTION (INTEL) CPU Clock Multiplier JP2 JP3 JP7 JP8 JP9 speed speed 90MHz 60MHz 1.5x Closed Open Closed Open Open 100MHz 66MHz 1.5x Open Open Open Open Open 120MHz 60MHz 2x Closed Open Closed Open Closed 133MHz 66MHz 2x Open Open Open Open Closed 150MHz 60MHz 2.5x Closed Open Closed Closed Closed 166MHz 66MHz 2.5x Open Open Open Closed Closed 180MHz 60MHz 3x Closed Open Closed Closed Open 200MHz 66MHz 3x Open Open Open Closed Open CPU SPEED SELECTION (INTEL MMX) CPU Clock Multiplier JP2 JP3 JP7 JP8 JP9 speed speed 166MHz 66MHz 2.5x Open Open Open Closed Closed 200MHz 66MHz 3x Open Open Open Closed Open CPU VOLTAGE SELECTION (SINGLE) Voltage JP6 JP12 3.4v Pins 1 & 2, 3 & 4, 5 Pins 3 & 4 closed & 6 closed 3.5v Pins 1 & 2, 3 & 4, 5 Pins 1 & 2 closed & 6 closed CPU VOLTAGE SELECTION (DUAL) Voltage V core JP6 JP12 3.4v 2.5v Open Pins 11 & 12 closed 3.4v 2.8v Open Pins 9 & 10 closed 3.4v 2.9v Open Pins 7 & 8 closed 3.4v 3.2v Open Pins 5 & 6 closed BIOS SELECTION Type JP16 JP17 1M/5v Pins 1 & 2 closed Pins 2 & 3 closed 2M/5v Pins 1 & 2 closed Pins 1 & 2 closed