SUPER MICRO P5MMA2 Processor CX 6X86/IBM 6X86/AM K5/AM K6/Pentium Processor Speed 75/90/100/120/133/150/166/180/200/233MHz Chip Set Intel Video Chip Set None Maximum Onboard 256MB (EDO supported) Memory Maximum Video None Memory Cache 512KB BIOS AMI Dimensions 330mm x 218mm I/O Options 32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connectors (2), ATX power connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location ATX power connector ATX Overheat LED J42 Parallel port CN1 CPU fan J44 Serial port 1 CN2 Overheat fan JP9 Serial port 2 CN3 External battery JP3 USB connector CN4 IR connector JP23A USB connector CN5 Soft off power supply JP23B PS/2 mouse port CN6 Reset switch JP23C Floppy drive interface J19 IDE interface LED JP23D IDE interface 2 J20 Power LED & keylock JP23E IDE interface 1 J21 Speaker JP23F Overheat fan J41 32-bit PCI slots PC1 – PC4 USER CONFIGURABLE SETTINGS Function Label Position » Flash BIOS flash enabled J7 Pins 1 & 2 closed Flash BIOS protect enabled J7 Pins 2 & 3 closed » Factory configured - do not alter J40 Open PC health monitor IRQ select IRQ9 J43 Pins 1 & 2 closed PC health monitor IRQ select IRQ3 J43 Pins 2 & 3 closed » CMOS memory normal operation JP2 Pins 1 & 2 closed CMOS memory clear JP2 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 256MB (2) 32M x 36 None Note: Board accepts EDO memory. Do not populate banks 0 & 2 at the same time. Use only FPM/EDO in bank 0. 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 128MB (1) 16M x 64 None 256MB (1) 16M x 64 (1) 16M x 64 256MB (1) 32M x 64 None Note: Use only SDRAM in bank 3. Bank 2 can use any type of DIMM. CACHE CONFIGURATION Note: 512KB cache is factory installed and is not configurable. The location is unidentified. CPU SPEED SELECTION (CX 6X86) CPU Clock Multiplier JP5 JP6 JP7 J35 J36 speed speed 150MHz 60MHz 2x 2 & 2 & 1 & Open Closed 3 3 2 166MHz 66MHz 2x 1 & 2 & 2 & Open Closed 2 3 3 200MHz 66MHz 2x 2 & 1 & 1 & Open Closed 3 2 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (IBM 6X86) CPU Clock Multiplier JP5 JP6 JP7 J35 J36 speed speed 150MHz 60MHz 2x 2 & 2 & 1 & Open Closed 3 3 2 166MHz 66MHz 2x 1 & 2 & 2 & Open Closed 2 3 3 200MHz 66MHz 2x 2 & 1 & 1 & Open Closed 3 2 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (AM K5) CPU Clock Multiplier JP5 JP6 JP7 J35 J36 speed speed 75MHz 50MHz 1.5x 2 & 2 & 2 & Open Open 3 3 3 90MHz 60MHz 1.5x 2 & 2 & 1 & Open Open 3 3 2 100MHz 66MHz 1.5x 1 & 2 & 2 & Open Open 2 3 3 120MHz 60MHz 2x 2 & 2 & 1 & Open Closed 3 3 2 133MHz 66MHz 2x 1 & 2 & 2 & Open Closed 2 3 3 166MHz 66MHz 2.5x 1 & 2 & 2 & Closed Closed 2 3 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (AM K6) CPU Clock Multiplier JP5 JP6 JP7 J35 J36 speed speed 166MHz 66MHz 2.5x 1 & 2 & 2 & Closed Closed 2 3 3 200MHz 66MHz 3x 1 & 2 & 2 & Closed Open 2 3 3 233MHz 66MHz 3.5x 1 & 2 & 2 & Open Open 2 3 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL) CPU Clock Multiplier JP5 JP6 JP7 J35 J36 speed speed 75MHz 50MHz 1.5x 2 & 2 & 2 & Open Open 3 3 3 90MHz 60MHz 1.5x 2 & 2 & 1 & Open Open 3 3 2 100MHz 66MHz 1.5x 1 & 2 & 2 & Open Open 2 3 3 120MHz 60MHz 2x 2 & 2 & 1 & Open Closed 3 3 2 133MHz 66MHz 2x 1 & 2 & 2 & Open Closed 2 3 3 150MHz 60MHz 2.5x 2 & 2 & 1 & Closed Closed 3 3 2 150MHz 75MHz 2x 2 & 1 & 1 & Open Closed 3 2 2 166MHz 66MHz 2.5x 1 & 2 & 2 & Closed Closed 2 3 3 180MHz 60MHz 3x 2 & 2 & 1 & Closed Open 3 3 2 200MHz 66MHz 3x 1 & 2 & 2 & Closed Open 2 3 3 233MHz 66MHz 3.5x 1 & 2 & 2 & Open Open 2 3 3 Note: Pins designated should be in the closed position. CPU VOLTAGE SELECTION Voltage J46 J47 J48 J49 2.1v Closed Open Open Open 2.2v Open Closed Open Open 2.3v Closed Closed Open Open 2.4v Open Open Closed Open 2.5v Closed Open Closed Open 2.6v Open Closed Closed Open 2.7v Closed Closed Closed Open 2.8v Open Open Open Closed 2.9v Closed Open Open Closed 3.0v Open Closed Open Closed 3.1v Closed Closed Open Closed 3.2v Open Open Closed Closed 3.3v Closed Open Closed Closed 3.4v Open Closed Closed Closed 3.5v Closed Closed Closed Closed MISCELLANEOUS TECHNICAL NOTE The CPU fan will automatically turn on when the CPU temperature exceeds the user defined temperature.