MICRO-STAR INTERNATIONAL CO., LTD. MS-5156 Processor CX 6X86/CX 6X86L/CX 6X86MX/AM K5/AM K6/Pentium Processor Speed 90/100/120/133/150/166/200/233/266MHz Chip Set Intel Video Chip Set None Maximum Onboard 256MB (EDO supported) Memory Maximum Video None Memory Cache 512KB BIOS Unidentified Dimensions 250mm x 220mm I/O Options 32-bit PCI slots (5), floppy drive interface, green PC connector, IDE IDE interfaces (2), parallel port, PS/2 mouse 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 Turbo switch JFP1/pins 15 - connector 17 Serial port 2 CN1 Reset switch JFP1/pins 19 & 20 Serial port 1 CN2 IDE interface LED JFP1/pins 21 & 22 Floppy drive CN3 Green PC LED JGL1 interface Parallel port CN4 Green PC JGS1 connector IDE interface 2 CN5 IR connector JIR1 IDE interface 1 CN6 PS/2 mouse JMS1 interface CPU fan JFAN1 Power fan JPFAN CPU fan JFAN2 Chassis fan power JSFAN Power LED & JFP1/pins 1 - 32-bit PCI slots PC1 – PC5 keylock 5 Speaker JFP1/pins 7 - USB connector USB 10 Turbo LED JFP1/pins 12 & 13 USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not J10 Unidentified alter » CMOS memory normal operation JBAT1 Pins 1 & 2 closed CMOS memory clear JBAT1 Pins 2 & 3 closed » Factory configured - do not JRMC1 Unidentified alter » Factory configured - do not JRMS1 Unidentified alter » Factory configured - do not JRMS2 Unidentified alter » Factory configured - do not JV8 Unidentified alter 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. Do not install SIMMs & DIMMs at the same time. If both are used, DIMMs must be 5v. 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) 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 DIMM VOLTAGE CONFIGURATION Voltage JV1 3.3v Pins 1 & 2, 3 & 4 closed 5v Pins 5 & 6, 7 & 8 closed CACHE CONFIGURATION Size Bank 0 512KB (2) 64K x 32 Note: The location of bank 0 is unidentified. CPU SPEED SELECTION (CX 6X86/6X86L) CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 speed speed 133MHz 55MHz 2x On Off Off On On Off 150MHz 60MHz 2x On Off Off On Off Off 166MHz 66MHz 2x On Off Off Off Off Off CPU SPEED SELECTION (CX 6X86MX) CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 speed speed 166MHz 60MHz 2.5x On On Off On Off Off 166MHz 66MHz 2x On Off Off Off Off Off 200MHz 75MHz 2x On Off Off Off On Off 200MHz 66MHz 2.5x On On Off Off Off Off 233MHz 66MHz 3x Off On Off Off Off Off 233MHz 75MHz 2.5x On On Off Off On Off 266MHz 66MHz 3.5x Off Off Off Off Off Off 266MHz 75MHz 3x Off On Off Off On Off CPU SPEED SELECTION (AM K6) CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 speed speed 166MHz 66MHz 2.5x On On Off Off Off Off 200MHz 66MHz 3x Off On Off Off Off Off 233MHz 66MHz 3.5x Off Off Off Off Off Off CPU SPEED SELECTION (AM K5) CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 speed speed 90MHz 60MHz 1.5x Off Off Off On Off Off 100MHz 66MHz 1.5x Off Off Off Off Off Off 120MHz 60MHz 2x On Off Off On Off Off 133MHz 66MHz 2x On Off Off Off Off Off 150MHz 66MHz 2x On Off Off Off Off Off 166MHz 66MHz 2.5x On On Off Off Off Off CPU SPEED SELECTION (INTEL) CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 speed speed 90MHz 60MHz 1.5x Off Off Off On Off Off 100MHz 66MHz 1.5x Off Off Off Off Off Off 120MHz 60MHz 2x On Off Off On Off Off 133MHz 66MHz 2x On Off Off Off Off Off 150MHz 60MHz 2.5x On On Off On Off Off 166MHz 66MHz 2.5x On On Off Off Off Off 200MHz 66MHz 3x Off On Off Off Off Off 233MHz 66MHz 3.5x Off Off Off Off Off Off CPU VOLTAGE SELECTION (SINGLE) Voltage JV2 JV3 JV4 JV5 3.3v Closed Open Closed Closed 3.5v Closed Closed Closed Closed CPU VOLTAGE SELECTION (DUAL) Voltage V core JV2 JV3 JV4 JV5 3.3v 2.1v Closed Open Open Open 3.3v 2.2v Open Closed Open Open 3.3v 2.3v Closed Closed Open Open 3.3v 2.4v Open Open Closed Open 3.3v 2.5v Closed Open Closed Open 3.3v 2.6v Open Closed Closed Open 3.3v 2.7v Closed Closed Closed Open 3.3v 2.8v Open Open Closed Closed 3.3v 2.9v Closed Open Open Closed 3.3v 3.2v Open Open Closed Closed FLASH BIOS SELECTION Setting JP1 JP2 5v Pins 1 & 2 closed Pins 1 & 2 closed » 12v Pins 2 & 3 closed Pins 2 & 3 closed