ACHME COMPUTER, INC. MS-5158 Device Type Mainboard Processor CX 6X86/CX 6X86L/CX 686MX/AM K5/AM K6/Pentium Processor Speed 90/100/120/133/150/166/200/233MHz Chip Set Intel Video Chip Set None Maximum Onboard 256MB (EDO & SDRAM supported) Memory Maximum Video Memory None Cache 512KB BIOS Unidentified Dimensions 300mm x 186mm I/O Options 32-bit PCI slots (4), floppy drive interface, green PC connector, 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 ATX Power LED & JFP1/pins 1 - 5 connector keylock Parallel port CN1 Speaker JFP1/pins 7 - 10 Serial port 2 CN2 Turbo LED JFP1/pins 12 & 13 Serial port 1 CN3 Reset switch JFP1/pins 19 & 20 USB connector 1 CN4 IDE interface LED JFP1/pins 22 & 24 USB connector 2 CN5 Green PC LED JGL PS/2 mouse port CN6 Green PC JGS connector Floppy drive CN7 IR connector JIR interface IDE interface 1 CN8 Wake on modem JP3 connector IDE interface 2 CN9 Soft off power JRMS1 supply CPU fan power FAN1 Soft off power JRMS2 supply Power fan FAN2 32-bit PCI slots PC1 – PC4 Chassis fan power FAN3 USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not C1 Unidentified alter » CMOS memory normal operation JBAT Pins 1 & 2 closed CMOS memory clear JBAT Pins 2 & 3 closed Flash BIOS normal operation JP2 Pins 1 & 2 closed Flash BIOS update enabled JP2 Pins 2 & 3 closed SIMM CONFIGURATION Size Bank 0 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 Bank 3 8MB (1) 1M x 64 None None 16MB (1) 2M x 64 None None 16MB (1) 1M x 64 (1) 1M x 64 None 24MB (1) 2M x 64 (1) 1M x 64 None 24MB (1) 1M x 64 (1) 1M x 64 (1) 1M x 64 32MB (1) 4M x 64 None None DIMM CONFIGURATION (CON’T) Size Bank 1 Bank 2 Bank 3 32MB (1) 2M x 64 (1) 2M x 64 None 40MB (1) 4M x 64 (1) 1M x 64 None 48MB (1) 4M x 64 (1) 2M x 64 None 48MB (1) 2M x 64 (1) 2M x 64 (1) 2M x 64 64MB (1) 8M x 64 None None 64MB (1) 4M x 64 (1) 4M x 64 None 72MB (1) 8M x 64 (1) 1M x 64 None 80MB (1) 8M x 64 (1) 2M x 64 None 96MB (1) 8M x 64 (1) 4M x 64 None 96MB (1) 4M x 64 (1) 4M x 64 (1) 4M x 64 128MB (1) 16M x 64 None None 128MB (1) 8M x 64 (1) 8M x 64 None 136MB (1) 16M x 64 (1) 1M x 64 None 144MB (1) 16M x 64 (1) 2M x 64 None 160MB (1) 16M x 64 (1) 4M x 64 None 192MB (1) 16M x 64 (1) 8M x 64 None 192MB (1) 8M x 64 (1) 8M x 64 (1) 8M x 64 256MB (1) 32M x 64 None None 256MB (1) 16M x 64 (1) 16M x 64 None Note: Board accepts SDRAM memory. CACHE CONFIGURATION Note: 512KB cache is factory installed and is not configurable. The location is unidentified. CPU SPEED SELECTION (CX 6X86) CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 speed speed 150MHz 60MHz 2x On Off Off On Off Off 166MHz 66MHz 2x On Off Off Off Off Off 200MHz 75MHz 2x On Off Off Off On Off CPU SPEED SELECTION (CX 6X86L) CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 speed speed 166MHz 66MHz 2x On Off Off Off Off Off 200MHz 75MHz 2x On Off Off Off On 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 200MHz 66MHz 2.5x On On Off Off Off Off 233MHz 75MHz 2.5x On On Off Off On Off 233MHz 66MHz 3x Off On Off Off Off Off 266MHz 75MHz 3x Off On Off Off On Off 266MHz 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 60MHz 2x On Off Off Off Off Off 166MHz 66MHz 2.5x On On Off Off Off 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 (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 CPU SPEED SELECTION (INTEL MMX) 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 VOLTAGE SELECTION Voltage V core JV1 3.3v 2.0v Open 3.3v 2.1v Pins 1 & 5 closed 3.3v 2.2v Pins 2 & 6 closed 3.3v 2.3v Pins 1 & 5, 2 & 6 closed 3.3v 2.4v Pins 3 & 7 closed 3.3v 2.5v Pins 1 & 5, 3 & 7 closed 3.3v 2.8v Pins 4 & 8 closed 3.3v 2.9v Pins 1 & 5, 4 & 8 closed 3.3v 3.2v Pins 3 & 7, 4 & 8 closed 3.3v 3.3v Pins 1 & 5, 3 & 7, 4 & 8 closed 3.5v 3.5v Pins 1 & 5, 2 & 6, 3 & 7, 4 & 8 closed