ACHITEC CORPORATION, LTD. ACHI-154 Device Type Mainboard Processor CX 6X86L/CX 686MX/AM K5/AM K6/Pentium Processor Speed 133/150/166/200/233MHz Chip Set VIA Video Chip Set None Maximum Onboard Memory 512MB (EDO & SDRAM supported) Maximum Video Memory None Cache 512KB BIOS Award Dimensions 220mm x 190mm I/O Options 32-bit PCI slots (3), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), USB connector, ATX power connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location ATX power connector ATX Parallel port CN4 Soft off power C1 IDE interface CN5 supply IR connector C2 Floppy drive CN6 interface Serial port CN1 PS/2 mouse CN7 interface Serial port CN2 32-bit PCI slots PC1 - PC3 IDE interface CN3 USB connector USB Note: Depending on board version, CN3 may be the parallel interface & CN4 may be the floppy drive interface. USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not C3 Unidentified alter » Factory configured - do not C4 Unidentified alter » CMOS normal operation JP1 Pins 1 & 2 closed CMOS memory clear JP1 Pins 2 & 3 closed » Factory configured - do not JP3 Unidentified alter » Factory configured - do not JP4 Unidentified alter Power supply select AT JP7 Open Power supply select ATX JP7 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 512MB (2) 64M x 36 Note: Board accepts EDO memory. 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 DIMM CONFIGURATION (CON'T) Size Bank 0 Bank 1 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) 32M x 64 None 256MB (1) 16M x 64 (1) 16M x 64 264MB (1) 32M x 64 (1) 1M x 64 272MB (1) 32M x 64 (1) 2M x 64 288MB (1) 32M x 64 (1) 4M x 64 320MB (1) 32M x 64 (1) 8M x 64 384MB (1) 32M x 64 (1) 16M x 64 512MB (1) 32M x 64 (1) 32M x 64 Note: Board accepts SDRAM memory. CACHE CONFIGURATION Size Bank 0 512KB (1) 64K x 64 CPU SPEED SELECTION (CX 6X86L) CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 speed speed 133MHz 60MHz 2x Open Open Closed Closed Closed Closed 166MHz 66MHz 2x Open Open Closed Closed Open Closed 200MHz 75MHz 2x Open Open Closed Open Closed Open CPU SPEED SELECTION (CX 6X86MX) CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 speed speed 166MHz 66MHz 2x Open Open Closed Closed Open Closed 200MHz 66MHz 2.5x Open Closed Closed Closed Open Closed 233MHz 66MHz 3x Open Closed Open Closed Open Closed 266MHz 66MHz 3.5x Open Open Open Closed Open Closed CPU SPEED SELECTION (AM K5) CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 speed speed 133MHz 66MHz 2x Open Open Closed Closed Open Closed 166MHz 66MHz 2.5x Open Closed Closed Closed Open Closed 200MHz 66MHz 3x Open Closed Open Closed Open Closed 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 Open Closed Closed Closed Open Closed 200MHz 66MHz 3x Open Closed Open Closed Open Closed 233MHz 66MHz 3.5x Open Open Open Closed Open Closed CPU SPEED SELECTION (INTEL) CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 speed speed 133MHz 66MHz 2x Open Open Closed Closed Open Closed 150MHz 60MHz 2.5x Open Closed Closed Closed Closed Open 166MHz 66MHz 2.5x Open Closed Closed Closed Open Closed 200MHz 66MHz 3x Open Closed Open Closed Open Closed 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 Open Closed Closed Closed Open Closed 200MHz 66MHz 3x Open Closed Open Closed Open Closed 233MHz 66MHz 3.5x Open Open Open Closed Open Closed CPU VOLTAGE SELECTION Voltage JP6/1 JP6/2 JP6/3 JP6/4 2.0 Open Open Open Open 2.1 Closed Open Open Open 2.2 Open Closed Open Open 2.3 Closed Closed Open Open 2.4 Open Open Closed Open 2.5 Closed Open Closed Open 2.6 Open Closed Closed Open 2.7 Closed Closed Closed Open 2.8 Open Open Open Closed 2.9 Closed Open Open Closed 3.0 Open Closed Open Closed 3.1 Closed Closed Open Closed 3.2 Open Open Closed Closed 3.3 Closed Open Closed Closed 3.4 Open Closed Closed Closed 3.5 Closed Closed Closed Closed