ACHITEC CORPORATION, LTD. ACHI-156 Device Type Mainboard Processor CX 6X86/IBM 6X86/CX 686MX/IBM 6X86MX/IDT/AM K5/ AM K6/Pentium Processor Speed 120/133/150/166/180/200/233/266/300/333MHz Chip Set VIA Video Chip Set None Maximum Onboard 1GB (EDO & SDRAM supported) Memory Maximum Video None Memory Cache 512KB BIOS Award Dimensions 220mm x 220mm I/O Options 32-bit PCI slots (3), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connector, ATX power connector, AGP slot NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location AGP slot AGP IDE interface LED J14 ATX power connector ATX Soft off power supply J15 Serial port CN1 Reset switch J16 Serial port CN2 Green PC LED J17 Parallel port CN3 Turbo switch J18 Floppy drive interface CN4 Power LED & keylock J19 IDE interface CN5 Speaker J20 IDE interface CN6 32-bit PCI slots PC1 - PC3 PS/2 mouse interface CN7 USB connector USB IR connector J3 USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not C1 Unidentified alter » Factory configured - do not C2 Unidentified alter » Factory configured - do not C3 Unidentified alter » Factory configured - do not C4 Unidentified alter Power supply select AT J11 Pins 1 & 2 closed Power supply select ATX J11 Pins 2 & 3 closed » CMOS memory normal operation J12 Pins 1 & 2 closed CMOS memory clear J12 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 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 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 512MB (1) 64M x 64 None 520MB (1) 64M x 64 (1) 1M x 64 528MB (1) 64M x 64 (1) 2M x 64 544MB (1) 64M x 64 (1) 4M x 64 576MB (1) 64M x 64 (1) 8M x 64 640MB (1) 64M x 64 (1) 16M x 64 768MB (1) 64M x 64 (1) 32M x 64 1024MB (1) 64M x 64 (1) 64M x 64 Note: Board accepts SDRAM memory. DIMM VOLTAGE CONFIGURATION Voltage J6 J7 3.3v Pins 2 & 3 closed Pins 2 & 3 closed 5v Pins 1 & 2 closed Pins 1 & 2 closed CACHE CONFIGURATION Size Bank 0 512KB (1) 64K x 64 CPU SPEED SELECTION (CX 6X86) CPU Clock Multiplier S1/1 S1/2 S1/3 S1/4 S1/5 S1/6 speed speed 150MHz 60MHz 2x On Off Off Off On On 166MHz 66MHz 2x On Off Off On Off On 166MHz 60MHz 2.5x On On Off Off On On 200MHz 75MHz 2x On Off Off Off On Off CPU SPEED SELECTION (IBM 6X86) CPU Clock Multiplier S1/1 S1/2 S1/3 S1/4 S1/5 S1/6 speed speed 150MHz 60MHz 2x On Off Off Off On On 166MHz 66MHz 2x On Off Off On Off On 166MHz 60MHz 2.5x On On Off Off On On 200MHz 75MHz 2x On Off Off Off On Off CPU SPEED SELECTION (CX 6X86MX) CPU Clock Multiplier S1/1 S1/2 S1/3 S1/4 S1/5 S1/6 speed speed 233MHz 75MHz 2.5x On On Off Off On Off 233MHz 66MHz 3x Off On Off On Off On 266MHz 75MHz 3x Off On Off Off On Off 266MHz 66MHz 3.5x Off Off Off On Off On CPU SPEED SELECTION (IBM 6X86MX) CPU Clock Multiplier S1/1 S1/2 S1/3 S1/4 S1/5 S1/6 speed speed 233MHz 75MHz 2.5x On On Off Off On Off 233MHz 66MHz 3x Off On Off On Off On 266MHz 75MHz 3x Off On Off Off On Off 266MHz 66MHz 3.5x Off Off Off On Off On CPU SPEED SELECTION (IDT) CPU Clock Multiplier S1/1 S1/2 S1/3 S1/4 S1/5 S1/6 speed speed 180MHz 60MHz 3x Off On Off Off On On 200MHz 66MHz 3x Off On Off On Off On CPU SPEED SELECTION (AM K5) CPU Clock Multiplier S1/1 S1/2 S1/3 S1/4 S1/5 S1/6 speed speed 120MHz 60MHz 2x On Off Off Off On On 133MHz 66MHz 2x On Off Off On Off On 150MHz 60MHz 2.5x On On Off Off On On 166MHz 66MHz 2.5x On On Off On Off On CPU SPEED SELECTION (AM K6) CPU Clock Multiplier S1/1 S1/2 S1/3 S1/4 S1/5 S1/6 speed speed 166MHz 66MHz 2.5x On On Off On Off On 180MHz 60MHz 3x Off On Off Off On On 200MHz 66MHz 3x Off On Off On Off On 233MHz 66MHz 3.5x Off Off Off On Off On 266MHz 66MHz 4x On On On On Off On 300MHz 66MHz 4.5x On On On On Off On 333MHz 66MHz 5x Off On On On Off On CPU SPEED SELECTION (INTEL) CPU Clock Multiplier S1/1 S1/2 S1/3 S1/4 S1/5 S1/6 speed speed 120MHz 60MHz 2x On Off Off Off On On 133MHz 66MHz 2x On Off Off On Off On 150MHz 60MHz 2.5x On On Off Off On On 166MHz 66MHz 2.5x On On Off On Off On 180MHz 60MHz 3x Off On Off Off On On 200MHz 66MHz 3x Off On Off On Off On CPU SPEED SELECTION (INTEL MMX) CPU Clock Multiplier S1/1 S1/2 S1/3 S1/4 S1/5 S1/6 speed speed 180MHz 60MHz 3x Off On Off Off On On 200MHz 66MHz 3x Off On Off On Off On 233MHz 66MHz 3.5x Off Off Off On Off On 266MHz 66MHz 4x On On On On Off On 300MHz 66MHz 4.5x On On On On Off On 333MHz 66MHz 5x Off On On On Off On CPU VOLTAGE SELECTION Voltage SW1/1 SW1/2 SW1/3 SW1/4 2.0 Off Off Off Off 2.1 On Off Off Off 2.2 Off On Off Off 2.3 On On Off Off 2.4 Off Off On Off 2.5 On Off On Off 2.6 Off On On Off 2.7 On On On Off 2.8 Off Off Off On 2.9 On Off Off On 3.0 Off On Off On 3.1 On On Off On 3.2 Off Off On On 3.3 On Off On On 3.4 Off On On On 3.5 On On On On