TMC RESEARCH CORPORATION AI5TT (VER. 1.1) Processor 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 supported) Memory Maximum Video MemoryNone Cache 512KB BIOS Unidentified Dimensions 254mm 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 ATX Chassis fan power J17 connector USB connector J6 CPU fan power J18 USB connector J7 IR connector J19 PS/2 mouse port J8 Speaker J20/pins 1 - 4 Serial port 1 J9 Green PC J20/pins 6 & connector 16 Serial port 2 J10 Turbo LED J20/pins 8 & 18 Floppy drive J11 Reset switch J20/pins 9 & interface 19 IDE interface 1 J12 IDE interface LED J20/pins 10 & 20 Parallel port J13 Power LED & J20/pins 11 - keylock 15 IDE interface 2 J14 32-bit PCI slots PC1 – PC4 USER CONFIGURABLE SETTINGS Function Label Position Battery type select internal J15 Pins 3 & 4 closed Battery type select external J15 Open » Factory configured - do not JP16 Unidentified alter » CMOS memory normal operation JP19 Open CMOS memory clear JP19 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 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. 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 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 speed speed 150MHz 60MHz 2x On On On Off 166MHz 66MHz 2x Off Off On Off CPU SPEED SELECTION (CX 6X86MX) CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 speed speed 166MHz 60MHz 2.5x On On On On 200MHz 66MHz 2.5x Off Off On On 233MHz 66MHz 3x Off Off Off On CPU SPEED SELECTION (AM K5) CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 speed speed 100MHz 66MHz 1.5x Off Off Off Off 133MHz 66MHz 1.5x Off Off On Off 166MHz 66MHz 1.75x Off Off On On CPU SPEED SELECTION (AM K6) CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 speed speed 166MHz 66MHz 1.75x Off Off On On 200MHz 66MHz 3x Off Off Off On 233MHz 66MHz 3.5x Off Off Off Off CPU SPEED SELECTION (INTEL) CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 speed speed 90MHz 60MHz 1.5x On On Off Off 100MHz 66MHz 1.5x Off Off Off Off 120MHz 60MHz 2x On On On Off 133MHz 66MHz 2x Off Off On Off 150MHz 60MHz 2.5x On On On On 166MHz 66MHz 2.5x Off Off On On 200MHz 66MHz 3x Off Off Off On 233MHz 66MHz 3.5x Off Off Off Off CPU VOLTAGE SELECTION (SINGLE) Voltage SW1/5 SW1/6 SW1/7 SW1/8 3.5v On On On On CPU VOLTAGE SELECTION (DUAL) Voltage V core SW1/5 SW1/6 SW1/7 SW1/8 3.3v 2.1v On Off Off Off 3.3v 2.6v Off On On Off 3.3v 2.7v On On On Off 3.3v 2.8v Off Off Off On 3.3v 2.9v On Off Off On 3.3v 3.0v Off On Off On 3.3v 3.2v Off Off On On 3.3v 3.5v On On On On