TMC RESEARCH CORPORATION SI5TT (VER. 1.0) Device Type Mainboard Processor CX 6X86L/CX 686MX/AM K5/AM K6/Pentium/Pentium MMX Processor Speed 90/100/120/133/150/166/180/200/233/266/300MHz Chip Set Intel 430TX Video Chip Set Chips and Technology Maximum Onboard 128MB (EDO supported) Memory Maximum Video 1MB Memory Cache 512KB BIOS Award Dimensions 203mm x 146mm I/O Options Ethernet 10BaseT connector, floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (4), VGA port, IR connector, USB connector, PC/104 connectors (2) [Image] CONNECTIONS Purpose Location Purpose Location PC/104 connector CN1 Serial port 2 J7 PC/104 connector CN2 Parallel port J8 Speaker J1/pins 1 - Serial port 3 J9 4 Green PC J1/pins 6 & Serial port 4 J10 connector 16 Turbo LED J1/pins 8 & Keyboard/mouse J11 18 connector Reset switch J1/pins 9 & CPU fan power J12 19 IDE interface J1/pins 10 & USB connector J14 LED 20 Power LED & J1/pins 11 - Floppy drive J15 keylock 15 interface IDE interface 1 J2 IR connector J16 IDE interface 2 J3 LCD panel connector LCD Ethernet 10BaseT J4 Power connector P1 connector Serial port 1 J5 Power connector P2 VGA interface J6 PCI connector PCI1 Note: The location of J1 is unidentified. USER CONFIGURABLE SETTINGS Function Label Position DISK address select D0000 J13 Pins 1 & 2 closed DISK address select D8000 J13 Pins 2 & 3 closed » CMOS memory normal operation JP2 Pins 1 & 2 closed CMOS memory clear JP2 Pins 2 & 3 closed LCD voltage select 3.3v JP4 Pins 1 & 2 closed LCD voltage select 5v JP4 Pins 2 & 3 closed » Factory configured - do not JP5 Unidentified alter » Factory configured - do not JP6 Unidentified alter 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 Note: Board accepts EDO memory. CACHE CONFIGURATION Note: The location of the cache is unidentified. VIDEO MEMORY CONFIGURATION Note: The location of the video memory is unidentified. CPU SPEED SELECTION (CX 6X86L) CPU Clock Multiplier JP1 SW1/1 SW1/2 SW1/3 SW1/4 speed speed 150MHz 60MHz 2x Open On On On Off 166MHz 66MHz 2x Open Off Off On Off CPU SPEED SELECTION (CX 6X86MX) CPU Clock Multiplier JP1 SW1/1 SW1/2 SW1/3 SW1/4 speed speed 166MHz 60MHz 2.5x Open On On On On 200MHz 66MHz 2.5x Open Off Off On On 200MHz 75MHz 2x Closed Off Off On Off 233MHz 66MHz 3x Open Off Off Off On 233MHz 75MHz 2.5x Closed Off Off On On 300MHz 66MHz 3.5x Open Off Off Off Off 300MHz 75MHz 3x Closed Off Off Off On CPU SPEED SELECTION (IDT C6) CPU Clock Multiplier JP1 SW1/1 SW1/2 SW1/3 SW1/4 speed speed 180MHz 60MHz 3x Open On On Off On 200MHz 66MHz 3x Open Off Off Off On CPU SPEED SELECTION (AM K5) CPU Clock Multiplier JP1 SW1/1 SW1/2 SW1/3 SW1/4 speed speed 100MHz 66MHz 1.5x Open Off Off Off Off 133MHz 66MHz 1.5x Open Off Off On Off 166MHz 66MHz 1.75x Open Off Off On On CPU SPEED SELECTION (AM K6) CPU Clock Multiplier JP1 SW1/1 SW1/2 SW1/3 SW1/4 speed speed 166MHz 66MHz 1.75x Open Off Off On On 200MHz 66MHz 3x Open Off Off Off On 233MHz 66MHz 3.5x Open Off Off Off Off 266MHz 66MHz 4x Closed Off Off On Off 300MHz 66MHz 4.5x Closed Off Off On On CPU SPEED SELECTION (INTEL) CPU Clock Multiplier JP1 SW1/1 SW1/2 SW1/3 SW1/4 speed speed 90MHz 60MHz 1.5x Open On On Off Off 100MHz 66MHz 1.5x Open Off Off Off Off 120MHz 60MHz 2x Open On On On Off 133MHz 66MHz 2x Open Off Off On Off 150MHz 60MHz 2.5x Open On On On On 166MHz 66MHz 2.5x Open Off Off On On 200MHz 66MHz 3x Open Off Off Off On CPU SPEED SELECTION (INTEL MMX) CPU Clock Multiplier JP1 SW1/1 SW1/2 SW1/3 SW1/4 speed speed 166MHz 66MHz 2.5x Open Off Off On On 200MHz 66MHz 3x Open Off Off Off On 233MHz 66MHz 3.5x Open Off Off Off Off CPU VOLTAGE SELECTION (SINGLE) Voltage SW2/1 SW2/2 SW2/3 SW2/4 3.5v On On On On CPU VOLTAGE SELECTION (DUAL) Voltage V core SW2/1 SW2/2 SW2/3 SW2/4 3.3v 2.0v Off Off Off Off 3.3v 2.1v On Off Off Off 3.3v 2.2v Off On Off Off 3.3v 2.3v On On Off Off 3.3v 2.4v Off Off On Off 3.3v 2.5v On Off On 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 SERIAL PORT 2 SELECTION Setting JP3 RS-232 Open RS-422 Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 11 & 12, 15 & 16, 17 & 18, 19 & 20, 23 & 24 closed RS-485 Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10, 11 & 12, 13 & 14, 15 & 16, 17 & 18, 19 & 20, 21 & 22, 23 & 24 closed