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 Memory  | 
 128MB (EDO supported)  | 
| 
 Maximum Video Memory  | 
 1MB  | 
| 
 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)  | 

| 
 CONNECTIONS  | 
|||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 PC/104 connector  | 
 CN1  | 
 Serial port 2  | 
 J7  | 
| 
 PC/104 connector  | 
 CN2  | 
 Parallel port  | 
 J8  | 
| 
 Speaker  | 
 J1/pins 1 - 4  | 
 Serial port 3  | 
 J9  | 
| 
 Green PC connector  | 
 J1/pins 6 & 16  | 
 Serial port 4  | 
 J10  | 
| 
 Turbo LED  | 
 J1/pins 8 & 18  | 
 Keyboard/mouse connector  | 
 J11  | 
| 
 Reset switch  | 
 J1/pins 9 & 19  | 
 CPU fan power  | 
 J12  | 
| 
 IDE interface LED  | 
 J1/pins 10 & 20  | 
 USB connector  | 
 J14  | 
| 
 Power LED & keylock  | 
 J1/pins 11 - 15  | 
 Floppy drive interface  | 
 J15  | 
| 
 IDE interface 1  | 
 J2  | 
 IR connector  | 
 J16  | 
| 
 IDE interface 2  | 
 J3  | 
 LCD panel connector  | 
 LCD  | 
| 
 Ethernet 10BaseT connector  | 
 J4  | 
 Power connector  | 
 P1  | 
| 
 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 alter  | 
 JP5  | 
 Unidentified  | 
| 
 »  | 
 Factory configured - do not alter  | 
 JP6  | 
 Unidentified  | 
| 
 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 speed  | 
 Clock speed  | 
 Multiplier  | 
 JP1  | 
 SW1/1  | 
 SW1/2  | 
 SW1/3  | 
 SW1/4  | 
| 
 150MHz  | 
 60MHz  | 
 2x  | 
 Open  | 
 On  | 
 On  | 
 On  | 
 Off  | 
| 
 166MHz  | 
 66MHz  | 
 2x  | 
 Open  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
| 
 CPU SPEED SELECTION (CX 6X86MX)  | 
|||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 JP1  | 
 SW1/1  | 
 SW1/2  | 
 SW1/3  | 
 SW1/4  | 
| 
 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 speed  | 
 Clock speed  | 
 Multiplier  | 
 JP1  | 
 SW1/1  | 
 SW1/2  | 
 SW1/3  | 
 SW1/4  | 
| 
 180MHz  | 
 60MHz  | 
 3x  | 
 Open  | 
 On  | 
 On  | 
 Off  | 
 On  | 
| 
 200MHz  | 
 66MHz  | 
 3x  | 
 Open  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
| 
 CPU SPEED SELECTION (AM K5)  | 
|||||||
| 
 CPU speed  | 
 Clock speed  | 
 Multiplier  | 
 JP1  | 
 SW1/1  | 
 SW1/2  | 
 SW1/3  | 
 SW1/4  | 
| 
 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 speed  | 
 Clock speed  | 
 Multiplier  | 
 JP1  | 
 SW1/1  | 
 SW1/2  | 
 SW1/3  | 
 SW1/4  | 
| 
 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 speed  | 
 Clock speed  | 
 Multiplier  | 
 JP1  | 
 SW1/1  | 
 SW1/2  | 
 SW1/3  | 
 SW1/4  | 
| 
 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 speed  | 
 Clock speed  | 
 Multiplier  | 
 JP1  | 
 SW1/1  | 
 SW1/2  | 
 SW1/3  | 
 SW1/4  | 
| 
 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  |