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