ADVANCED INTEGRATION RESEARCH, INC.

55TX-I

Processor

CX M1/CX M2/AM K5/AM K6/Pentium

Processor Speed

90/100/120/133/150/166/180/200/233/266/300/333/ 366MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

256MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

Award

Dimensions

304mm x 215mm

I/O Options

32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connector, ATX power connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

IR connector

J1B

Serial port 2

CN1

Soft off power supply

J1C

Parallel port

CN2

Green PC connector

J1D

PS/2 mouse port

CN3

Speaker

J2A

Serial port 1

CN4

Reset switch

J2B

Floppy drive interface

CN5

Power LED & keylock

J2C

IDE interface 2

CN6

Turbo LED

J2D

IDE interface 1

CN7

32-bit PCI slots

PC1 – PC4

IDE interface LED

J1A

USB connector

USB

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

CMOS memory normal operation

JP11

Pins 2 & 3 closed

 

CMOS memory clear

JP11

Pins 1 & 2 closed

 

Flash BIOS programming disabled

JP19

Pins 1 & 2 closed

 

Flash BIOS programming enabled

JP19

Pins 2 & 3 closed

»

Factory configured - do not alter

SW1/6

Unidentified

DIMM/DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

4MB

(2) 512K x 36

None

None

None

8MB

(2) 1M x 36

None

None

None

8MB

None

None

(1) 1M x 64

None

16MB

(2) 2M x 36

None

None

None

16MB

None

None

(1) 2M x 64

None

16MB

(2) 1M x 36

(2) 1M x 36

None

None

16MB

(2) 1M x 36

None

(1) 1M x 64

None

16MB

None

None

(1) 1M x 64

(1) 1M x 64

24MB

None

(2) 2M x 36

(1) 1M x 64

None

32MB

(2) 4M x 36

None

None

None

32MB

None

None

(1) 4M x 64

None

32MB

(2) 2M x 36

None

(1) 2M x 64

None

40MB

(2) 4M x 36

(2) 1M x 36

None

None

40MB

(2) 4M x 36

None

(1) 1M x 64

None

48MB

(2) 2M x 36

None

(1) 4M x 64

None

48MB

(2) 4M x 36

(2) 2M x 36

None

None

48MB

(2) 4M x 36

None

(1) 2M x 64

None

64MB

(2) 8M x 36

None

None

None

64MB

None

None

None

(1) 8M x 64

64MB

(2) 4M x 36

(2) 4M x 36

None

None

DIMM/DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

64MB

(2) 4M x 36

None

(1) 4M x 64

None

64MB

None

None

(1) 4M x 64

(1) 4M x 64

72MB

(2) 8M x 36

(2) 1M x 36

None

None

72MB

(2) 8M x 36

None

(1) 1M x 64

None

80MB

None

(2) 2M x 36

(1) 8M x 64

None

80MB

(2) 8M x 36

(2) 2M x 36

None

None

96MB

(2) 4M x 36

None

(1) 8M x 64

None

96MB

(2) 8M x 36

(2) 4M x 36

None

None

96MB

None

(2) 8M x 36

(1) 4M x 64

None

128MB

(2) 8M x 36

None

(1) 8M x 64

None

128MB

None

None

(1) 8M x 64

(1) 8M x 64

128MB

(2) 8M x 36

(2) 8M x 36

None

None

128MB

(2) 16M x 36

None

None

None

136MB

(2) 16M x 36

(2) 1M x 36

None

None

136MB

(2) 16M x 36

None

(1) 1M x 64

None

144MB

(2) 16M x 36

None

(1) 2M x 64

None

144MB

(2) 16M x 36

(2) 2M x 36

None

None

160MB

(2) 16M x 36

(2) 4M x 36

None

None

160MB

(2) 16M x 36

None

(1) 4M x 64

None

192MB

(2) 16M x 36

None

(1) 8M x 64

None

192MB

(2) 16M x 36

(2) 8M x 36

None

None

256MB

(2) 16M x 36

(2) 16M x 36

None

None

Note: Board accepts EDO memory.

CACHE CONFIGURATION

Size

Bank 0

256KB

(2) 32K x 32

512KB

(2) 64K x 32

CPU SPEED SELECTION (CYRIX M1)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

133MHz

55MHz

2x

Off

On

Off

Off

On

150MHz

60MHz

2x

Off

On

Off

On

On

166MHz

66MHz

2x

Off

On

On

On

On

200MHz

75MHz

2x

Off

On

On

Off

On

CPU SPEED SELECTION (CYRIX M1)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

133MHz

55MHz

2x

Off

On

Off

Off

On

150MHz

60MHz

2x

Off

On

Off

On

On

166MHz

66MHz

2x

Off

On

On

On

On

200MHz

75MHz

2x

Off

On

On

Off

On

CPU SPEED SELECTION (CYRIX M2)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

166MHz

66MHz

2.5x

Off

Off

On

On

On

200MHz

66MHz

3x

On

Off

On

On

On

233MHz

66MHz

3.5x

On

On

On

On

On

CPU SPEED SELECTION (AMD K5)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

90MHz

60MHz

1.5x

On

On

Off

On

On

100MHz

66MHz

1.5x

On

On

On

On

On

120MHz

60MHz

2x

Off

On

Off

On

On

133MHz

66MHz

2x

Off

On

On

On

On

150MHz

60MHz

2.5x

Off

Off

Off

On

On

166MHz

66MHz

2.5x

Off

Off

On

On

On

CPU SPEED SELECTION (AMD K6)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

166MHz

66MHz

2.5x

Off

Off

On

On

On

200MHz

66MHz

3x

On

Off

On

On

On

233MHz

66MHz

3.5x

On

On

On

On

On

266MHz

66MHz

4x

Off

On

On

On

Off

300MHz

66MHz

4.5x

Off

Off

On

On

Off

333MHz

66MHz

5x

On

Off

On

On

Off

366MHz

66MHz

5.5x

On

On

On

On

Off

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

90MHz

60MHz

1.5x

On

On

Off

On

On

100MHz

66MHz

1.5x

On

On

On

On

On

120MHz

60MHz

2x

Off

On

Off

On

On

133MHz

66MHz

2x

Off

On

On

On

On

150MHz

60MHz

2.5x

Off

Off

Off

On

On

166MHz

66MHz

2.5x

Off

Off

On

On

On

180MHz

60MHz

3x

On

Off

Off

On

On

200MHz

66MHz

3x

On

Off

On

On

On

233MHz

66MHz

3.5x

On

On

On

On

On

CPU VOLTAGE SELECTION

Voltage

JP3

2.8v

Open

2.9v

Pins 1 & 2 closed

3.0v

Pins 3 & 4 closed

3.1v

Pins 1 & 2, 3 & 4, closed

3.2v

Pins 5 & 6 closed

3.3v

Pins 1 & 2, 5 & 6 closed

3.4v

Pins 3 & 4, 5 & 6 closed

3.5v

Pins 1 & 2, 3 & 4, 5 & 6 closed