ELITEGROUP COMPUTER SYSTEMS, INC.

P5TX-A

Processor

CX M1/AM K5/Pentium

Processor Speed

90/100/120/133/150/166/200/233MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

256MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

Award

Dimensions

324mm x 187mm

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

Green PC LED

J10 pins 6 - 8

PS/2 mouse port

J2

Reset switch

J10 pins 9 & 10

Serial port 1

J3

Keylock

J10 pins 11 & 12

Serial port 2

J4

Speaker

J10 pins 13 - 16

Parallel port

J6

IDE interface LED

J10 pins 17 & 18

Floppy drive interface

J7

Power on switch

J10 pins 19 & 20

IDE interface 2

J8

USB connector

J11

IDE interface 1

J9

IR connector

J13

Power LED

J10 pins 1 - 3

Chassis fan power

J14

Green PC connector

J10 pins 4 & 5

32-bit PCI slots

PC1 – PC4

Note: On some models, J13 may be labeled as J12. J12 will be a 5-pin IR connector.

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

CMOS memory normal operation

JP2

Pins 2 & 3 closed

 

CMOS memory clear

JP2

Pins 1 & 2 closed

DIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

8MB

(1) 1M x 64

None

None

16MB

(1) 1M x 64

(1) 1M x 64

None

24MB

(1) 1M x 64

(1) 1M x 64

(1) 1M x 64

16MB

(1) 2M x 64

None

None

32MB

(1) 2M x 64

(1) 2M x 64

None

48MB

(1) 2M x 64

(1) 2M x 64

(1) 2M x 64

32MB

(1) 4M x 64

None

None

64MB

(1) 4M x 64

(1) 4M x 64

None

96MB

(1) 4M x 64

(1) 4M x 64

(1) 4M x 64

64MB

(1) 8M x 64

None

None

128MB

(1) 8M x 64

(1) 8M x 64

None

192MB

(1) 8M x 64

(1) 8M x 64

(1) 8M x 64

128MB

(1) 16M x 64

None

None

256MB

(1) 16M x 64

(1) 16M x 64

None

Note: Board accepts EDO memory.

DIMM VOLTAGE CONFIGURATION

Voltage

JP5

»

3.3v

Pins 1 & 2, 4 & 5, 7 & 8 closed

 

5v

Pins 2 & 3, 5 & 6, 8 & 9 closed

CACHE CONFIGURATION

Size

Bank 0

256KB

(2) 32K x 32

512KB

(2) 64K x 32

CPU SPEED SELECTION (CYRIX)

CPU speed

Clock speed

Multiplier

JP1

133MHz

55MHz

2x

1 & 3, 4 & 6, 11 & 13, 17 & 19, 20 & 22

150MHz

60MHz

2x

1 & 3, 4 & 6, 11 & 13, 17 & 19, 18 & 20

166MHz

66MHz

2x

1 & 3, 4 & 6, 9 & 11, 17 & 19, 18 & 20

200MHz

75MHz

2x

1 & 3, 4 & 6, 9 & 11, 17 & 19, 20 & 22

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AMD)

CPU speed

Clock speed

Multiplier

JP1

90MHz

60MHz

1.5x

1 & 3, 2 & 4, 11 & 13, 17 & 19, 18 & 20

100MHz

66MHz

1.5x

1 & 3, 2 & 4, 9 & 11, 17 & 19, 18 & 20

120MHz

60MHz

2x

1 & 3, 4 & 6, 11 & 13, 17 & 19, 18 & 20

133MHz

66MHz

2x

1 & 3, 4 & 6, 9 & 11, 17 & 19, 18 & 20

166MHz

66MHz

2.5x

3 & 5, 4 & 6, 9 & 11, 17 & 19, 18 & 20

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP1

90MHz

60MHz

1.5x

1 & 3, 2 & 4, 11 & 13, 17 & 19, 18 & 20

100MHz

66MHz

1.5x

1 & 3, 2 & 4, 9 & 11, 17 & 19, 18 & 20

120MHz

60MHz

2x

1 & 3, 4 & 6, 11 & 13, 17 & 19, 18 & 20

133MHz

66MHz

2x

1 & 3, 4 & 6, 9 & 11, 17 & 19, 18 & 20

150MHz

60MHz

2.5x

3 & 5, 4 & 6, 11 & 13, 17 & 19, 18 & 20

166MHz

66MHz

2.5x

3 & 5, 4 & 6, 9 & 11, 17 & 19, 18 & 20

200MHz

66MHz

3x

2 & 4, 3 & 5, 9 & 11, 17 & 19, 18 & 20

233MHz

66MHz

3.5x

1 & 3, 2 & 4, 9 & 11, 17 & 19, 18 & 20

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION (SINGLE)

Voltage

JP3

»

3.52v

Pins 3 & 4 closed

CPU VOLTAGE SELECTION (DUAL)

Voltage

V core

JP3

JP4

 

3.3v

2.5v

Pins 1 & 2 closed

Pins 1 & 2 closed

»

3.3v

2.8v

Pins 1 & 2 closed

Pins 3 & 4 closed

 

3.3v

2.9v

Pins 1 & 2 closed

Pins 5 & 6 closed

 

3.3v

3.3v

Pins 1 & 2 closed

Pins 9 & 10 closed