ELITEGROUP COMPUTER SYSTEMS, INC.

P5TX-B

Processor

AMD, Cyrix, Pentium

Processor Speed

75/90/100/120/133/150/166/200/233MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

256MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

Award

Dimensions

281mm x 208mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

USB connector

J5

Turbo LED

J16/pins 2 & 3

IDE interface 2

J6

Green PC connector

J16/pins 4 & 5

IDE interface 1

J7

Reset switch

J16/pins 9 & 10

Serial port

J8

Power LED & keylock

J16/pins 11 - 15

Serial port

J9

Speaker

J16/pins 17 - 20

IR connector (Fast)

J10

Green PC LED

J18

IR connector

J11

IDE interface LED

J19

Parallel port

J12

Chassis fan power

J20

Floppy drive interface

J13

32-bit PCI slots

PC1 – PC4

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

J1

Unidentified

»

Factory configured - do not alter

J2

Unidentified

»

CMOS memory normal operation

JP2

Pins 2 & 3 closed

 

CMOS memory clear

JP2

Pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

4MB

(2) 512K x 32

None

8MB

(2) 512K x 32

(2) 512K x 32

8MB

(2) 1M x 32

None

12MB

(2) 1M x 32

(2) 512K x 32

16MB

(2) 2M x 32

None

16MB

(2) 1M x 32

(2) 1M x 32

20MB

(2) 2M x 32

(2) 512K x 32

24MB

(2) 2M x 32

(2) 1M x 32

32MB

(2) 4M x 32

None

32MB

(2) 2M x 32

(2) 2M x 32

36MB

(2) 4M x 32

(2) 512K x 32

40MB

(2) 4M x 32

(2) 1M x 32

48MB

(2) 4M x 32

(2) 2M x 32

64MB

(2) 8M x 32

None

64MB

(2) 4M x 32

(2) 4M x 32

68MB

(2) 8M x 32

(2) 512K x 32

72MB

(2) 8M x 32

(2) 1M x 32

80MB

(2) 8M x 32

(2) 2M x 32

96MB

(2) 8M x 32

(2) 4M x 32

128MB

(2) 8M x 32

(2) 8M x 32

128MB

(2) 16M x 32

None

132MB

(2) 16M x 32

(2) 512K x 32

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

136MB

(2) 16M x 32

(2) 1M x 32

144MB

(2) 16M x 32

(2) 2M x 32

160MB

(2) 16M x 32

(2) 4M x 32

192MB

(2) 16M x 32

(2) 8M x 32

256MB

(2) 16M x 32

(2) 16M x 32

Note: Board accepts EDO memory. The location of banks 0 & 1 are unidentified.

DIMM CONFIGURATION

Size

Bank 2

Bank 3

8MB

(1) 1M x 64

None

16MB

(1) 2M x 64

None

16MB

(1) 1M x 64

(1) 1M x 64

24MB

(1) 2M x 64

(1) 1M x 64

32MB

(1) 4M x 64

None

32MB

(1) 2M x 64

(1) 2M x 64

40MB

(1) 4M x 64

(1) 1M x 64

48MB

(1) 4M x 64

(1) 2M x 64

64MB

(1) 8M x 64

None

64MB

(1) 4M x 64

(1) 4M x 64

72MB

(1) 8M x 64

(1) 1M x 64

80MB

(1) 8M x 64

(1) 2M x 64

96MB

(1) 8M x 64

(1) 4M x 64

128MB

(1) 8M x 64

(1) 8M x 64

128MB

(1) 16M x 64

None

136MB

(1) 16M x 64

(1) 1M x 64

144MB

(1) 16M x 64

(1) 2M x 64

160MB

(1) 16M x 64

(1) 4M x 64

192MB

(1) 16M x 64

(1) 8M x 64

256MB

(1) 16M x 64

(1) 16M x 64

Note: The location of banks 2 & 3 are unidentified.

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

120MHz

50MHz

2x

1 & 3, 4 & 6, 11 & 13, 19 & 21, 20 & 22

133MHz

55MHz

2x

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

150MHz

60MHz

2x

1 & 3, 4 & 6, 9 & 11, 19 & 21, 20 & 22

166MHz

66MHz

2x

1 & 3, 4 & 6, 11 & 13, 19 & 21, 18 & 20

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AMD)

CPU speed

Clock speed

Multiplier

JP1

75MHz

50MHz

1.5x

1 & 3, 2 & 4, 11 & 13, 19 & 21, 20 & 22

90MHz

60MHz

1.5x

1 & 3, 2 & 4, 9 & 11, 19 & 21, 20 & 22

100MHz

66MHz

1.5x

1 & 3, 2 & 4, 11 & 13, 19 & 21, 18 & 20

120MHz

60MHz

2x

1 & 3, 4 & 6, 9 & 11, 19 & 21, 20 & 22

133MHz

66MHz

2x

1 & 3, 4 & 6, 11 & 13, 19 & 21, 18 & 20

166MHz

66MHz

2.5x

3 & 5, 4 & 6, 9 & 11, 19 & 21, 20 & 22

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP1

75MHz

50MHz

1.5x

1 & 3, 2 & 4, 11 & 13, 19 & 21, 20 & 22

90MHz

60MHz

1.5x

1 & 3, 2 & 4, 9 & 11, 19 & 21, 20 & 22

100MHz

66MHz

1.5x

1 & 3, 2 & 4, 11 & 13, 19 & 21, 18 & 20

120MHz

60MHz

2x

1 & 3, 4 & 6, 11 & 13, 19 & 21, 20 & 22

133MHz

66MHz

2x

1 & 3, 4 & 6, 11 & 13, 19 & 21, 18 & 20

150MHz

60MHz

2.5x

3 & 5, 4 & 6, 9 & 11, 19 & 21, 20 & 22

166MHz

66MHz

2.5x

3 & 5, 4 & 6, 11 & 13, 19 & 21, 18 & 20

200MHz

66MHz

3x

2 & 4, 3 & 5, 11 & 13, 19 & 21, 18 & 20

233MHz

66MHz

3.5x

1 & 3, 2 & 4, 11 & 13, 19 & 21, 18 & 20

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION (SINGLE)

Voltage

JP3

3.3v

Pins 3 & 4, 9 & 10 closed

3.52v

Pins 1 & 2, 9 & 10 closed

CPU VOLTAGE SELECTION (DUAL)

Voltage

V core

JP3

3.3v

2.5v

Pins 1 & 2, 11 & 12 closed

3.3v

2.8v

Pins 1 & 2, 9 & 10 closed

3.3v

2.9v

Pins 1 & 2, 7 & 8 closed