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P5HX-LA

ELITEGROUP COMPUTER SYSTEMS, INC.

P5HX-LA

Processor

CX M1/Pentium

Processor Speed

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

Chip Set

Intel

Video Chip Set

ATI

Maximum Onboard Memory

384MB

Maximum Video Memory

2MB

Cache

256/512KB

BIOS

Award

Dimensions

330mm x 218mm

I/O Options

Floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, riser slot, cache slot, IR connectors (2), USB connector, CD-ROM audio connector, wavetable connector, Modem Blaster Pro connector, audio interface connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

J1

IR connector (Fast)

J17

Serial port 2

J2

Turbo LED

J18/pins 2 & 3

Parallel port

J3

Green PC connector

J18/pins 4 & 5

PS/2 mouse port

J4

Turbo switch

J18/pins 6 & 7

VGA port

J6

Reset switch

J18/pins 9 & 10

CD-ROM audio in connector

J7

Power LED & keylock

J18/pins 11 - 15

USB connector

J8

Speaker

J18/pins 17 - 20

VGA feature connector

J9

Modem Blaster Pro connector

J20

IR connector (Intel)

J10

Audio interface connector

J21

Floppy drive interface

J11

Chassis fan power

JP18

IDE interface 1

J12

Wavetable connector

JP19

IDE interface 2

J13

Riser slot

SL1

IDE interface LED

J15

Cache slot

SL2

Green PC LED

J16

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

On board video enabled

JP1/pins 1 & 2

Open

 

On board video disabled

JP1/pins 1 & 2

Closed

 

VGA IRQ enabled

JP1/pins 3 & 4

Open

 

VGA IRQ disabled

JP1/pins 3 & 4

Closed

 

Spare I/O decoding

JP1/pins 5 & 6

Open

 

Block I/O decoding

JP1/pins 5 & 6

Closed

CMOS memory normal operation

JP11

Pins 2 & 3 closed

 

CMOS memory clear

JP11

Pins 1 & 2 closed

 

Audio enabled

JP23

Pins 2 & 3 closed

 

Audio disabled

JP23

Pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

8MB

(2) 1M x 36

None

None

16MB

(2) 1M x 36

(2) 1M x 36

None

16MB

(2) 2M x 36

None

None

24MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

24MB

(2) 2M x 36

(2) 1M x 36

None

32MB

(2) 2M x 36

(2) 1M x 36

(2) 1M x 36

32MB

(2) 2M x 36

(2) 2M x 36

None

32MB

(2) 4M x 36

None

None

40MB

(2) 4M x 36

(2) 1M x 36

None

48MB

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

48MB

(2) 4M x 36

(2) 1M x 36

(2) 1M x 36

48MB

(2) 4M x 36

(2) 2M x 36

None

DRAM CONFIGURATION (CONT)

Size

Bank 0

Bank 1

Bank 2

64MB

(2) 4M x 36

(2) 2M x 36

(2) 2M x 36

64MB

(2) 4M x 36

(2) 4M x 36

None

64MB

(2) 8M x 36

None

None

72MB

(2) 8M x 36

(2) 1M x 36

None

80MB

(2) 8M x 36

(2) 1M x 36

(2) 1M x 36

80MB

(2) 8M x 36

(2) 2M x 36

None

96MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

96MB

(2) 8M x 36

(2) 2M x 36

(2) 2M x 36

96MB

(2) 8M x 36

(2) 4M x 36

None

128MB

(2) 8M x 36

(2) 4M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

None

128MB

(2) 16M x 36

None

None

136MB

(2) 16M x 36

(2) 1M x 36

None

144MB

(2) 16M x 36

(2) 1M x 36

(2) 1M x 36

160MB

(2) 16M x 36

(2) 4M x 36

None

160MB

(2) 16M x 36

(2) 2M x 36

(2) 2M x 36

192MB

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

192MB

(2) 16M x 36

(2) 4M x 36

(2) 4M x 36

192MB

(2) 16M x 36

(2) 4M x 36

(2) 4M x 36

256MB

(2) 16M x 36

(2) 8M x 36

(2) 8M x 36

256MB

(2) 16M x 36

(2) 16M x 36

None

384MB

(2) 16M x 36

(2) 16M x 36

(2) 16M x 36

CACHE CONFIGURATION

Size

Bank 0

SL1

TAG0

TAG1

256KB (A)

(2) 32K x 32

Not installed

(1) 8K/32 x 8

None

256KB (B)

None

256KB module installed

None

None

512KB (A)

(2) 32K x 32

256KB module installed

(1) 8K/32 x 8

(1) 8K/32 x 8

512KB (B)

None

512KB module installed

None

None

CACHE JUMPER CONFIGURATION

Size

JP4

JP12

256KB (A)

Closed

Pins 1 & 2 closed

256KB (B)

Open

Pins 1 & 2 closed

512KB (A)

Closed

Pins 3 & 4 closed

512KB (B)

Open

Pins 3 & 4 closed

VIDEO MEMORY CONFIGURATION

Size

Bank 0

Bank 1

1MB

(2) 256K x 16

None

2MB

(2) 256K x 16

(2) 256K x 16

CPU SPEED SELECTION (CYRIX)

CPU speed

Clock speed

Multiplier

JP5

JP6

JP8

JP14

120MHz

50MHz

2x

2 & 3

1 & 2

2 & 3

1 & 2

133MHz

55MHz

2x

2 & 3

1 & 2

1 & 2

1 & 2

150MHz

60MHz

2x

2 & 3

1 & 2

1 & 2

1 & 2

166MHz

66MHz

2x

2 & 3

1 & 2

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CYRIX, CONT)

CPU speed

Clock speed

Multiplier

JP15

JP16

JP17

JP20

120MHz

50MHz

2x

1 & 2

1 & 2

1 & 2

2 & 3

133MHz

55MHz

2x

1 & 2

1 & 2

1 & 2

1 & 2

150MHz

60MHz

2x

1 & 2

1 & 2

1 & 2

2 & 3

166MHz

66MHz

2x

1 & 2

1 & 2

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP5

JP6

JP8

JP14

75MHz

50MHz

1.5x

1 & 2

1 & 2

2 & 3

1 & 2

90MHz

60MHz

1.5x

1 & 2

1 & 2

1 & 2

1 & 2

100MHz

66MHz

1.5x

1 & 2

1 & 2

2 & 3

1 & 2

120MHz

60MHz

2x

2 & 3

1 & 2

1 & 2

1 & 2

133MHz

66MHz

2x

2 & 3

1 & 2

2 & 3

1 & 2

150MHz

60MHz

2.5x

2 & 3

2 & 3

1 & 2

1 & 2

166MHz

66MHz

2.5x

2 & 3

2 & 3

2 & 3

1 & 2

166MHz (P55C)

66MHz

2.5x

2 & 3

2 & 3

2 & 3

2 & 3

200MHz

66MHz

3x

1 & 2

2 & 3

2 & 3

1 & 2

200MHz (P55C)

66MHz

3x

1 & 2

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL, CONT)

CPU speed

Clock speed

Multiplier

JP15

JP16

JP17

JP20

75MHz

50MHz

1.5x

1 & 2

1 & 2

1 & 2

2 & 3

90MHz

60MHz

1.5x

1 & 2

1 & 2

1 & 2

2 & 3

100MHz

66MHz

1.5x

1 & 2

1 & 2

1 & 2

1 & 2

120MHz

60MHz

2x

1 & 2

1 & 2

1 & 2

2 & 3

133MHz

66MHz

2x

1 & 2

1 & 2

1 & 2

1 & 2

150MHz

60MHz

2.5x

1 & 2

1 & 2

1 & 2

2 & 3

166MHz

66MHz

2.5x

1 & 2

1 & 2

1 & 2

1 & 2

166MHz (P55C)

66MHz

2.5x

2 & 3

2 & 3

2 & 3

1 & 2

200MHz

66MHz

3x

1 & 2

1 & 2

1 & 2

1 & 2

200MHz (P55C)

66MHz

3x

2 & 3

2 & 3

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION

Voltage

V core

JP13

JP21

 

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

 

3.52v

2.5v

Pins 3 & 4 closed

Pins 1 & 2 closed

3.52v

2.8v

Pins 3 & 4 closed

Pins 3 & 4 closed

 

3.52v

2.9v

Pins 3 & 4 closed

Pins 5 & 6 closed