EPOX COMPUTER CO., LTD.

P55-KV

Processor

CX 6X86/CX 6X86L/IBM 6X86/IBM 6X86L/AM K5/AM K6/Pentium

Processor Speed

75/90/100/120/133/150/166/180/200MHz

Chip Set

VIA

Video Chip Set

None

Maximum Onboard Memory

128MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

Award

Dimensions

220mm x 220mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN1

Power LED & keylock

J11/pins 1 – 5

Serial port 2

CN2

Speaker

J11/pins 7 - 10

Parallel port

CN3

Reset switch

J11/pins 12 & 13

Floppy drive interface

CN4

Green PC connector

J11/pins 15 & 16

IDE interface 2

CN5

Green PC LED

J11/pins 18 & 19

IDE interface 1

CN6

Turbo LED

J11/pins 20 & 21

PS/2 mouse interface

J1

IDE interface LED

J11/pins 23 & 24

IR connector

J10

32-bit PCI slots

PC1 – PC2

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Flash BIOS voltage select 5v

J6

Pins 1 & 2 closed

 

Flash BIOS voltage select 12v

J6

Pins 2 & 3 closed

SIMM CONFIGURATION

Size

Bank 0

Bank 1

4MB

(1) 1M x 36

None

8MB

(1) 1M x 36

(1) 1M x 36

8MB

(1) 2M x 36

None

16MB

(1) 2M x 36

(1) 2M x 36

16MB

(1) 4M x 36

None

32MB

(1) 4M x 36

(1) 4M x 36

32MB

(1) 8M x 36

None

64MB

(1) 8M x 36

(1) 8M x 36

64MB

(1) 16M x 36

None

128MB

(1) 16M x 36

(1) 16M x 36

CACHE CONFIGURATION

Size

Bank 0

TAG

256KB

(2) 32K x 32

Unidentified

512KB

(2) 64K x 32

Unidentified

Note: The location of the TAG is unidentified.

CPU SPEED SELECTION (CYRIX)

CPU speed

Clock speed

Multiplier

J4

J5

J7

J8

J9

120MHz

50MHz

2x

2 & 3

1 & 2

Closed

Closed

Open

133MHz

55MHz

2x

2 & 3

1 & 2

Open

Open

Open

150MHz

60MHz

2x

2 & 3

1 & 2

Closed

Open

Open

166MHz

66MHz

2x

2 & 3

1 & 2

Open

Closed

Open

200MHz

75MHz

2x

2 & 3

1 & 2

Open

Open

Closed

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (IBM)

CPU speed

Clock speed

Multiplier

J4

J5

J7

J8

J9

120MHz

50MHz

2x

2 & 3

1 & 2

Closed

Closed

Open

133MHz

55MHz

2x

2 & 3

1 & 2

Open

Open

Open

150MHz

60MHz

2x

2 & 3

1 & 2

Closed

Open

Open

166MHz

66MHz

2x

2 & 3

1 & 2

Open

Closed

Open

200MHz

75MHz

2x

2 & 3

1 & 2

Open

Open

Closed

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K5/K6)

CPU speed

Clock speed

Multiplier

J4

J5

J7

J8

J9

75MHz

50MHz

1.5x

1 & 2

1 & 2

Closed

Closed

Open

90MHz

60MHz

1.5x

1 & 2

1 & 2

Closed

Open

Open

100MHz

66MHz

1.5x

1 & 2

1 & 2

Open

Closed

Open

120MHz

60MHz

2x

2 & 3

1 & 2

Closed

Open

Open

133MHz

66MHz

2x

2 & 3

1 & 2

Open

Closed

Open

150MHz

60MHz

2.5x

2 & 3

2 & 3

Closed

Open

Open

166MHz

66MHz

2.5x

2 & 3

2 & 3

Open

Closed

Open

180MHz

60MHz

3x

1 & 2

2 & 3

Closed

Open

Open

200MHz

66MHz

3x

1 & 2

2 & 3

Open

Closed

Open

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

J4

J5

J7

J8

J9

75MHz

50MHz

1.5x

1 & 2

1 & 2

Closed

Closed

Open

90MHz

60MHz

1.5x

1 & 2

1 & 2

Closed

Open

Open

100MHz

66MHz

1.5x

1 & 2

1 & 2

Open

Closed

Open

120MHz

60MHz

2x

2 & 3

1 & 2

Closed

Open

Open

133MHz

66MHz

2x

2 & 3

1 & 2

Open

Closed

Open

150MHz

60MHz

2.5x

2 & 3

2 & 3

Closed

Open

Open

166MHz

66MHz

2.5x

2 & 3

2 & 3

Open

Closed

Open

180MHz

60MHz

3x

1 & 2

2 & 3

Closed

Open

Open

200MHz

66MHz

3x

1 & 2

2 & 3

Open

Closed

Open

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION

Type

J3A

J3B

AM K5

Pins 1 & 2 closed

Pins 1 & 2 closed

AM K6

Pins 2 & 3 closed

Pins 2 & 3 closed

CX 6X86

Pins 1 & 2 closed

Pins 1 & 2 closed

CX 6X86L

Pins 2 & 3 closed

Pins 2 & 3 closed

CX M2

Pins 2 & 3 closed

Pins 2 & 3 closed

IBM 6X86

Pins 1 & 2 closed

Pins 1 & 2 closed

IBM 6X86L

Pins 2 & 3 closed

Pins 2 & 3 closed

P54C

Pins 1 & 2 closed

Pins 1 & 2 closed

P55C

Pins 2 & 3 closed

Pins 2 & 3 closed

CPU VOLTAGE SELECTION

Voltage

J2

»

2.8v

Pins 2 & 3 closed

 

2.9v

Pins 1 & 2 closed

 

3.2v

Open