EPOX COMPUTER CO., LTD.

P55-VP

Processor

CX M1/AM K5/Pentium

Processor Speed

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

Chip Set

VIA

Video Chip Set

None

Maximum Onboard Memory

192MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

Award

Dimensions

254mm x 218mm

I/O Options

32-bit PCI slots (3), 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

J5/pins 1 – 5

Serial port 2

CN2

Speaker

J5/pins 7 - 10

Floppy drive interface

CN3

Reset switch

J5/pins 12 & 13

Parallel port

CN4

Green PC connector

J5/pins 15 & 16

IDE interface 2

CN5

Turbo LED

J5/pins 18 & 19

IDE interface 1

CN6

IDE interface LED

J5/pins 21 & 22

PS/2 mouse interface

J1

Green PC LED

J5/pins 24 & 25

IR connector

J2

32-bit PCI slots

PC1 – PC3

Chassis fan power

J3

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Flash BIOS voltage select 12v

JP1

Pins 2 & 3 closed

 

Flash BIOS voltage select 5v

JP1

Pins 1 & 2 closed

DIMM/DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

8MB

(2) 1M x 36

None

None

8MB

None

None

(1) 1M x 64

16MB

(2) 2M x 36

None

None

16MB

(2) 1M x 36

(2) 1M x 36

None

16MB

None

None

(1) 2M x 64

16MB

(2) 1M x 36

None

(1) 1M x 64

24MB

(2) 2M x 36

(2) 1M x 36

None

24MB

(2) 1M x 36

None

(1) 2M x 64

24MB

(2) 2M x 36

None

(1) 1M x 64

24MB

(2) 1M x 36

(2) 1M x 36

(1) 1M x 64

32MB

(2) 4M x 36

None

None

32MB

(2) 2M x 36

(2) 2M x 36

None

32MB

None

None

(1) 4M x 64

32MB

(2) 2M x 36

None

(1) 2M x 64

40MB

(2) 4M x 36

(2) 1M x 36

None

40MB

(2) 1M x 36

None

(1) 4M x 64

40MB

(2) 4M x 36

None

(1) 1M x 64

48MB

(2) 4M x 36

(2) 2M x 36

None

48MB

(2) 2M x 36

None

(1) 4M x 64

48MB

(2) 4M x 36

None

(1) 2M x 64

48MB

(2) 2M x 36

(2) 2M x 36

(1) 2M x 64

64MB

(2) 8M x 36

None

None

64MB

(2) 4M x 36

(2) 4M x 36

None

64MB

None

None

(1) 8M x 64

64MB

(2) 4M x 36

None

(1) 4M x 64

DIMM/DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

72MB

(2) 8M x 36

(2) 1M x 36

None

72MB

(2) 1M x 36

None

(1) 8M x 64

72MB

(2) 8M x 36

None

(1) 1M x 64

80MB

(2) 8M x 36

(2) 2M x 36

None

80MB

(2) 2M x 36

None

(1) 8M x 64

80MB

(2) 8M x 36

None

(1) 2M x 64

96MB

(2) 8M x 36

(2) 4M x 36

None

96MB

(2) 4M x 36

None

(1) 8M x 64

96MB

(2) 8M x 36

None

(1) 4M x 64

96MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

None

128MB

(2) 8M x 36

None

(1) 8M x 64

192MB

(2) 8M x 36

(2) 8M x 36

(1) 8M x 64

Note: Board accepts EDO memory.

CACHE CONFIGURATION

Size

Bank 0

TAG

256KB

(2) 32K x 32

Unidentified

512KB

(2) 64K x 32

Unidentified

CPU SPEED SELECTION (CYRIX)

CPU speed

Clock speed

Multiplier

JP2A

JP2B

JP2C

JP7

JP8

120MHz

50MHz

2x

Closed

Closed

Closed

2 & 3

1 & 2

133MHz

55MHz

2x

Closed

Closed

Open

2 & 3

1 & 2

150MHz

60MHz

2x

Open

Closed

Closed

2 & 3

1 & 2

166MHz

66MHz

2x

Closed

Open

Closed

2 & 3

1 & 2

200MHz

75MHz

2x

Open

Closed

Open

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AMD)

CPU speed

Clock speed

Multiplier

JP2A

JP2B

JP2C

JP7

JP8

75MHz

50MHz

1.5x

Closed

Closed

Closed

1 & 2

1 & 2

90MHz

60MHz

1.5x

Open

Closed

Closed

1 & 2

1 & 2

100MHz

66MHz

1.5x

Closed

Open

Closed

1 & 2

1 & 2

120MHz

60MHz

2x

Open

Closed

Closed

2 & 3

1 & 2

133MHz

66MHz

2x

Closed

Open

Closed

2 & 3

1 & 2

150MHz

60MHz

2.5x

Open

Closed

Closed

2 & 3

2 & 3

166MHz

66MHz

2.5x

Closed

Open

Closed

2 & 3

2 & 3

180MHz

60MHz

3x

Open

Closed

Closed

1 & 2

2 & 3

200MHz

66MHz

3x

Closed

Open

Closed

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP2A

JP2B

JP2C

JP7

JP8

75MHz

50MHz

1.5x

Closed

Closed

Closed

1 & 2

1 & 2

90MHz

60MHz

1.5x

Open

Closed

Closed

1 & 2

1 & 2

100MHz

66MHz

1.5x

Closed

Open

Closed

1 & 2

1 & 2

120MHz

60MHz

2x

Open

Closed

Closed

2 & 3

1 & 2

133MHz

66MHz

2x

Closed

Open

Closed

2 & 3

1 & 2

150MHz

60MHz

2.5x

Open

Closed

Closed

2 & 3

2 & 3

166MHz

66MHz

2.5x

Closed

Open

Closed

2 & 3

2 & 3

180MHz

60MHz

3x

Open

Closed

Closed

1 & 2

2 & 3

200MHz

66MHz

3x

Closed

Open

Closed

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION

Type

JP4A

JP4B

JP4C

JP6

CX6X86

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Open

CX6X86L

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

Open

AM K5

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Closed

AM K6

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

Closed

Intel

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Closed

Intel MMX

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

Closed

CPU VOLTAGE SELECTION

Voltage

JP3

»

2.5v

Pins 1 & 2 closed

 

2.8v

Pins 2 & 3 closed

 

2.9v

Open