EFA CORPORATION

P5V580-AT-C

Device Type

Mainboard

Processor

CX 6X86/CX 6X86L/CX 686MX/AM K5/AM K6/Pentium/Pentium MMX

Processor Speed

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

Chip Set

VIA

Video Chip Set

None

Maximum Onboard Memory

256MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

Award

Dimensions

230mm x 220mm

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

J7/pins 1/3/5/7/9

Serial port 2

CN2

Speaker

J7/pins 2/4/6/8

Floppy drive interface

CN3

Turbo LED

J7/pins 11 & 12

Parallel port

CN4

Green PC connector

J7/pins 13 & 14

IDE interface 2

CN5

IDE interface LED

J7/pins 15 & 16

IDE interface 1

CN6

Reset switch

J7/pins 17 & 18

PS/2 mouse interface

J2

32-bit PCI slots

PC1 – PC3

IR connector

J6

   

Note: The location of J6 is unidentified.

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

J4

Unidentified

»

Factory configured - do not alter

J5

Unidentified

»

Factory configured - do not alter (CMOS memory)

JP4

Unidentified

»

Factory configured - do not alter

JP11

Unidentified

SIMM CONFIGURATION

Size

Bank 1

Bank 2

8MB

(2) 1M x 36

None

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

24MB

(2) 2M x 36

(2) 1M x 36

32MB

(2) 4M x 36

None

32MB

(2) 2M x 36

(2) 2M x 36

40MB

(2) 4M x 36

(2) 1M x 36

48MB

(2) 4M x 36

(2) 2M x 36

64MB

(2) 8M x 36

None

64MB

(2) 4M x 36

(2) 4M x 36

72MB

(2) 8M x 36

(2) 1M x 36

80MB

(2) 8M x 36

(2) 2M x 36

96MB

(2) 8M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

128MB

(2) 16M x 36

None

136MB

(2) 16M x 36

(2) 1M x 36

SIMM CONFIGURATION (CON’T)

Size

Bank 1

Bank 2

144MB

(2) 16M x 36

(2) 2M x 36

160MB

(2) 16M x 36

(2) 4M x 36

192MB

(2) 16M x 36

(2) 8M x 36

256MB

(2) 16M x 36

(2) 16M x 36

Note: Board accepts EDO memory.

DIMM CONFIGURATION

Size

Bank 0

8MB

(1) 1M x 64

16MB

(1) 2M x 64

32MB

(1) 4M x 64

64MB

(1) 8M x 64

CACHE CONFIGURATION

Size

Bank 0

256KB

(2) 32K x 32

512KB

(2) 64K x 32

CPU SPEED SELECTION (CX 6X86)

CPU speed

Clock speed

Multiplier

JP2

JP3

JP6

JP7

JP8

120MHz

50MHz

2x

Open

Closed

2 & 3

2 & 3

2 & 3

133MHz

55MHz

2x

Open

Closed

1 & 2

2 & 3

2 & 3

150MHz

60MHz

2x

Open

Closed

2 & 3

2 & 3

1 & 2

166MHz

66MHz

2x

Open

Closed

2 & 3

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX 6X86L)

CPU speed

Clock speed

Multiplier

JP2

JP3

JP6

JP7

JP8

166MHz

66MHz

2x

Open

Closed

2 & 3

1 & 2

2 & 3

200MHz

75MHz

2.5x

Closed

Closed

1 & 2

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX 6X86MX)

CPU speed

Clock speed

Multiplier

JP2

JP3

JP6

JP7

JP8

166MHz

60MHz

2.5x

Closed

Closed

2 & 3

2 & 3

1 & 2

166MHz

66MHz

2x

Open

Closed

2 & 3

1 & 2

2 & 3

200MHz

66MHz

2.5x

Closed

Closed

2 & 3

1 & 2

2 & 3

200MHz

75MHz

2x

Open

Closed

1 & 2

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K5)

CPU speed

Clock speed

Multiplier

JP2

JP3

JP6

JP7

JP8

75MHz

50MHz

1.5x

Open

Open

2 & 3

2 & 3

2 & 3

90MHz

60MHz

1.5x

Open

Open

2 & 3

2 & 3

1 & 2

100MHz

66MHz

1.5x

Open

Open

2 & 3

1 & 2

2 & 3

120MHz

60MHz

1.5x

Open

Open

2 & 3

2 & 3

1 & 2

133MHz

66MHz

1.5x

Open

Open

2 & 3

1 & 2

2 & 3

150MHz

60MHz

2.5x

Closed

Closed

2 & 3

2 & 3

1 & 2

166MHz

66MHz

2.5x

Closed

Closed

2 & 3

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K6)

CPU speed

Clock speed

Multiplier

JP2

JP3

JP6

JP7

JP8

166MHz

66MHz

2.5x

Closed

Closed

2 & 3

1 & 2

2 & 3

200MHz

66MHz

3x

Closed

Open

2 & 3

1 & 2

2 & 3

233MHz

66MHz

3.5x

Open

Open

2 & 3

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP2

JP3

JP6

JP7

JP8

75MHz

50MHz

1.5x

Open

Open

2 & 3

2 & 3

2 & 3

90MHz

60MHz

1.5x

Open

Open

2 & 3

2 & 3

1 & 2

100MHz

66MHz

1.5x

Open

Open

2 & 3

1 & 2

2 & 3

120MHz

60MHz

2x

Open

Closed

2 & 3

2 & 3

1 & 2

133MHz

66MHz

2x

Open

Closed

2 & 3

1 & 2

2 & 3

150MHz

60MHz

2.5x

Closed

Closed

2 & 3

2 & 3

1 & 2

166MHz

66MHz

2.5x

Closed

Closed

2 & 3

1 & 2

2 & 3

200MHz

66MHz

3x

Closed

Open

2 & 3

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL MMX)

CPU speed

Clock speed

Multiplier

JP2

JP3

JP6

JP7

JP8

166MHz

66MHz

2.5x

Closed

Closed

2 & 3

1 & 2

2 & 3

200MHz

66MHz

3x

Closed

Open

2 & 3

1 & 2

2 & 3

233MHz

66MHz

3.5x

Open

Open

2 & 3

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION

Type

JP5

JP10

AMD

Pins 1 & 2 closed

Open

Cyrix

Pins 1 & 2 closed

Closed

CX 6X86L-200

Pins 2 & 3 closed

Closed

CX 6X86MX-200 (75MHz)

Pins 2 & 3 closed

Closed

Intel

Pins 1 & 2 closed

Open

CPU VOLTAGE SELECTION

Voltage

JP1

JP9A

JP9B

JP9C

JP9D

JP9E

2.1v

*

Open

Open

Open

Open

Closed

2.8v

3 & 5, 4 & 6

Open

Closed

Open

Open

Open

2.9v

3 & 5, 4 & 6

Open

Closed

Open

Open

Closed

3.2v

3 & 5, 4 & 6

Open

Closed

Closed

Open

Open

3.3v

1 & 3, 2 & 4

Open

Closed

Closed

Open

Closed

3.5v

1 & 3, 2 & 4

Open

Closed

Closed

Closed

Closed

Note: Pins designated should be in the closed position. * = Reserved for future CPUs.