EFA CORPORATION

P6NFX-AT

Processor

Pentium Pro

Processor Speed

150/166/180/200MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

256MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB (located on Pentium Pro CPU)

BIOS

Award

Dimensions

280mm x 220mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse interface

J1

IDE interface LED

J10

USB connector

J2

External battery

J11

Serial port 2

J3

Turbo LED

J12 pins 2 & 3

IR connector

J4

Green PC connector

J12 pins 4 & 5

Serial port 1

J5

Reset switch

J12 pins 9 & 10-

Floppy drive interface

J6

Power LED & keylock

J12 pins 11 - 15

Parallel port

J7

Speaker

J12 pins 17 - 20

IDE interface 1

J8

Chassis fan power

JP1

IDE interface 2

J9

32-bit PCI slots

PC1 – PC4

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

J13

Unidentified

 

Flash BIOS voltage select 12v

JP2

Pins 2 & 3 closed

 

Flash BIOS voltage select 5v

JP2

Pins 1 & 2 closed

»

CMOS memory normal operation

JP8

Open

 

CMOS memory clear

JP8

Closed

»

Factory configured - do not alter

JR1

Unidentified

DRAM CONFIGURATION

Size

Bank 0

Bank 1

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

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.

CACHE CONFIGURATION

Note: 256KB/512KB cache is located on the Pentium Pro CPU.

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

JP3

JP4

JP5

JP6

150MHz

60MHz

2.5x

Closed

Open

Open

Closed

166MHz

66MHz

2.5x

Open

Closed

Closed

Open

180MHz

60MHz

3x

Closed

Open

Open

Closed

200MHz

66MHz

3x

Open

Closed

Closed

Open

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CON’T)

CPU speed

Clock speed

Multiplier

JP9

JP10

JP11

150MHz

60MHz

2.5x

Closed

Closed

Open

166MHz

66MHz

2.5x

Closed

Closed

Open

180MHz

60MHz

3x

Closed

Open

Closed

200MHz

66MHz

3x

Closed

Open

Closed

Note: Pins designated should be in the closed position.