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486FLE2

EFA CORPORATION

486FLE2

Processor

80486SX/ODP486SX/80486DX/80487SX/ODP486DX/80486DX2

Processor Speed

16/20/25/33/50(internal)/50/66(internal)MHz

Chip Set

SIS

Max. Onboard DRAM

32MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

JP4

Turbo switch

JP9

Speaker

JP7

Turbo LED

JP22

Reset switch

JP8

32-bit VESA Local bus slots

S1 & S2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

 

Monitor type select color

JP1

Closed

 

Monitor type select monochrome

JP1

Open

Factory configured - do not alter

JP5

pins 1 & 2 closed

Factory configured - do not alter

JP6

pins 1 & 2 closed

Factory configured - do not alter

JP21

Closed

Note:The exact locations of JP1 & JP21 are unknown.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

2MB

(4) 512K x 9

NONE

4MB

(4) 1M x 9

NONE

4MB

(4) 512K x 9

(4) 512K x 9

8MB

(4) 1M x 9

(4) 1M x 9

8MB

(4) 2M x 9

NONE

16MB

(4) 4M x 9

NONE

16MB

(4) 2M x 9

(4) 2M x 9

18MB

(4) 512K x 9

(4) 4M x 9

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE JUMPER CONFIGURATION

Size

JP11

JP12

JP13

JP14

JP15

JP16

64KB

pins 2 & 3

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

128KB

pins 1 & 2

pins 2 & 3

pins 1 & 2

pins 2 & 3

pins 1 & 2

pins 2 & 3

256KB

pins 4 & 5

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 2 & 3

Note:Pins designated should be in the closed position.

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 4

128KB

(4) 32K x 8

NONE

(1) 8K x 4

128KB

(4) 32K x 8

NONE

(1) 32K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

CPU SPEED CONFIGURATION

Speed

SW2/switch 1

SW2/switch 2

SW2/switch 3

16MHz

On

Off

On

20MHz

Off

Off

On

25MHz

On

On

Off

33MHz

Off

On

Off

50i MHz

On

On

Off

50MHz

Off

Off

Off

66i MHz

Off

On

Off

CPU TYPE CONFIGURATION

Type

JP3

JP24

JP25

SW3/1

SW3/2

SW3/3

SW3/4

SW3/5

80486SX

N/A

N/A

N/A

Off

Off

Off

On

Off

80486SX (PQFP)

Open

Open

1 & 2

N/A

N/A

N/A

N/A

N/A

ODP486SX

N/A

N/A

N/A

On

Off

On

Off

On

80486DX

N/A

N/A

N/A

On

On

Off

Off

On

80486DX (PQFP)

Closed

Closed

N/A

N/A

N/A

N/A

N/A

N/A

ODP486DX

N/A

N/A

N/A

On

Off

On

Off

On

80486DX2

N/A

N/A

N/A

On

On

Off

Off

On

Note:Pins designated should be in the closed position.