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3486-ECV

DIAMOND FLOWER, INC.

3486-ECV

Processor

80386DX/CX486DLC/AMD486DX/80486SX/80486DX/80486DX2

Processor Speed

25/33/40/50(internal)/50/66(internal)MHz

Chip Set

EFAR

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

80387DX

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

Reset switch

J5

Speaker

J2

Keyboard connector

J6

Turbo LED

J3

External battery

J7

Turbo switch

J4

32-bit VESA Local bus slots

SL1 & SL2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Flash BIOS write protect disabled

JP31

Open

 

Flash BIOS write protect enabled

JP31

Closed

Factory configured - do not alter.

JP32

Open

Battery select internal

JP33

pins 2 & 3 closed

 

Battery select external

JP33

pins 1 & 2 closed

Fast ready select disabled

JP36

Open

 

Fast ready select enabled

JP36

Closed

Note: The location of the factory configured jumper in unidentified.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

5MB

(4) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 1M x 9

(4) 4M x 9

20MB

(4) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

128KB

(4) 32K x 8

NONE

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP8

JP9

JP10

JP11

JP27

JP28

JP29

64KB

2 & 3

1 & 2

1 & 2

1 & 2

Closed

Open

Open

128KB

1 & 2

1 & 2

2 & 3

2 & 3

Closed

Closed

Open

256KB

1 & 2

1 & 2

1 & 2

1 & 2

Closed

Closed

Closed

Note: pins designated should be in the closed position.

CPU SPEED CONFIGURATION - 486SX/DX & 487SX

Speed

JP1

JP2

JP3

JP16

JP17

JP34

JP37

25MHz

Closed

Open

Open

2 & 3

Open

1 & 2

2 & 3

33MHz

Closed

Open

Closed

2 & 3

Open

1 & 2

2 & 3

40MHz

Open

Closed

Closed

1 & 2

Open

1 & 2

2 & 3

50MHz

Closed

Open

Open

1 & 2

Open

2 & 3

2 & 3

Note: pins designated should be in the closed position.

CPU SPEED CONFIGURATION - 486DX2 & OVERDRIVE

Speed

JP1

JP2

JP3

JP16

JP17

JP34

JP37

50iMHz

Closed

Open

Open

2 & 3

Open

1 & 2

2 & 3

66iMHz

Closed

Open

Closed

2 & 3

Open

1 & 2

2 & 3

Note: pins designated should be in the closed position.

CPU SPEED CONFIGURATION - 386DX & 486DLC

Speed

JP1

JP2

JP3

JP16

JP17

JP34

JP37

25MHz

Closed

Open

Open

2 & 3

Closed

1 & 2

2 & 3

33MHz

Closed

Open

Closed

2 & 3

Closed

1 & 2

2 & 3

40MHz

Closed

Closed

Open

2 & 3

Closed

1 & 2

2 & 3

Note: pins designated should be in the closed position.

CPU SPEED CONFIGURATION - CX 486S/S2

Speed

JP1

JP2

JP3

JP16

JP17

JP34

JP37

33MHz

Closed

Closed

Closed

1 & 2

Open

1 & 2

2 & 3

40MHz

Open

Closed

Closed

1 & 2

Open

1 & 2

2 & 3

Note: pins designated should be in the closed position.

CPU SPEED CONFIGURATION - AMD 486DX

Speed

JP1

JP2

JP3

JP16

JP17

JP34

JP37

40MHz

Closed

Closed

Open

2 & 3

Open

2 & 3

2 & 3

Note: pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP6

JP7

JP19

JP23

JP24

JP25

JP26

JP30

386

Open

Open

Closed

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

486DLC

Open

Open

Open

2 & 3

1 & 2

1 & 2

1 & 2

2 & 3

486

Closed

Closed

Open

1 & 2

2 & 3

2 & 3

2 & 3

2 & 3

Note: pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP20

JP21

JP22

JP35

486SX

Open

Closed

Open

Open

487SX

Closed

pins 1 & 2 open

pins 1 & 2 open

Open

486DX/DX2

Closed

pins 1 & 2 open

pins 2 & 3 open

Open

CX486S

Open

pins 2 & 3 open

Open

Open

CX486S2

Open

pins 2 & 3 open

Open

Closed

Note: pins designated should be in the closed position.

CPU JUMPER CONFIGURATION

Type

JP6

JP7

JP19

JP23

JP24

JP25

JP26

JP30

386DX

Open

Open

Closed

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

486DLC

Open

Open

Closed

2 & 3

1 & 2

1 & 2

1 & 2

2 & 3

Note: pins designated should be in the closed position.

CPU JUMPER CONFIGURATION

CPU

JP6

JP7

JP19

JP20

JP21

JP22

AMD486

Closed

Closed

Open

Closed

1 & 2

2 & 3

CX486S

Closed

Closed

Open

Open

2 & 3

Open

486SX

Closed

Closed

Open

Open

2 & 3

Open

486DX/DX2

Closed

Closed

Open

Closed

1 & 2

2 & 3

Note: pins designated should be in the closed position.

CPU JUMPER CONFIGURATION

CPU

JP23

JP24

JP25

JP26

JP30

JP35

AMD486

1 & 2

2 & 3

2 & 3

2 & 3

Open

2 & 3

CX486S

1 & 2

2 & 3

2 & 3

2 & 3

2 & 3

Open

486SX

1 & 2

2 & 3

2 & 3

2 & 3

2 & 3

Open

486DX/DX2

1 & 2

2 & 3

2 & 3

2 & 3

2 & 3

Open

Note: pins designated should be in the closed position.

VESA CPU TYPE CONFIGURATION

CPU Type

JP12

JP13

80386

pins 1 & 2 closed

pins 2 & 3 closed

80486

pins 2 & 3 closed

pins 1 & 2 closed

VESA WAIT STATE/BUS SPEED CONFIGURATION

CPU speed

Wait states

JP14

JP15

< 33MHz

0 wait states

pins 1 & 2 closed

pins 1 & 2 closed

> 33MHz

1 wait state

pins 2 & 3 closed

pins 2 & 3 closed