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ECA 34M50HL

EFA CORPORATION

ECA 34M50HL

Processor

80386DX/80486DX/80486DX2

Processor Speed

16/20/25/33/40/50(internal)/50/66(internal)MHz

Chip Set

UMC

Max. Onboard DRAM

32MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

254mm x 218mm

I/O Options

32-bit VESA local bus slot

NPU Options

80387

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Power LED & keylock

J10

Speaker

J7

Turbo switch

J11

Turbo LED

J8

32-bit VESA local bus slot

S1

Reset switch

J9

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

BIOS type select 27256/27512

J2

pins 2 & 3 closed

 

BIOS type select 271024

J2

pins 1 & 2 closed

»

Battery type select internal

W1

Closed

 

Battery type select external

W1

Open

»

Normal operation

W2

Open

 

Self test

W2

Closed

»

Monitor type select monochrome

W3

Closed

 

Monitor type select color

W3

Open

»

CMOS memory normal operations

W12

pins 1 & 2 closed

 

CMOS memory clear

W12

pins 2 & 3 closed

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

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG (U19 & U36)

64KB

(4) 8K x 8

(4) 8K x 8

(2) 8K x 8

128KB

(4) 32K x 8

NONE

(2) 32K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(2) 32K x 8

CACHE JUMPER CONFIGURATION

Size

W4

W5

W6

W7

W8

W9

W10

W11

64KB

1 & 2

Open

1 & 2

1 & 2

Open

Open

Open

Open

128KB

2 & 3

1 & 2

2 & 3

1 & 2

Closed

Open

Closed

Open

256KB

1 & 2

2 & 3

2 & 3

2 & 3

Closed

Closed

Closed

Closed

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

J6

J13

SW2/1

SW2/2

SW2/3

SW2/4

80386DX

2 & 3

1 & 2

On

On

On

On

80486SX-20

1 & 2

1 & 2

Off

Off

Off

Off

80486SX-25

1 & 2

1 & 2

Off

Off

Off

Off

80487SX

1 & 2

1 & 2

Off

Off

Off

Off

80486DX

1 & 2

2 & 3

Off

Off

Off

Off

80486DX2

1 & 2

2 & 3

Off

Off

Off

Off

Note:Pins designated should be in the closed position

CPU TYPE CONFIGURATION (CON’T)

Type

SW2/5

SW2/6

SW2/7

SW3/1

SW3/2

SW3/3

SW3/4

80386DX

On

On

On

On

On

Off

Off

80486SX-20

Off

Off

Off

Off

Off

On

On

80486SX-25

Off

Off

Off

Off

Off

On

Off

80487SX

Off

Off

Off

On

On

Off

Off

80486DX

Off

Off

Off

On

On

Off

Off

80486DX2

Off

Off

Off

On

On

Off

Off

Note:Pins designated should be in the closed position

CPU TYPE & SPEED CONFIGURATION

Type

Speed

SW1/1

SW1/2

SW1/3

SW1/4

80486DX2-66

33MHz

On

Off

On

On

80486DX2-50

25MHz

On

On

Off

On

ODP486SX-66

33MHz

On

Off

On

On

ODP486SX-50

25MHz

On

On

Off

On

80486DX-50

50MHz

Off

Off

Off

Off

80486DX-33

33MHz

Off

Off

Off

On

80486DX-25

25MHz

On

On

Off

On

80487SX-25

25MHz

On

On

Off

On

80487SX-20

40MHz

Off

Off

On

Off

80486SX-25

25MHz

On

On

Off

On

80486SX-20

40MHz

Off

Off

On

Off

80386DX-33

66MHz

Off

Off

Off

On

80386DX-20

44MHz

On

Off

Off

Off

VESA WAIT STATE CONFIGURATION

Wait state

J3

J4

J5

Auto detect

Closed

Open

Open

0

Open

Open

Open

1

Open

Closed

Open