...because we can't all be on the bleeding edge...





BABY EISA

AMERICAN MEGATRENDS, INC.

BABY EISA

Processor

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

Processor Speed

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

Chip Set

OPTI

Max. Onboard DRAM

128MB

Cache

64/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

Mouse connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Mouse connector

J2

Speaker

J22

Power LED & keylock

J31

Reset switch

J27

USER CONFIGURABLE SETTINGS

Function

Switch

Position

Factory configured - do not alter

SW1/1

Off

Monitor type select monochrome

SW1/2

Off

 

Monitor type select color

SW1/2

On

DRAM CONFIGURATION

Size

Bank 0

Bank 1

4MB

(4) 1M x 9

NONE

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

64MB

(4) 16M x 9

NONE

128MB

(4) 16M x 9

(4) 16M x 9

CACHE CONFIGURATION

Size

Bank 0

64KB

(8) 8K x 8

256KB

(8) 32K x 8

CACHE JUMPER CONFIGURATION

Size

J14

J15

J18

J19

J30

64KB

Open

Open

Open

Open

1 & 2

256KB

Closed

Closed

Closed

Closed

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

J9

80486SX

pins 2 & 3 closed

80486DX

pins 1 & 2, 3 & 4 closed

80486DX2

pins 1 & 2, 3 & 4 closed

CPU SPEED CONFIGURATION

Jumper

J3

J6

J16

J17

J30

20MHz

1 & 2

Closed

Open

Open

2 & 3

25MHz

1 & 2

Open

Open

Open

1 & 2

33MHz

1 & 2

Open

Open

Closed

1 & 2

50iMHz

1 & 2

Open

Open

Open

1 & 2

50MHz

2 & 3

Open

Closed

Closed

1 & 2

66iMHz

1 & 2

Open

Open

Closed

1 & 2

Note : When installing an 80487SX or an ODP486SX use the CPU socket labled CPU-X. Pins designated should be in the closed position.