AMERICAN MEGATRENDS, INC.

486 EISA ENTERPRISE

Processor

80486DX

Processor Speed

25/33MHz

Chip Set

AMI

Max. Onboard DRAM

32MB

Cache

64/256KB (on external cache module)

BIOS

AMI

Dimensions

355mm x 305mm

I/O Options

32-bit external memory card slot, cache module connectors, floppy drive interface, PS/2 mouse port

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J2

Reset switch

J15

PS/2 mouse port

J3

Turbo switch

J16

Floppy interface

J5

Turbo LED

J17

Cache module connectors

J6

32-bit external memory card

J19

Speaker

J11

Diagnostic LED

J20

Power LED & keylock

J12

   

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»

Factory configured - do not alter

J1

Open

»

Factory configured - do not alter

J4

N/A

»

Floppy drive type select most drives (normal)

J8

pins 1 & 2 closed

 

Floppy drive type select PS/2 compatible(reversed DENSEL)

J8

pins 2 & 3 closed

»

Factory configured - do not alter

J21

N/A

»

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 1

Bank 2

4MB

(4) 1M x 9

NONE

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

32MB

(4) 4M x 9

(4) 4M x 9

DRAM JUMPER CONFIGURATION

Size

J7

4MB

Open

8MB

Open

16MB

Closed

32MB

Closed