AMERICAN MEGATRENDS, INC.

EZ-FLEX SERIES 28

Device Type

Mainboard

Processor

AM386DX/80386DX/80487SX/80486SX/80486DX/80486DX2

Processor Speed

16/20/25/33/40/50MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

128MB

Maximum Video Memory

None

Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

Floppy drive interface, parallel port, PS/2 mouse interface, serial ports (2), CPU slot

NPU Options

80387DX/3167/4167

CONNECTIONS

Purpose

Location

Purpose

Location

Floppy drive interface

P002

Turbo switch

P014

PS/2 mouse interface

P003

Turbo LED

P015

Parallel port

P004

Reset switch

P016

Auxiliary keyboard connector

P005

Digital LED

P021

Serial port 2

P006

5v power

PS001

Serial port 1

P007

5v power

PS002

Power LED & keylock

P012

3.3v power

PS003

Speaker

P013

CPU slot

SL1

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

J001

Unidentified

»

Factory configured - do not alter

SW01/1

Off

»

Monitor type select monochrome

SW01/2

Off

 

Monitor type select color

SW01/2

On

Note: The location of the switch(es) is unidentified.

SIMM 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

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

None

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

Note: 64KB/128KB/256KB cache is located on the CPU card.