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IT-AM40 Motherboard Settings and Configuration






INFORMTECH INTERNATIONAL, INC.

IT-AM40

Processor

80386DX/CX486DLC

Processor Speed

16/25/33/40MHz

Chip Set

Unidentified

Max. Onboard DRAM

32MB

Cache

64KB

BIOS

AMI

Dimensions

220mm x 218mm

I/O Options

None

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

D4

Reset switch

J5

External battery

J3

Speaker

J6

Turbo switch

J4

Power LED & keylock

J7

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

MC146818 enabled

JP1

pins 2 & 3 closed

 

DS1287 enabled

JP1

pins 1 & 2 closed

CMOS memory normal operation

JP2

pins 1 & 2 closed

 

CMOS memory clear

JP2

pins 2 & 3 closed

Monitor type select color

JP4

Closed

 

Monitor type select monochrome

JP4

Open

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) 1M x 9

(4) 256K x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

17MB

(4) 4M x 9

(4) 256K x 9

20MB

(4) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CPU TYPE CONFIGURATION

CPU Type

JP5

Intel/AMD

pins 1 & 2 closed

Cyrix

pins 2 & 3 closed

CPU SPEED CONFIGURATION

Speed

JS0

JS1

16MHz

pins 2 & 3 closed

pins 2 & 3 closed

25MHz

pins 1 & 2 closed

pins 2 & 3 closed

33MHz

pins 2 & 3 closed

pins 1 & 2 closed

40MHz

pins 1 & 2 closed

pins 1 & 2 closed








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