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DX-5500

AMPTRON INTERNATIONAL, INC.

DX-5500

   

Processor

80386DX

Processor Speed

40MHz

Chip Set

OPTI

Max. Onboard DRAM

32MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387DX

   

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J9

Turbo switch

JP5

Speaker

J17

Turbo LED

JP6

Power LED & keylock

J18

Reset switch

SW1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select color

JP1

Open

 

Monitor type select monochrome

JP1

Closed

CMOS memory normal operation

JP2

pins 2 & 3 closed

 

CMOS memory clear

JP2

pins 1 & 2 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) 4M x 9

(4) 1M x 9

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

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

128KB

(4) 32K x 8

NONE

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP7

JP8

JP9

JP10

64KB

Open

pins 2 & 3 closed

Open

Open

128KB

Closed

pins 1 & 2 closed

Open

Closed

256KB

Closed

pins 2 & 3 closed

Closed

Closed