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BEK-3739

BEK-TRONIC TECHNOLOGY, INC.

BEK-3739

Processor

80386DX/CX486DLC

Processor Speed

25/33/40MHz

Chip Set

OPTI

Max. Onboard DRAM

32MB

Cache

128KB

BIOS

AMI

Dimensions

220mm x 170mm

I/O Options

None

NPU Options

80387DX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J2

Turbo switch

JP5

Power LED & keylock

J16

Turbo LED

JP6

Speaker

JP4

Reset switch

S1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

CMOS memory normal operation

JP1

pins 2 & 3 closed

 

CMOS memory clear

JP1

pins 1 & 2 closed

Monitor type select color

JP2

Closed

 

Monitor type select monochrome

JP2

Open

Factory configured - do not alter

JP10

N/A

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

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) 1M x 9

(4) 4M x 9

20MB

(4) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

TAG

128KB

(4) 32K x 8

(1) 8K x 8

CPU SPEED CONFIGURATION

Speed

JP7

JP8

JP9

25MHz

Open

Open

Closed

33MHz

Open

Closed

Closed

40MHz

Closed

Open

Open