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BIAT-12/BIAT-16/BIAT-20/BIAT-24

UNIDENTIFIED

BIAT-12/BIAT-16/BIAT-20/BIAT-24

Processor

80286

Processor Speed

12/16/20/24MHz

Chip Set

C & T NEAT

Max. Onboard DRAM

4MB

Cache

None

BIOS

Phoenix

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo switch

J2

Speaker

J6

Turbo LED

J3

Power LED & keylock

J7

Reset switch

J4

External battery

J26

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select color

J5

Closed

 

Monitor type select monochrome

J5

Open

BIOS type select 27256

J8

pins 1 & 2 closed

 

BIOS type select 27128

J8

pins 2 & 3 closed

I/O bus select 0 wait states

JP1

pins 1 & 2 closed

 

I/O bus select 1 wait state

JP1

pins 2 & 3 closed

NPU mode select synchronous with CPU

JP2

pins 1 & 2 closed

 

NPU mode select synchronous with oscillator at OSC1

JP2

pins 2 & 3 closed

Keyboard controller set on pin 23

JP3

pins 1 & 2 closed

 

Keyboard controller set on pin 27

JP3

pins 3 & 4 closed

 

Keyboard controller set on pin 30

JP3

pins 5 & 6 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

512KB

(18) 41256

NONE

640KB

(18) 41259

(18) 4164

1MB

(18) 41256

(18) 41256

2MB

(18) 411000

NONE

4MB

(18) 411000

(18) 411000