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