UNIDENTIFIED

ZERO-WAIT 286 TURBO

Processor

80286

Processor Speed

12MHz

Chip Set

VLSI

Max. onboard DRAM

4MB

Cache

None

BIOS

Unknown

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

J2

External battery

JP8

Power LED & keylock

J3

Turbo Switch

JP10

Zero-wait LED

JP6

Turbo LED

JP12

Reset switch

JP7

   

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»

Monitor type select color

JP1

Closed

 

Monitor type select monochrome

JP1

Open

»

RAM select 0 wait states

JP2

Closed

 

RAM select 1 wait state

JP2

Open

»

BIOS type select 27256

JP9

Closed

 

BIOS type select 27128

JP9

Open

»

Battery type select external

JP11

pins 1 & 2 closed

 

Battery type select internal

JP11

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

JP3

JP4

JP5

512KB

(18) 41256

NONE

Open

Open

Open

640KB

(18) 41256

(18) 4164

Closed

Open

Open

1024KB

(18) 41256

(18) 41256

Open

Closed

Open

2048KB

(18) 411000

NONE

Closed

Closed

Open

2560KB

(18) 411000

(18) 41256

Open

Open

Closed

4096KB

(18) 411000

(18) 411000

Open

Open

Closed