OGIVAR, INC.

286 9B-10

Processor

80286 (exact location unidentified)

Processor Speed

8/10MHz

Chip Set

Unidentified

Max. Onboard DRAM

1MB

Cache

None

BIOS

Unidentified

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

J13

External battery

J18

External keyboard connector

J16

Turbo switch

J20

Reset switch

J17

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

J23

pins 1 & 2 closed

 

CMOS memory clear

J23

pins 2 & 3 closed

»

CPU speed select low

SW1

pins 1 & 2 closed

 

CPU speed select high

SW1

Open

 

CPU speed select logical

SW1

pins 2 & 3 closed

»

Monitor type select color

SW2

pins 1 & 2 closed

 

Monitor type select monochrome

SW2

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

256KB

(18) 4164

(18) 4164

512KB

(18) 41256

NONE

640KB

(18) 41256

(18) 4164

1MB

(18) 41256

(18) 41256

DRAM JUMPER CONFIGURATION

Size

W4

W5

256KB

pins 1 & 2 closed

pins 1 & 2 closed

512KB

pins 2 & 3 closed

pins 1 & 2 closed

640KB

pins 1 & 2 closed

pins 2 & 3 closed

1MB

pins 2 & 3 closed

pins 2 & 3 closed

NPU SPEED CONFIGURATION

Speed

W7

W8

8MHz

Closed

pins 1 & 2 closed

10MHz

Open

pins 2 & 3 closed

BATTERY TYPE CONFIGURATION

Type

J21

J22

3v lithium

Closed

Open

6v lithium

Open

Closed

6v alkaline

Open

Open