System 200 Motherboard Settings and Configuration

Processor

80286

Processor Speed

6/8/12MHz

Chip Set

C & T

Max. Onboard DRAM

16MB

Cache

None

BIOS

Phoenix

Dimensions

335mm x 192mm

I/O Options

None

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

BAT

Parallel port

LPT

Serial port 1

COM1

Power LED & keylock

PLK

Serial port 2

COM2

Reset switch

RST

Floppy drive interface

FDD

Speaker

SPK

Note: On most board revisions, the floppy interface is not functional or has been removed.

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Maintenance mode disabled

J5

Open

Maintenance mode enabled

J5

Closed

»

NPU installed select 80287 or 80C287

J13 & J14

pins 1 & 2 closed

NPU installed select IC-based debugger

J13 & J14

pins 2 & 3 closed

»

Factory configured - do not alter

J15

Open

»

Factory configured - do not alter

J16

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(1) 256K x 36

NONE

NONE

NONE

2MB

(1) 256K x 36

(1) 256K x 36

NONE

NONE

3MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

NONE

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

4MB

(1) 1M x 36

NONE

NONE

NONE

5MB

(1) 1M x 36

(1) 256K x 36

NONE

NONE

6MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

NONE

7MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

9MB

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

NONE

10MB

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

13MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

Note: Sizes shown here are in addition to 640KB factory configured on the main board.