ICL

DRS M35/286

Processor

80286

Processor Speed

Unidentified

Chip Set

Unidentified

Max. Onboard DRAM

5MB

Cache

None

BIOS

Unidentified

Dimensions

330mm x 218mm

I/O Options

Floppy drive interface, IDE interface, parallel port, serial ports (2), PS/2 mouse interface, VGA feature connector, VGA port, riser slot

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Keyboard connector

J1

IDE interface LED

JP6

Reset switch

J2

VGA feature connector

JP14

PS/2 mouse interface

J3

Serial port

P1

External battery

J5

Serial port

P2

Keylock

J1A1

Parallel port

P3

IDE interface

JP1

VGA port

P4

Floppy drive interface

JP2

Riser slot

SL1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

 

Password enabled

CON1

Closed

 

Password disabled

CON1

Open

 

Parallel port IRQ select IRQ7

JP5

Pins 2 & 3 closed

 

Parallel port IRQ select IRQ5

JP5

Pins 1 & 2 closed

 

On board video enabled

JP15

Closed

 

On board video disabled

JP15

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

1MB

1MB

None

None

1.5MB

1MB

(2) 256K x 9

None

2MB

1MB

(2) 256K x 9

(2) 256K x 9

3MB

1MB

(2) 1M x 9

None

5MB

1MB

(2) 1M x 9

(2) 1M x 9

Note: Bank 0 is factory installed and is not configurable.

MISCELLANEOUS TECHNICAL NOTE

The location of pin 1 is unidentified.