...because we can't all be on the bleeding edge...





MODEL D2

LEADING EDGE PRODUCTS, INC.

MODEL D2

Processor

80286

Processor Speed

8/10MHz

Chip Set

Zymos

Max. onboard DRAM

1MB

Cache

None

BIOS

Leading Edge

Dimensions

330mm x 330mm

I/O Options

Floppy drive interface, parallel port, serial port

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Parallel port

CN1

Speaker

CN4

Serial port (25 pin)

CN2

Power LED & keylock

CN5

Floppy drive interface

CN3

Keyboard connector

CN6

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Floppy drive interface enabled

J7

Closed

 

Floppy drive interface disabled

J7

Open

Floppy drive interface address select primary

J8

pins 2 & 3 closed

 

Floppy drive interface address select secondary

J8

pins 1 & 2 closed

BIOS select 1 wait state

J25

pins 2 & 3 closed

 

BIOS select 0 wait states

J25

pins 1 & 2 closed

CPU speed select 10MHz

J26

pins 2 & 3 closed

 

CPU speed select 8MHz

J26

pins 1 & 2 closed

Monitor type select monochrome

J27

pins 2 & 3 closed

 

Monitor type select color

J27

pins 1 & 2 closed

Factory configured - do not alter

J28

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

J23

J24

640KB

(16) 41256

(16) 4164

NONE

pins 2 & 3

pins 2 & 3

1024KB

(16) 41256

(16) 41256

NONE

pins 2 & 3

pins 1 & 2

1152KB

(16) 41256

(16) 4164

(16) 41256

pins 1 & 2

pins 2 & 3

Note:Pins designated should be in the closed position.

SERIAL PORT CONFIGURATION

COM1

COM2

IRQ

J5

J6

COM1

Disabled

4

pins 1 & 2 closed

pins 1 & 2 closed

 

COM1

Disabled

3

pins 1 & 2 closed

pins 2 & 3 closed

 

Disabled

COM2

3

pins 2 & 3 closed

pins 2 & 3 closed

 

Disabled

COM2

4

pins 2 & 3 closed

pins 1 & 2 closed

 

Disabled

Disabled

N/A

pins 1, 2 & 3 closed

N/A

PARALLEL PORT CONFIGURATION

LPT1

LPT2

IRQ

J3

J4

LPT1

Disabled

7

pins 1 & 2 closed

pins 1 & 2 closed

 

LPT1

Disabled

5

pins 2 & 3 closed

pins 1 & 2 closed

 

Disabled

LPT2

5

pins 2 & 3 closed

pins 2 & 3 closed

 

Disabled

LPT2

7

pins 1 & 2 closed

pins 2 & 3 closed

 

Disabled

Disabled

N/A

N/A

pins 1, 2, & 3 closed