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MODEL D2/LPS

LEADING EDGE PRODUCTS, INC.

MODEL D2/LPS

Processor

80286

Processor Speed

8/12MHz

Chip Set

C & T

Max. Onboard DRAM

4MB

Cache

None

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial port, video port

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Keylock

J14

VGA port

J43

Turbo LED

J15

Parallel port

J44

Power LED

J16

Serial port

J46

IDE interface

J22

PS/2 mouse port

J48

Floppy drive interface

J23

   

Note:The exact locations of J14, J15, and J16 are unknown.

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

IDE interface enabled

J17

Closed

 

IDE interface disabled

J17

Open

NPU speed 10MHz

J18

Open

 

NPU speed 12.5MHz

J18

Closed

VGA controller enabled

J26

Closed

 

VGA controller disabled

J26

Open

Floppy drive interface enabled

J27

Closed

 

Floppy drive interface disabled

J27

Open

Note:The exact location of J26 is unknown.

SERIAL PORT CONFIGURATION

Setting

IRQ

J32

J37

J39

J40

Enabled

4

Closed

pins 2 & 3

Closed

Closed

 

Enabled

3

Closed

pins 1 & 2

Closed

Closed

 

Disabled

N/A

Open

Open

N/A

N/A

 

Disabled

3

N/A

N/A

Open

Open

 

Disabled

4

N/A

N/A

Open

Open

Note:Pins designated should be in the closed position.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(2) 256K x 9

(2) 256K x 9

2MB

(2) 1M x 9

NONE

4MB

(2) 1M x 9

(2) 1M x 9

DRAM JUMPER CONFIGURATION

Size

J5

J7

J21

1MB

pins 1 & 2 closed

Open

Open

2MB

Open

pins 1 & 2 closed

Open

4MB

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

VESA CONFIGURATION

Wait states

J2

0 wait states

Closed

 

1 wait state

Open

PARALLEL PORT CONFIGURATION

Setting

IRQ

J38

J42

Enabled

IRQ7

Closed

Closed

 

Disabled

None

Open

Open

Note:To disable IRQ7, J41 should be left open.

VIDEO INTERRUPT SELECT

IRQ9

J47

Enabled

Closed

 

Disabled

Open

PS/2 MOUSE INTERRUPT SELECT

Interrupt

J33

J34

J35

J36

IRQ5

Closed

Closed

Closed

Closed

 

IRQ3

Open

Closed

Open

Closed

 

IRQ4

Open

Closed

Closed

Open

 

IRQ9

Open

Open

Closed

Closed