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





MODEL M (MP1676L)

LEADING EDGE PRODUCTS, INC.

MODEL M (MP1676L)

Processor

8088

Processor Speed

7.16MHz

Chip Set

None

Max. Onboard DRAM

256KB

Cache

None

BIOS

Leading Edge

Dimensions

355mm x 304mm

I/O Options

Serial port, 32-bit external memory card slot, floppy drive interface

NPU Options

8087

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port

J8

No connection

P6

DC power

P1 & P2

32-bit external memory card

P7

Keyboard connector

P3

Floppy drive interface

P8

Power LED

P5

   

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

Factory configured - do not alter

JP1

Open

Serial port select IRQ3

JP2

pins 1 & 2 closed

 

Serial port select IRQ4

JP2

pins 2 & 3 closed

Serial port select voltage interface

JP3, JP4, JP5, & JP6

pins 1 & 2 closed

 

Serial port select current interface

JP3, JP4, JP5, & JP6

pins 2 & 3 closed

Serial port select COM1

JP10

pins 1 & 2 closed

 

Serial port select COM2

JP10

pins 2 & 3 closed

Factory configured - do not alter

SW1/1

Off

Factory configured - do not alter

SW1/3

Off

Factory configured - do not alter

SW1/4

Off

Factory configured - do not alter

SW2/5

Off

Factory configured - do not alter

SW2/6

Off

Factory configured - do not alter

SW2/7

Off

Factory configured - do not alter

SW2/8

Off

Self test select normal operation

SW3/1

On

 

Self test select continuously repeating

SW3/1

Off

Monitor type select medium resolution

SW3/2

On

 

Monitor type select high resolution

SW3/2

Off

Leading Edge PC advanced features enabled

SW3/3

On

 

Leading Edge PC advanced features disabled

SW3/3

Off

Serial interface mode XON/OFF disabled

SW3/4

On

 

Serial interface mode XON/OFF enabled

SW3/4

Off

Self test disabled

SW3/5

On

 

Self test enabled

SW3/5

Off

NPU speed select 8MHz

SW3/6

On

 

NPU speed select 5MHz

SW3/6

On

NPU disabled

SW3/7

On

 

NPU enabled

SW3/7

On

CPU speed select fast

SW3/8

On

 

CPU speed select slow

SW3/8

On

DRAM CONFIGURATION

Size

Bank 0

256KB

(9) HM50256P-15

Note:Memory is factory installed and is not configurable.

DRAM SWITCH CONFIGURATION

Size

SW1/2

SW2/1

SW2/2

SW2/3

SW2/4

128KB

On

On

Off

On

On

256KB

On

On

Off

Off

On

384KB

On

On

Off

On

Off

512KB

On

On

Off

Off

Off

640KB

Off

On

Off

On

On

Note:Memory configurations above 256KB must use the proprietary memory expansion card.

DRAM SWITCH CONFIGURATION

Size

SW2/5

SW2/6

None

On

On

Monochrome

Off

Off

40 x 25 CGA

Off

On

80 x 25 CGA

On

Off