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M4 386SX

MORSE TECHNOLOGIES, INC.

M4 386SX

Processor

80386SX

Processor Speed

33/40MHz

Chip Set

Morse

Max. Onboard DRAM

16MB

Cache

None

BIOS

AMI

Dimensions

220mm x 220mm

I/O Options

None

NPU Options

80387SX/CX387SLC

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

JP1

Turbo LED

JP7

Turbo switch

JP5

Power LED & keylock

JP8

Reset switch

JP6

Speaker

JP9

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select monochrome

JP3

Open

 

Monitor type select color

JP3

Closed

NPU synchronous with CPU

JP4

pins 1 & 2 closed

 

NPU asynchronous with CPU

JP4

pins 2 & 3 closed

Turbo mode enabled

JP5

Closed

 

Turbo mode disabled

JP5

Open

Factory configured - do not alter

JP10

Open

CPU type select Intel & AMD

OP1

Open

 

CPU type select Cyrix

OP1

Closed

Note: The location of OP1 is unknown.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

512KB

(2) 256K x 9

NONE

1MB

(2) 256K x 9

(2) 256K x 9

1MB

(2) 512K x 9

NONE

2MB

(2) 512K x 9

(2) 512K x 9

2MB

(2) 1M x 9

NONE

4MB

(2) 1M x 9

(2) 1M x 9

8MB

(2) 4M x 9

NONE

16MB

(2) 4M x 9

(2) 4M x 9