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MT386SBC/486SLC

MULTI-TECH SYSTEMS, INC.

MT386SBC/486SLC

Processor

80386SX/CX486SLC

Processor Speed

25MHz

Chip Set

UMC

Max. Onboard DRAM

16MB

Cache

None

BIOS

Phoenix

Dimensions

340mm x 105mm

I/O Options

Floppy drive interface, IDE interface, parallel port, serial ports (2), VGA port

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN1

Serial port 2

P4

VGA port

CN2

Power LED & keylock

P5 pins 1-5

IDE interface LED

J11

External switch reset

P5 pin 7

Turbo LED

J12

Keyboard inhibit switch

P5 pin 8

Hardware reset switch

J13

Speaker

P5 pins 9-10

IDE interface

P1

Turbo switch

P5 pins 11-12

Floppy drive interface

P2

Parallel port

P8

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Pipeline control disabled

J2

Open

 

Pipeline control disabled

J2

Closed

NPU asynchronous with CPU

J3

Open

 

NPU synchronous with CPU

J3

Closed

IDE interface enabled

J4

pins 1 & 2 closed

 

IDE interface disabled

J4

pins 2 & 3 closed

Hardware reset when DCD on COM1 goes from on to off enabled

J5

Closed

 

Hardware reset when DCD on COM1 goes from on to off disabled

J5

Open

Parallel port unidirectional (printer)

J7

pins 2 & 3 closed

 

Parallel port bidirectional

J7

pins 1 & 2 closed

IRQ9 connected to AT bus

J10

pins 2 & 3 closed

 

IRQ9 connected to internal VGA

J10

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

512KB

(2) 256K x 9

NONE

1MB

(2) 256K x 9

(2) 256K x 9

4MB

(2) 1M x 9

(2) 1M x 9

8MB

(2) 4M x 9

NONE

16MB

(2) 4M x 9

(2) 4M x 9