SAMSUNG ELECTRONICS AMERICA, INC.

SAMSUNG 386SX

Processor

80386SX

Processor Speed

25MHz

Chip Set

Unidentified

Max. Onboard DRAM

8MB

Cache

None

BIOS

Phoenix

Dimensions

330mm x 190mm

I/O Options

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

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN1

Reset switch

J4

Serial port 2

CN2

External battery

J5

Parallel port

CN3

IDE interface LED

J6

Keyboard connnector

J1

IDE interface

JP4

Turbo switch

J2

Floppy drive interface

JP5

Power LED & keylock

J3

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

BIOS type select 27256

JP2

Open

 

BIOS type select 27512

JP2

Closed

»

IDE interface enabled

JP6

Open

 

IDE interface disabled

JP6

Closed

»

Monitor type select color

JP10

Closed

 

Monitor type select monochrome

JP10

Open

»

NPU disabled

NPX

pins 1 & 2 closed

 

NPU enabled

NPX

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB

(2) 256K x 9

NONE

NONE

NONE

1MB

(2) 256K x 9

(2) 256K x 9

NONE

NONE

2MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

2MB

(2) 1M x 9

NONE

NONE

NONE

4MB

(2) 1M x 9

(2) 1M x 9

NONE

NONE

8MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

HARD DRIVE CONFIGURATION

Type

JP3

JP7

All other types

Closed

Open

Miniscribe old version

Open

Closed

PARALLEL PORT CONFIGURATION

Setting

JP8

Enabled

pins 3 & 4 open

Disabled

pins 3 & 4 closed

PARALLEL PORT CONFIGURATION

LPT

JP1

JP8

LPT1

pins 9 & 10 open, pins 11 & 12 closed

pins 1 & 2 open

LPT2

pins 9 & 10 closed, pins 11 & 12 open

pins 1 & 2 closed

SERIAL PORT 1 CONFIGURATION

Setting

JP8

Enabled

pins 5 & 6 open

Disabled

pins 5 & 6 closed

SERIAL PORT 1 CONFIGURATION

COM port

JP1

JP8

COM1

pins 3 & 4 closed, pins 7 & 8 open

pins 7 & 8 open

COM2

pins 3 & 4 open, pins 7 & 8 closed

pins 7 & 8 closed

SERIAL PORT 2 CONFIGURATION

Setting

JP8

Enabled

pins 9 & 10 open

Disabled

pins 9 & 10 closed

SERIAL PORT 2 CONFIGURATION

COM port

JP1

JP8

COM1

pins 1 & 2 closed, pins 5 & 6 open

pins 7 & 8 open

COM2

pins 1 & 2 open, pins 5 & 6 closed

pins 7 & 8 closed