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SW-386SX

UNIDENTIFIED

SW-386SX

Processor

80386SX

Processor Speed

16/20MHz

Chip Set

Intel

Max. Onboard DRAM

8MB

Cache

None

BIOS

AMI/Phoenix

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Turbo switch

J23

Turbo LED

J21

Power LED & keylock

J24

Reset switch

J22

Speaker

J25

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Turbo switch enabled

J23

Open

 

Turbo switch disabled

J23

pins 2 & 3 closed

Factory configured - do not alter

JP1

Open

CMOS memory normal operation

JP2

pins 1 & 2 closed

 

CMOS memory clear

JP2

pins 2 & 3 closed

BIOS type select AMI

JP4

pins 1 & 2 closed

 

BIOS type select Phoenix

JP4

pins 2 & 3 closed

Monitor type select color

JP5

pins 1 & 2 closed

 

Monitor type select monochrome

JP5

pins 2 & 3 closed

DRAM CONFIGURATION (TYPE A)

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB

(18) 41256

NONE

NONE

NONE

1MB

(18) 41256

(18) 41256

NONE

NONE

2MB

(18) 41256

(18) 41256

(2) 256K x 9

(2) 256K x 9

Note:Type A -- base memory = banks 0 & 1 and extended memory = banks 2 & 3. Type B - base memory = banks 2 & 3 and extended memory = banks 0 & 1.

DRAM CONFIGURATION (TYPE B)

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) 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

Note:Type A -- base memory = banks 0 & 1 and extended memory = banks 2 & 3. Type B - base memory = banks 2 & 3 and extended memory = banks 0 & 1.

DRAM JUMPER CONFIGURATION

Type

JP9

Type A

pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10, 11 & 12, 13 & 14, 15 & 16, 17 & 18, 19 & 20, 21 & 22, 23 & 24 closed

Type B

pins 1 & 3, 2 & 4, 5 & 7, 6 & 8, 9 & 11, 10 & 12, 13 & 15, 14 & 16, 17 & 19, 18 & 20, 21 & 23, 22 & 24 closed

Note:Type A -- base memory = banks 0 & 1 and extended memory = banks 2 & 3. Type B - base memory = banks 2 & 3 and extended memory = banks 0 & 1.

DRAM MODE CONFIGURATION

Mode

JP21

JP22

F1

pins 1 & 2 closed

pins 2 & 3 closed

F4

pins 1 & 2 closed

pins 1 & 2 closed

W01

pins 2 & 3 closed

pins 1 & 2 closed

W02

pins 2 & 3 closed

pins 2 & 3 closed