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K386SX

UNIDENTIFIED

K386SX

Processor

80386SX

Processor Speed

16/20MHz

Chip Set

C & T NEAT

Max. Onboard DRAM

8MB

Cache

None

BIOS

AMI/Phoenix

Dimensions

330mm x 218mm

I/O Options

Parallel port, serial ports (2), floppy drive interface, IDE interface

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 2

J2

Turbo LED

J20

Serial port 1

J3

IDE interface LED

J22

Parallel port

J4

Turbo switch

J23

External battery

J11

Speaker

J25

IDE interface

J12

Reset switch

J28

Floppy drive interface

J13

Power LED & keylock

J29

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

IRQ14 busy when IDE interface is busy

J19

pins 1 & 2 closed

 

IRQ14 clear when IDE interface is busy

J19

pins 2 & 3 closed

Factory configured - do not alter

J24

open

NPU disabled

J26

closed

 

NPU enabled

J26

open

Floppy drive interface enabled

SW1/1

Off

 

Floppy drive interface disabled

SW1/1

On

Floppy drive interface select primary address

SW1/2

Off

 

Floppy drive interface select secondary address

SW1/2

On

IDE interface select primary address

SW1/3

Off

 

IDE interface select secondary address

SW1/3

On

I/O channel ready signal (IOCHRDY) disconnected

SW1/4

Off

 

I/O channel ready signal (IOCHRDY) connected

SW1/4

On

IDE interface enabled

SW1/5

On

 

IDE interface disabled

SW1/

Off

Factory configured - do not alter

SW1/6

On

CMOS memory normal operation

SW1/7

On

 

CMOS memory clear

SW1/7

Off

Monitor type select color

SW1/8

On

 

Monitor type select monochrome

SW1/8

Off

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

1.5MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

NONE

2MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

3MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

NONE

4MB

(2) 1M x 9

(2) 1M x 9

NONE

NONE

5MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

(2) 1M x 9

6MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

NONE

8MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9