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DeskMaster 486S/20

SAMSUNG ELECTRONICS AMERICA, INC.

DeskMaster 486S/20

Processor

80486SX

Processor Speed

20MHz

Chip Set

OPTI

Max. Onboard DRAM

32MB

Cache

None

BIOS

Phoenix

Dimensions

330mm x 218mm

I/O Options

Floppy drive interface, IDE interface, parallel port, PS/2 bus mouse, serial port (2), VGA port, video feature interface connector

NPU Options

80487SX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

C1

Floppy drive interface

C8

PS/2 bus mouse

C2

Video feature interface

C9

Serial port two

C3

Reset switch

J1

Serial port one

C4

Power LED & keylock

J2

Parallel port

C5

Speaker

J3

VGA video port

C6

IDE interface LED

J4

IDE interface

C7

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Factory configured - do not alter

J5

Closed

IDE interface enabled

J6

Closed

 

IDE interface disabled

J6

Open

Battery select internal

J7

Closed

 

Battery select external

J7

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

5MB

(4) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

17MB

(4) 256K x 9

(4) 4M x 9

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9