ADVANCED LOGIC RESEARCH, INC.

386/220 REV. C

Processor

80386SX

Processor Speed

20MHz

Chip Set

ALR

Max. Onboard DRAM

12MB (8MB on external memory card)

Cache

None

BIOS

Phoenix

Dimensions

330mm x 218mm

I/O Options

External memory card

NPU Options

80287/80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

J19

Power LED & keylock

J20

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»

Factory configured - do not alter

E2

Open

»

Monitor type select CGA/EGA/VGA

SW1/1

On

 

Monitor type select monochrome

SW1/1

Off

»

Factory configured - do not alter

SW1/2

Off

»

Factory configured - do not alter

SW1/3

Off

»

Memory size select 1MB

SW1/4

Off

 

Memory size select 2MB

SW1/4

On

»

ROM to RAM enabled

SW1/5

On

 

ROM to RAM disabled

SW1/5

Off

»

Speed select low

SW1/8

On

 

Speed select high

SW1/8

Off

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(18) 44256

NONE

NONE

NONE

2MB

(18) 44256

(18) 44256

NONE

NONE

3MB

(18) 44256

(18) 44256

(18) 44256

NONE

4MB

(18) 44256

(18) 44256

(18) 44256

(18) 44256

NUMERIC COPROCESSOR CONFIGURATION

Type

SW1/6

SW1/7

Not installed

Off

On

80287

On

Off

80387

Off

Off