...because we can't all be on the bleeding edge...





386S

AMERICAN RESEARCH CORPORATION

386S

Processor

80386DX

Processor Speed

16/20MHz

Chip Set

Unknown

Max. Onboard DRAM

8MB

Cache

None

BIOS

Phoenix

Dimensions

333mm x 305mm

I/O Options

32-bit external memory card slots (2), MIPS meter connector

NPU Options

80387

CONNECTIONS

Purpose

Location

Purpose

Location

MIPS meter

CON1

Speaker

CON5

External battery

CON2

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select color

J9

pins 1 & 2 closed

 

Monitor type select monochrome

J9

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

2MB

(4) 256K x 9

(4) 256K x 9

8MB

(4) 1M x 9

(4) 1M x 9

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Slot S1

Slot S2

2MB

(4) 256K x 9

(4) 256K x 9

NONE

NONE

4MB

(4) 256K x 9

(4) 256K x 9

2MB

NONE

6MB

(4) 256K x 9

(4) 256K x 9

2MB

2MB

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

10MB

(4) 1M x 9

(4) 1M x 9

2MB

NONE

12MB 1

(4) 1M x 9

(4) 1M x 9

2MB

2MB

12MB 2

(4) 256K x 9

(4) 256K x 9

8MB

2MB

16MB

(4) 1M x 9

(4) 1M x 9

8MB

NONE

DRAM JUMPER CONFIGURATION

Size

J3

J4

J5

J6

2MB

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

4MB

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

6MB

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

8MB

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

10MB

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

12MB 1

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

12MB 2

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

16MB

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

Note 1 :Use this setting when 2MB is installed on board and in slot S1 and S2.

Note 2 :Use this setting when 2MB is installed on board and in slot S1, and 8MB is installed in slot S2.

NPU CONFIGURATION

Setting

J1

J2

Disabled

Open

Closed

Enabled

Closed

Open

BIOS CONFIGURATION

Size

J7

J8

27128

pins 1 & 2 closed

pins 1 & 2 closed

27256

pins 2 & 3 closed

pins 1 & 2 closed

27512

pins 2 & 3 closed

pins 2 & 3 closed