EVERSOURCE COMPUTERS, INC.

HT18 386SX

Processor

80386SX

Processor Speed

16/20/25MHz

Chip Set

Headland

Max. Onboard DRAM

8MB

Cache

None

BIOS

AMI

Dimensions

220mm x 220mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo button

JP2

Turbo switch

JP10

External battery

JP6

Power LED & keylock

JP11

Reset switch

JP7

Speaker

JP17

Turbo LED

JP9

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select color

JP1

Closed

 

Monitor type select monochrome

JP1

Open

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

2MB

(2) 1M x 9

NONE

NONE

NONE

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

4.5MB

(2) 256K x 9

(2) 1M x 9

(2) 1M x 9

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

PIPELINE MODE CONFIGURATION

Size

JP12

JP13

JP15

JP16

Disabled

Open

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

Enabled

Closed

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed