CHAINTECH COMPUTER COMPANY, LTD.

325S/333S/333SC/340SC

Processor

AM386DX/80386DX

Processor Speed

25/33/40MHz

Chip Set

AMD

Max. Onboard DRAM

8MB (325S/333S) / 16MB (333SC/340SC)

Cache

64KB (333SC/340SC)

BIOS

AMI

Dimensions

330mm x 217mm

I/O Options

None

NPU Options

80387DX/3167

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Turbo switch

J12

Power LED & keylock

J10

Speaker

J13

Turbo LED

J11

Reset switch

J14

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter

J2

pins 1 & 2 closed

»

Monitor type select color

J3

Closed

 

Monitor type select monochrome

J3

Open

»

Cache size select 32KB

J9

pins 1 & 2 closed

 

Cache size select 64KB

J9

pins 2 & 3 closed

»

Factory configured - do not alter

J19

pins 2 & 3 closed

»

NPU synchronous with CPU

JX

pins 1 & 2 closed

 

NPU asynchronous with CPU

JX

pins 2 & 3 closed

Note: Cache configuration is for 333SC/340SC only.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(4) 256K x 9

NONE

NONE

NONE

2MB

(4) 256K x 9

(4) 256K x 9

NONE

NONE

4MB

(4) 1M x 9

NONE

NONE

NONE

5MB

(4) 256K x 9

(4) 1M x 9

NONE

NONE

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

12MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

NONE

16MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

8042 SPEED SELECT

8042 pin number

J4

»

23

pins 5 & 6 closed

 

24

pins 7 & 8 closed

 

29

pins 1 & 2 closed

 

30

pins 3 & 4 closed

MODEL TYPE SELECT

Type

J5

J6

J7

J8

325S/333S

Closed

Closed

Closed

Closed

333SC/340SC

Open

Open

Open

Open