Processor

AMD386SX/CX486SLC/TX486SLC

Processor Speed

25/33/40MHz

Chip Set

Acer

Max. Onboard DRAM

16MB

Cache

None

BIOS

AMI

Dimensions

220mm x 170mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

Turbo switch

J4

Speaker

J2

Reset switch

J5

Turbo LED

J3

External battery

J10

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Turbo switch select normal

J4

Open

Turbo switch select turbo

J4

Closed

»

NPU synchronous with CPU

J6

pins 1 & 2 closed

NPU asynchronous with CPU

J6

pins 2 & 3 closed

»

Monitor type select color

J8

pins 2 & 3 closed

Monitor type select monochrome

J8

pins 1 & 2 closed

»

Battery type select internal

J11

pins 1 & 2 closed

Battery type select external

J11

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

512KB

(2) 256K x 9

NONE

1MB

(2) 256K x 9

(2) 256K x 9

2MB

(2) 1M x 9

NONE

4MB

(2) 1M x 9

(2) 1M x 9

8MB

(2) 4M x 9

NONE

16MB

(2) 4M x 9

(2) 4M x 9

CPU SPEED CONFIGURATION

Speed

J7

J9

25MHz

pins 1 & 2 closed

pins 2 & 3 closed

33MHz

pins 2 & 3 closed

pins 2 & 3 closed

40MHz

pins 1 & 2 closed

pins 1 & 2 closed