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





AC 486 PQFP

ELITEGROUP COMPUTER SYSTEMS, INC.

AC 486 PQFP

Processor

80486SX/80487SX/80486DX/80486DX2

Processor Speed

16/20/25/33/50(internal)/66(internal)MHz

Chip Set

ACC

Video Chip Set

None

Maximum Onboard Memory

32MB

Maximum Video Memory

None

Cache

None

BIOS

AMI

Dimensions

254mm x 218mm

I/O Options

None

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Reset switch

J4

Turbo LED

J2

Speaker

J5

Turbo switch

J3

Power LED & keylock

J6

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Monitor type select color

JP2

Pins 2 & 3 closed

 

Monitor type select monochrome

JP2

Pins 1 & 2 closed

 

PQFP CPU disabled

JP3

Closed

 

PQFP CPU enabled

JP3

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

None

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

None

5MB

(4) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

None

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CPU SPEED SELECTION

Speed

JP6

JP7

JP8

16MHz

Closed

Closed

Closed

20MHz

Open

Closed

Closed

25MHz

Closed

Open

Closed

33MHz

Closed

Closed

Open

50iMHz

Closed

Open

Closed

66iMHz

Closed

Closed

Open

CPU TYPE SELECTION

Type

JP4

JP5

80486SX

Pins 2 & 3 closed

Pins 2 & 3 closed

80487SX

Pins 1 & 2, 3 & 4 closed

Pins 1 & 2 closed

80486DX

Pins 1 & 2, 3 & 4 closed

Pins 3 & 4 closed

80486DX2

Pins 1 & 2, 3 & 4 closed

Pins 3 & 4 closed