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AC 486 PGA

ELITEGROUP COMPUTER SYSTEMS, INC.

AC 486 PGA

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

JP1

Pins 2 & 3 closed

 

Monitor type select monochrome

JP1

Pins 1 & 2 closed

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 TYPE SELECTION

Type

JP3

JP4

JP5

80486SX (primary)

N/A

Open

Pins 2 & 3 closed

80487SX (upgrade)

Pins 1 & 2 closed

Closed

N/A

80486DX (primary)

N/A

Open

Pins 1 & 2, 3 & 4 closed

80486DX (upgrade)

Pins 2 & 3 closed

Closed

N/A

80486DX2 (primary)

N/A

Open

Pins 1 & 2, 3 & 4 closed

80486DX2 (upgrade)

Pins 2 & 3 closed

Closed

N/A

Note: Primary CPU is CPU1 & upgrade CPU is CPU2.