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486-33

GVC TECHNOLOGIES, INC.

486-33

Processor

80486SX/80487SX/80486DX

Processor Speed

16/20/25/33MHz

Chip Set

ETEQ

Max. Onboard DRAM

32MB

Cache

64/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

JP1

Speaker

JP35

Power LED & keylock

JP33

Turbo LED

JP36

Reset switch

JP34

Turbo switch

JP37

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

CMOS memory normal operation

JP2

pins 2 & 3 closed

 

CMOS memory clear

JP2

pins 1 & 2 closed

Monitor type select color

JP3

Closed

 

Monitor type select monochrome

JP3

Open

Factory configured - do not alter

JP15

N/A

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) 1M x 9

(4) 256K 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

CACHE CONFIGURATION

Size

Bank 0

64KB

(8) 8K x 8

256KB

(8) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP25

JP26

JP27

JP28

JP30

64KB

1 & 2

1 & 2

Closed

Closed

Closed

256KB

2 & 3

2 & 3

Open

Open

Open

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP4

JP5

80486SX

Open

pins 1 & 2 closed

80487SX

pins 1 & 2 closed

pins 2 & 3 closed

80486DX

pins 2 & 3 closed

pins 2 & 3 closed