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





V486DX/XX, XXS REV. 2

DELL COMPUTER CORPORATION

V486DX/XX, XXS REV. 2

Processor

80486SX/80487SX/80486DX/80486DX2

Processor Speed

25/33/50(internal)MHz

Chip Set

OPTI

Max. Onboard DRAM

64MB

Cache

64/256KB

BIOS

AMI

Dimensions

330mm x 218mm

NPU options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Serial port 1

J10

Unidentified

J2

Turbo LED

J23

Unidentified

J3

Reset switch

J24

IDE interface

J5

Power LED & keylock

J25

Floppy drive interface

J6

Speaker

J26

Parallel port

J8

VGA interface

J27

Serial port 2

J9

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select color

W1

pins 1 & 2 closed

 

Monitor type select monochrome

W1

pins 2 & 3 closed

CMOS memory normal operation

W2

pins 1 & 2 closed

 

CMOS memory clear

W2

pins 2 & 3 closed

Factory configured - do not alter

W3

pins 2 & 3 closed

Onboard VGA enabled

W10

pins 1 & 2 closed

 

Onboard VGA disabled

W10

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

4MB

(1) 1M x 36

NONE

NONE

NONE

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 4M x 36

NONE

NONE

NONE

20MB

(1) 4M x 36

(1) 1M x 36

NONE

NONE

24MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

NONE

28MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

36MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

NONE

40MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

NONE

52MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

CACHE CONFIGURATION

Size

Bank 0

64KB

(8) 16K x 4

256KB

(8) 32K x 8

CACHE JUMPER CONFIGURATION

Size

W4

W5

W9

0KB

Open

Open

Open

64KB

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

256KB

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

CPU FREQUENCY SELECT

CPU type

W6

W7

W8

80486SX

pins 2 & 3 closed

pins 2 & 3 closed

Open

80487SX

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

80486DX

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

80486DX2

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

VIDEO RAM CONFIGURATION

Size

Bank 0

Bank 1

512KB

(4) 256KB x 4

NONE

1MB

(4) 256KB x 4

(4) 256KB x 4

Note:Bank 0 is factory installed and is not configurable.

VIDEO RAM JUMPER CONFIGURATION

Size

SW1/6

512KB

On

1MB

Off

MONITOR REFRESH RATE (800 X 600)

Rate

SW1/1

SW1/2

56Hz

Off

Off

60Hz

Off

On

72Hz

On

Off

56Hz

On

On

MONITOR REFRESH RATE (1024 X 768)

Rate

SW1/3

SW1/4

Interlaced

Off

Off

60Hz (noninterlaced)

Off

On

70Hz (noninterlaced)

On

Off

72Hz (noninterlaced)

On

On

STANDARD VGA MODES

Mode

SW1/5

40Hz horizontal, 75/80Hz vertical

On

31.5Hz horizontal, 60/70Hz vertical

Off