lotus

previous page: System 433P Motherboard Settings and Configuration
  
page up: Motherboards Jumper Settings: A-Z: D
  
next page: SYSTEM 486/T Motherboard Settings and Configuration

SYSTEM 486/L Motherboard Settings and Configuration






DELL COMPUTER CORPORATION

SYSTEM 486/L

Processor

80486SX/80487SX/80486DX/80486DX2

Processor Speed

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

Chip Set

LSI

Max. Onboard DRAM

64MB (on external card)

Cache

128KB

BIOS

Phoenix

Dimensions

330mm x 218mm

I/O Options

External cache card, floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse port

CN1

Floppy drive interface

CN7

Serial port 1

CN2

Video memory upgrade connector

CN8

Serial port 2

CN3

VGA feature connector

CN9

Parallel port

CN4

IDE interface LED

J11

VGA port

CN5

External cache card

SL1

IDE interface

CN6

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Password enabled

J1

Closed

 

Password disabled

J1

Open

»

Factory configured - do not alter

J2

Open

»

Flash BIOS write protect enabled

J3

Closed

 

Flash BIOS write protect disabled

J3

Open

»

On board VGA enabled

J4

Closed

 

On board VGA disabled

J4

Open

»

External cache card not installed

J5

Closed

 

External cache card installed

J5

Open

»

Factory configured - do not alter

J6

Open

»

Factory configured - do not alter

J9

Open

»

Factory configured - do not alter

J10

Open

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

CPU SPEED CONFIGURATION

Speed

J7

J8

25MHz

Open

Closed

33MHz

Closed

Open

50iMHz

Open

Closed

66iMHz

Closed

Open








TOP
previous page: System 433P Motherboard Settings and Configuration
  
page up: Motherboards Jumper Settings: A-Z: D
  
next page: SYSTEM 486/T Motherboard Settings and Configuration