DELL COMPUTER CORPORATION

Precision 386DX/33

Processor

80386DX

Processor Speed

33MHz

Chip Set

VLSI

Max. Onboard DRAM

32MB

Cache

16KB (chipset internal)

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

Bus mouse port, floppy interface, IDE interface, parallel port, serial ports (2), VGA port

NPU Options

80387

CONNECTIONS

Purpose

Location

Purpose

Location

Internal battery holder

BAT

Reset switch

P11

Serial port 1

COM1

Speaker

P12

Serial port 2

COM2

Power LED & keylock

P13

Floppy drive interface

FDD

Turbo LED

P14

IDE interface

IDE

IDE interface LED

P15

Parallel port

LPT

VGA port

VGA

Bus mouse

MSE

   

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»

VGA interrupt request select none

JP1

pins 1 & 2 closed

 

VGA interrupt request select IRQ9

JP1

pins 2 & 3 closed

»

VGA port enabled

JP2

pins 1 & 2 closed

 

VGA port disabled

JP2

pins 2 & 3 closed

»

IDE drives installed select one

JP3

pins 1 & 2 closed

 

IDE drives installed select two

JP3

pins 2 & 3 closed

»

Monitor type select color

JP6

pins 1 & 2 closed

 

Monitor type select monochrome

JP6

pins 2 & 3 closed

»

CMOS memory normal operation

JP7

pins 2 & 3 closed

 

CMOS memory clear

JP7

pins 1 & 2 closed

»

Power good signal detect from power supply

JP10

pins 1 & 2 closed

 

Power good signal detect from board

JP10

pins 2 & 3 closed

»

Monitor type select standard VGA

SW1/1

Off

 

Monitor type select NEC MultiSync I (only)

SW1/1

On

»

Monitor type select PS/2 style VGA

SW1/2

On

 

Monitor type select AT style VGA

SW1/2

Off

»

Monitor type select 1024 x 768 interlaced

SW1/5

On

 

Monitor type select 1024 x 768 non-interlaced

SW1/5

Off

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(1) 256K x 36

NONE

NONE

NONE

2MB

(1) 256K x 36

(1) 256K x 36

NONE

NONE

3MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

NONE

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

4MB

(1) 1M x 36

NONE

NONE

NONE

5MB

(1) 1M x 36

(1) 256K x 36

NONE

NONE

6MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

NONE

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

9MB

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

NONE

10MB

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

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

17MB

(1) 4M x 36

(1) 256K x 36

NONE

NONE

18MB

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

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

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

33MB

(1) 4M x 36

(1) 4M x 36

(1) 256K x 36

NONE

34MB

(1) 4M x 36

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

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

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

VGA REFRESH CONFIGURATION

Refresh rate

SW1/3

SW1/4

»

800 x 600 x 16 at 56Hz or 800 x 600 x 256 at 56Hz

On

On

 

800 x 600 x 16 at 72Hz or 800 x 600 x 256 at 56Hz

On

Off

 

800 x 600 x 16 at 60Hz or 800 x 600 x 256 at 60Hz

Off

On

 

800 x 600 x 16 at 72Hz or 800 x 600 x 256 at 60Hz

Off

Off

VRAM CONFIGURATION

Size

Bank 0

256KB

NONE

512KB

(2) 44256 ZIPPs