DELL COMPUTER CORPORATION

System 325D/333D

Processor

80386DX

Processor Speed

25/33MHz

Chip Set

VLSI

Max. Onboard DRAM

16MB

Cache

None

BIOS

AMI

Dimensions

329mm x 334mm

I/O Options

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

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

VGA port

CN1

VGA pass-through

JFEAT

Parallel port

CN2

Primary floppy drive interface

JFLOP

Serial port 2

CN3

IDE interface

JIDE

Serial port 1

CN4

Reset switch

JP5/pins 1 & 2

Bus mouse port

CN5

Front panel status LCD

JVIEW

External battery

JBAT

   

USER CONFIGURABLE SETTINGS

Function

JP5

Position

»

Monitor type select color

pins 3 & 4

Closed

 

Monitor type select monochrome

pins 3 & 4

Open

»

Factory test disabled

pins 5 & 6

Open

 

Factory test enabled

pins 5 & 6

Closed

»

Password check enabled

pins 7 & 8

Closed

 

Password check disabled

pins 7 & 8

Open

»

IDE drives installed select one (on-board IDE port only)

pins 9 & 10

Closed

 

IDE drives installed select two (on-board IDE port only)

pins 9 & 10

Open

»

IDE port enabled

pins 11 & 12

Open

 

IDE port disabled

pins 11 & 12

Closed

»

Monitor type select standard VGA

pins 13 & 14

Open

 

Monitor type select multifrequency (MultiSync) VGA

pins 13 & 14

Closed

»

VGA interrupt request select none

pins 15 & 16

Open

 

VGA interrupt request select IRQ9

pins 15 & 16

Closed

»

IOCHRDY signal disabled to IDE drive(s)

pins 17 & 18

pins 19 & 20

Closed

Open

 

IOCHRDY signal enabled to IDE drive(s)

pins 17 & 18

pins 19 & 20

Open

Closed

»

VGA interface enabled

pins 21 & 22

Closed

 

VGA interface disabled

pins 21 & 22

Open

»

Factory configured - do not alter

pins 23 & 24

Open

»

Factory configured - do not alter

pins 25 & 26

Open

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

7MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

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

13MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36