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





Precision 386SX/16, Precision 386SX/25

DELL COMPUTER CORPORATION

Precision 386SX/16, Precision 386SX/25

Processor

80386SX

Processor Speed

16/25MHz

Chip Set

VLSI

Max. Onboard DRAM

16MB

Cache

None

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

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Internal battery holder

BAT

Bus mouse

MSE

Serial port 1

COM1

Power LED & keylock

PLK

Serial port 2

COM2

Reset switch

RST

Floppy drive interface

FDD

Speaker

SPK

IDE interface LED

HDL

Turbo LED

TLD

IDE interface

IDE

VGA port

VGA

Parallel port

LPT

   

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

Pipeline mode enabled

JP4

pins 2 & 3 closed

 

Pipeline mode disabled

JP4

pins 1 & 2 closed

Floppy drive interface disk change signal disabled

JP5

pins 1 & 2 closed

 

Floppy drive interface disk change signal enabled

JP5

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

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

512KB

(2) 256K x 9

NONE

1MB

(2) 256K x 9

(2) 256K x 9

2MB

(2) 1M x 9

NONE

2.5MB

(2) 1M x 9

(2) 256K x 9

4MB

(2) 1M x 9

(2) 1M x 9

8MB

(2) 4M x 9

NONE

8.5MB

(2) 4M x 9

(2) 256K x 9

10MB

(2) 4M x 9

(2) 1M x 9

16MB

(2) 4M x 9

(2) 4M x 9

Note:The on-board VGA interface will not function with less than 1MB of DRAM installed

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