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SYSTEM V386SX/XX REV. 2

DELL COMPUTER CORPORATION

SYSTEM V386SX/XX REV. 2

Processor

80386SX

Processor Speed

16/25MHz

Chip Set

VLSI

Max. Onboard DRAM

16MB

Cache

None

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

Floppy drive interface, IDE interface,video interface, parallel port, PS/2 mouse port, serial ports (2), Video interface

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface LED

J1

Parallel port

CN3

Reset switch

J2

Floppy drive interface

CN4

Speaker

J3

IDE interface

CN5

Power LED & keylock

J4

Video interface

CN6

Serial port 1

CN1

Mouse interface

CN7

Serial port 2

CN2

   

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

VGA IRQ generation disabled

JP1

pins 1 & 2 closed

 

VGA IRQ generation enabled

JP1

pins 2 & 3 closed

On board VGA enabled

JP2

pins 2 & 3 closed

 

On board VGA disabled

JP2

pins 1 & 2 closed

Single IDE drive enabled

JP3

pins 1 & 2 closed

 

Dual IDE drive enabled

JP3

pins 2 & 3 closed

Pipeline mode enabled

JP4

pins 2 & 3 closed

 

Pipeline mode disabled

JP4

pins 1 & 2 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

 

Old style Multisync monitor enabled

SW1/1

On

 

All other monitors enabled

SW1/1

Off

 

PS/2 style VGA installed

SW1/2

On

 

AT style VGA installed

SW1/2

Off

 

1024 x 768 interlaced enabled

SW1/5

On

 

1024 x 768 non interlaced enabled

SW1/5

Off

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(1) 256K x 36

NONE

2MB

(1) 256K x 36

(1) 256K x 36

4MB

(1) 1M x 36

NONE

5MB

(1) 1M x 36

(1) 256K x 36

8MB

(1) 1M x 36

(1) 1M x 36

16MB

(1) 4M x 36

NONE

VRAM CONFIGURATION

Size

Bank 0

Bank 1

256KB

(2) 256K x 4

NONE

512KB

(2) 256K x 4

(2) 256K x 4

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

VIDEO REFRESH RATES (800 X 600)

Refresh rate

Colors

SW1/3

SW1/4

56Hz

16

On

On

56Hz

256

On

Off

56Hz

256

On

On

60Hz

16

Off

On

60Hz

256

Off

On

60Hz

256

Off

Off

72Hz

16

Off

Off

72Hz

16

On

Off