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SYSTEM 316, SYSTEM 320LX

DELL COMPUTER CORPORATION

SYSTEM 316, SYSTEM 320LX

Processor

80386SX

Processor Speed

16/20MHz

Chip Set

VLSI

Max. Onboard DRAM

8MB

SRAM Cache

None

BIOS

AMI

Dimensions

355mm x 304mm

I/O Options

Diagnostic test port, floppy drive interface, IDE interface

parallel port, serial port (2)

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

BATT

Reset switch

JRES

Serial port 1

COM1

External keyboard

KEYBD

Serial port 2

COM2

Power LED & keylock

KLOCK

Floppy drive interface

FDC

Parallel port

LPT1

IDE interface

HDC

Speaker

SPKR

IDE interface LED

HDLED

Diagnostic test port

TEST

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

IRQ14 select driven to bus

JMPHD

pins 1 & 2 closed

 

IRQ14 select buffered

JMPHD

pins 2 & 3 closed

IOCHRDY signal disabled

JMPRDY

open

 

IOCHRDY signal from pin 21 enabled

JMPRDY

pins 1 & 2 closed

 

IOCHRDY signal from pin 27 enabled

JMPRDY

pins 2 & 3 closed

NPU mode select synchronous with CPU

JMPNP

open

 

NPU mode select asynchronous with CPU

JMPNP

closed

CMOS memory normal operation

MAINT

open

 

CMOS memory clear

MAINT

closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

5MB

(4) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9