beautypg.com

Clearing cmos settings, Hyper-threading – Dell Precision 470 User Manual

Page 37

background image

Advanced Features: Dell Precision Workstation 470 and 670 Computers User's Guide

file:///T|/htdocs/systems/ws670/EN/ug_en/advfeat.htm[3/20/2013 9:31:46 AM]

7. Disconnect the computer power cable from the electrical outlet, and press the power button to ground the system

board.

8.

Open the computer cover

.

9. Locate the password jumper on the system board (for the Dell Precision 470 computer, see "

System Board

Components

" and for the Dell Precision 670 computer, see "

System Board Components

") and attach the jumper plug to

reenable the password feature.

10.

Close the computer cover

.

NOTICE:

To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.

11. Connect your computer and devices to electrical outlets, and turn them on.

NOTE:

This procedure enables the password feature. When you

enter system setup

, both system and admin password

options appear as Not Set—meaning that the password feature is enabled but no password is assigned.

12. Assign a new system and/or admin password.

Clearing CMOS Settings

CAUTION:

Before you begin any of the procedures in this section, follow the safety instructions located in

the Product Information Guide.

1. Follow the procedures in "

Removing and Replacing Parts

."

2. Reset the current CMOS settings:

a. Locate the password and CMOS jumpers (RTC_RST) on the system board (for the Dell Precision 470 computer,

see "

System Board Components

" and for the Dell Precision 670 computer, see "

System Board Components

").

b. Remove the jumper plug from its pins.

c. Place the password jumper plug on the RTC_RST pins and wait approximately 5 seconds.

d. Remove the jumper plug from the RTC_RST pins and place it back on the password pins.

e.

Close the computer cover.

NOTICE:

To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.

3. Connect your computer and devices to electrical outlets, and turn them on.

Hyper-Threading

Hyper-Threading is an Intel® technology that can enhance overall computer performance by allowing one physical processor

to function as two logical processors, capable of performing certain tasks simultaneously. It is recommended that you use the

Microsoft® Windows® XP Service Pack 1 (SP1) operating system because Windows XP is optimized to take advantage of

Hyper-Threading technology. While many programs can benefit from Hyper-Threading, some programs have not been

optimized for Hyper-Threading and may require an update from the software manufacturer. Contact the software

manufacturer for updates and information about using Hyper-Threading with your software.

To determine if your computer is using Hyper-Threading technology: