cmos - Techist - Tech Forum

Go Back   Techist - Tech Forum > Computer Software > Microsoft Windows and Software
Closed Thread
Thread Tools Display Modes
Old 01-02-2005, 11:40 AM   #1 (permalink)
True Techie
Join Date: Dec 2004
Posts: 207
Default cmos

how do i access the cmos instead of thr bios. there is a difference, right?

rgray is offline  
Old 01-02-2005, 11:55 AM   #2 (permalink)
PowerQuest / Opera
TheMajor's Avatar
Join Date: Jun 2004
Location: Netherlands
Posts: 10,177

The CMOS is the type of semiconductor the BIOS uses to store data.

TheMajorMMX - Intel P200 MMX @ 225Mhz - V-Tech (PcPartner) Baby-AT mb w/ Intel Triton TX chipset - Nvidia Riva TNT2 M64 w/ 16MB - 256MB M-Tec SDRAM - Still running.....
TheMajor is offline  
Old 01-02-2005, 02:33 PM   #3 (permalink)
Wizard Techie
Join Date: Jul 2003
Posts: 3,937

For the purpose you're talking about the CMOS setup utility or BIOS setup utility are the same thing. You can access this when your computer boots up by pressing usually DEL, F4, or F8
What's the difference between BIOS and CMOS?
Many people use the terms BIOS (basic input/output system) and CMOS (complementary metal oxide semiconductor) to refer to the same thing. Though they are related, they are distinct and separate components of a computer. The BIOS is the program that starts a computer up, and the CMOS is where the BIOS stores the date, time, and system configuration details it needs to start the computer.

The BIOS is a small program that controls the computer from the time it powers on until the time the operating system takes over. The BIOS is firmware, which means it cannot store variable data.

CMOS is a type of memory technology, but most people use the term to refer to the chip that stores variable data for startup. A computer's BIOS will initialize and control components like the floppy and hard drive controllers and the computer's hardware clock, but the specific parameters for startup and initializing components are stored in the CMOS.

CMOS definition: stands for Complimentary Metal Oxide Semiconductor and refers to the physical makeup of the memory chips used to contain the CMOS memory settings. The CMOS memory settings are used to semi-permanently store information about your hardware: memory amount, number and type of hard drives and floppy drives, number and type of I/O ports (serial, parallel, SCSI, USB, etc.), system bus types (ISA, PCI, EISA, etc.) and some settings related to this hardware. With Plug-and-Play components, Windows 95/98/NT can update some of this information. CMOS memory is not the same as the BIOS (Basic Input/Output System) memory which is stored in ROM (Read Only Memory) or PROM (Programmable Read Only Memory). In some systems the BIOS is stored in Flash EPROM (Flash-programmable Erasable/Programmable Read Only Memory) which is re-programmable without removing the chips from the system using special software.
ekÆsine is offline  
Closed Thread

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are Off

Our Communities

Our communities encompass many different hobbies and interests, but each one is built on friendly, intelligent membership.

» More about our Communities

Automotive Communities

Our Automotive communities encompass many different makes and models. From U.S. domestics to European Saloons.

» More about our Automotive Communities

Marine Communities

Our Marine websites focus on Cruising and Sailing Vessels, including forums and the largest cruising Wiki project on the web today.

» More about our Marine Communities

Copyright 2002-2015 Social Knowledge, LLC All Rights Reserved.

All times are GMT -5. The time now is 09:17 AM.

Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2016, vBulletin Solutions, Inc.