System boards are the main circuit boards comprising electronic systems, including computers

6,460 Questions
Computer Hardware
Graphics Cards

Will an 8x AGP video card work in a 4x AGP slot?

It will work, if it is compatible with the signalling voltage on the motherboard (1.5v for AGP 1x, 2x and 4x), but it will only work at up to the 4x that your motherboard is capable of. You may need to change your BIOS settings for AGP= 4x to obtain maximum performance from your motherboard and graphics card. AGP 8x cards run at 0.8v but some may permit 1.5v 4x compatibility.

Those folks experiencing problems with 8x cards in 4x slots might consider the possibility of power supply issues. It's not unusual to see newer cards requiring 300-350 watt power supplies with specific voltages requiring up to 18 amps. Many old Dells and others have only 250 watt supplies, and the new dual gizmo gazillion megahertz screamers take a lot more juice than the factory-supplied cards.

Some 8x cards are designed to be able to clock down to 4x, some are not. Many times it will say whether or not this is possible right on the box. In all respects the motherboard or 8x card should not be damaged by attempting this, the worst that will happen is it wont work.

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Do new motherboards come with RAM?

No, a Motherboard is purchased with nothing included unless you purchase a package deal (where you get Motherboard, Processor and Ram as a kit.)


What are two main parts of a battery?

Electrodes... Positive (anode) and Negative (cathode) electrodes which are attached to the terminals. The electrodes provide the chemical energy which is converted to a flow of electrons.

And the electrolyte, the electrolyte separates the electrodes but allows for the passages of electrons and ions for the electro-chemical reaction of the electrodes.

Computer Hardware
Home Electricity

How do you rate a surge protector?

Surge protectors have a finite life, they can only absorb a certain amount of energy before failing. They are rated by how much energy in joules they can handle.

Computer Hardware

How many pci slots are on a mother board?

Boards have evolved over the years. They started out with 1 , then went to 2 on up to about 6. As they evolved they have gotten to be fewer with the advent of pci xpress. My mother board has one PCI and 2 PCI xpress. As more devices utilize the USB bus, card slots become less necessary. Most any device on a PCI card can be found on a USB device.

Computer Memory

Can a DDR3 Fit in a DDR2 slot?


Computer Memory

Can you put different types of RAM on a motherboard?

To answer your question, let's make something clear: there can be four different things meant when you ask about "different types":

  1. Different technologies: for instance, SDR (Single Data Rate), DDR (Double Data Rate), DDR2 (2nd Generation Double Data Rate), etc.
  2. Different speeds: within a given technologies, the RAM can be built to run at different speeds: 800Mhz, 1066Mhz, 1333Mhz, etc.
  3. Different features: RAM designs have a bunch of other properties, depending on their target audience. Things like ECC (Error Correction), being buffered or unbuffered, are the major extra features.
  4. Different hardware: even if two pieces of RAM have #1 - #3 all the same, it is possible to construct the RAM itself from a variety of different physical chips. For instance, a 1Gbyte RAM module can be made using 8 x 1Gbit chips, or 4 x 2Gbit chips, or 2 x 4Gbit chips.

The short answer to this question (which will satisfy 99% of all computers), is that a computer can use only a single technology and feature set, can use speeds equal to or GREATER than your existing RAM, and can normally use different hardware designs within that technology and feature set.

For instance, the vast majority of systems which are sold as "desktops" (NOT workstations or servers), use a single type of SDR, DDR, DDR2, or DDR3 RAM (these days, it's DDR3, with DDR2 common for machines made in the last 5 years), with the feature set of NO ECC, and NO buffering ("unbuffered"). Very, very briefly around 2000-01, there were some of systems made that had BOTH SDR and DDR sockets - however, only ONE of those two sets of RAM sockets could be used at once, so it wasn't possible to use DDR and SDR RAM at the same time. Systems can use any speed of RAM, but will run at the LOWEST speed of any DIMM used - so, if you have a mix of 800Mhz and 1333Mhz DIMMs, the system runs at 800Mhz.

Please check your motherboard or system documentation. It will explicitly lay out the combinations of the four factors above that can be used in your system. If your motherboard manual doesn't explicitly say it can be used, then DON'T assume it works. If you are unsure, ask your local computer repair store - they'll know for certain.

Computer Memory
Intel Microprocessors

What ram is compatible with the Intel D 865 Perl?

PC 3200/DDR 400

Sound Cards

Motherboard drivers MS-7309 ver 1.0?


Hard Disk Drives
Microsoft Xbox 360

Do you have to reformat your hard drive when installing a new motherboard?

Usually you do not have to wipe the hard drive. Most operating systems will let you boot up from a hard drive regardless of which computer/mother board it's running with.

However, I have heard that Windows XP will not allow the operating system to boot up if you move the hard drive to a new computer. I guess when you register it with the license key, the OS records information about the hardware as well. If that hardware changes, then XP fails to boot. This is only something I've heard about, and I've actually tried to move an XP hard drive to a new PC and it did not boot up - but personally - I'm not aware if this is an XP issue or another hardware problem that I was experiencing at the time.

Also, it is always best to format a drive when installing a new motherboard, especially if the new board has a different chip set than the original; VIA, INTEL, AMD, NFORCE ...

Win XP is especially testy of all the operating systems. If the ide controller is different than the original it will blue screen at first boot and is hard to get past. Only with a repair reinstall can you pass it.

One other problem with swapping motherboards is integrated sound. If you have integrated sound on both the original and the new board I could almost promise you that you will not get it to work with the new board.

Last but not least, I can not explain the difference you will see between a reconfigure and a reinstall, if you do choose to reinstall you will benefit for better stability and a faster computer.

It is not as if with Win XP only that you have to reinstall the OS and all other softwares on the hard drive if you change the motherboard. But the same thing happens with windows 2k too. While changing the MBD of one COmpaw Enl PC I Encountered the same problem. May be that happens with other Os (Read Microsoft) also. A little Bit of experimentation with other Os will let you know if at all that happens.

No, you do not have to reformat. But if the motherboard is of a different type, your drivers will be no good. You will have to change back to the defaut Microsoft drivers and then install your new MB drivers. GO to Google and type "Merge Winxp" and you will find the procedure laid out for you.

They're correct concerning the responses with WinXP. When Windows XP was introduced, so was "Windows Product Activation". When you first register Windows XP your Product ID Key is sent to Microsoft via your internet connection. and Windows XP takes a snapshot of your hardware, including the type motherboard you have. The Product ID Key used in setting up Windows and your hardware information is also saved in a file on your hard drive named "wpa.dbl". Every time you start Windows it checks this file and compares it to your current hardware, and if you alter the hardware, the information contained in your "wpa.dbl" file will not match the configuration of the computer and Windows won't boot.

Windows 98 or earlier ? That's easy !! - boot Windows in Safe Mode The problem will be that the drivers installed in the OS will not match what's on the motherboard. What you need to do is remove all of the drivers in Windows RIGHT BEFORE you replace the MoBo. Make sure you have the disks for you Motherboard, video card and any other peripherals if necessary.

First, back up all of your data. Then do this: 1. Right-click on My Computer. Select Properties. 2. Click on the Device Manager tab. 3. Remove ALL of the devices in the Window.

After you have done this, shut down your machine, install the new Mobo in your computer. Have all of your driver disks ready. When you start up, Windows' Plug and Play feature will look for the drivers for your new (and old) hardware. This is where you'll need the disks to reinstall the drivers.

I am not sure about how it works in WIn98 or WIn 95. MS operating systems that were released after that has a component call Hardware access layer. It stores the information on the kind of hardware being used. When you change the motherboard then the HAL information that is available with OS like, WIn2k, XP or say win2k3 mismatches. Hence the OS doesn't boot. But don't panic, no need to backup data, no need to do lot of running around. After you change the mother board, just boot your system with the Win xp CD. Let the setup run as usual and then instead of new installation select Repair option. It will delete all the OS files (Note:only OS files, No data is lost) and then it reinstall the OS with the new HAL information. Now after the installation finishes your system is ready for use. Here I would like to follow a good documentation on how to run repair on win xp of win2k. If you do it properly, it will reduce your task by half.

Which companies are manufacturing processor?

Most popular manufacturers of CPU are Intel (8086, 80286, 80386, 80486, Celeron, Pentium, Core, Core II, i3, i5, i7, Itanium series) and AMD (Duron, Sempron, Athlon, Phenom, Opteron CPU families).

Other companies are ARM (for mobile devices), alliance of Motorola, Apple and IBM (PowerPC), Hewlett-Packard (PA-RISC) and Sun Microsystems (SPARC processsors). Sun was actually acquired by Oracle Corporation and renamed to Oracle America, Inc.

Microsoft Windows

User has a motherboard with a ZIF socket Which type of processor connector can the user add to this motherboard?

ZIF is used on almost all modern processors. You need to find out which socket it uses.


What socket on the motherboard can hold an adapter card?

Expansion slot

Computer Hardware
Graphics Cards

Can an Elitegroup motherboard P4VXASD2 v1 with a 4X AGP support an E-VGA GeForceFX 5700LE 256mb 8x AGP card?

Maybe. It depends on the AGP connector type of the motherboard and vga card. The ECS P4VXASD2.v1 motherboard has - I think - an Universal AGP slot ( not Universal AGP 3.0 !!) which can set 3.3 V or 1.5 V signal line voltage. The question is : What AGP connector does a vga card have ? Because of we are speaking about an 8x AGP card now the card connector type can be :

  • AGP3.0 (in this case it won't work)
  • Universal 1.5V AGP3.0 (it will work)
  • Universal AGP3.0 (it will work).

So the answer is : Try to find the voltage requirement or AGP collector type of card what you will purchase.

If you have already bought the card and there is no signal from AGP (for example the monitor is dark )you can do a proof. Do the followings:

  • check the card in an another computer with 8x AGP motherbord AGP slot
  • if the card works try to find his "AGP driving control" value (for example on the working computer:

PowerStrip->Adapter information->Report . You can see this value in a list. )

  • note the "AGP driving control" value (it is a hexa value between 00 - FF)
  • start the computer with motherboard P4VXASD2.v1 and enter BIOS setup
  • go to "Advanced Chipset Features" and see value of "AGP Driving Control" (the default is Auto)
  • set it to FX5700LE's value
  • "Save & Exit" from the BIOS Setup
  • install your FX5700LE in the P4VXASD2.v1 motherboard
  • start the computer

If the "no signal problem" persists your FX5700LE has an AGP3.0 collector type.It means your card can not work together with your P4VXASD2 mobo. ( In this case you should set back in the BIOS the original "AGP driving control" value. It can be your old AGP will have a "no signal" problem now. If it was use a PCI card to set BIOS-value back) I hope , I could help you.

Hi! I was asking similar question to ECS Technical Support (question was about different model of GeForceFX - 5200) The answer was that this mobo supports only AGP 4X graphics card (AGP 2.0), and it's not guaranted to work well with AGP 8X (AGP 3.0) cards. "This model is support AGP2.0(4X, 2X, 1X), so can not support AGP3.0 VGA card(4X/8X)" In attachment I got this: Differences between: AGP 2.0 // AGP 3.0 Signaling: 1.5V Signaling // New 0.8V Signaling Protocol: AGP1.0 + Fast Writes // AGP2.0 + Some enhancements - some deletions Speeds: 4X, 2X, 1X // 8X, 4X Connector: 1.5V keyed, Universal // 1.5V keyed, Universal

However, refering to the first answer, my graphics card's manufacturer technical support informed me that its connector is 1.5V, so it should work. I'll try the given proof and update my answer.

Computer Hardware
Computer Printers

How do you redirect a serial port to output out of the parallel port?

You don't. If you are wanting to plug something into the serial port, and it is the same size as the parallel port (it isn't a parallel port, it's a different plug for the serial), use an adaptor.

I'm in the same problem. I have a laptop and a program that uses com1 and need to redirect serial communication (com1) to a parallel port since the laptop doesn't have a serial port. i have an adapter for parallel to serial connections but need to remap com1.

your can redirect lpt1 outputs with mode lpt1=com1 but not the other way round. If the laptop has usb just grab a USB to Serial Adaptor.

Am in the same boot. A Point of Sales app need to be connected via a com port for Receipt Printing... The Printer is a ESC/POS Printer but has a Parallel Connection... Works fine under Windows, but not in the POS App. What is needed is some sort of Virtual COM Port to Capture the Outputs and Redirect it the a Physical LPT Port. In doesn't sound hard, yet no ones don't it...

Intel Core 2
Intel Microprocessors

What is difference between P3 and P4?

There was a P6, which was a wooden vessel and with a different function than the P4.

Computer Terminology
Graphics Cards

Which motherboard is best for graphics software?

This is a tough question to answer for a couple of reasons. First off: There are a lot of motherboards to choose from and there isn't really 1 out there that is absolutely the best. Intense graphics design requires some of the best hardware you can get and the motherboard is only 1 of many things to decide on. The Video Card, Processor and RAM are probably the most important things you will need to choose. The higher the frequency of the FSB (Front Side Bus) the less likely it will be a bottleneck for your graphics. If you are willing to pay a lot of money for a really nice system I could suggest some kind of dual processor board, a PNY video card, and a lot of fast RAM. A good recourse for motherboards is There you will be able to find some excellent reviews on the latest motherboards. Some of my favorite brands are AOpen, Chaintech and MSI. They seem to be very reliable.

Asus, Gigabyte and Intel are three very good mb makers. If you're looking for extreme high-end, Gigabyte has a new MB with FOUR x16 slots, taking SLI to a new level.

If you are looking at using Vista, it's the video card(s) that need the attention, because available RAM is limited to less than 4MB, so the big factor is to get onboard (unshared) memory on your graphics card -- you don't want shared memory, which is going to subtract from RAM available to the CPU. With Win7, this is less of a problem.

If you like AMD, the Gigabyte GA-MA790GP-UD4H looks pretty good on the high end. It has 128mb of "side-port" memory that, as I understand it, is dedicated to graphics. I don't think it's a bit deal but it is a plus.

Graphics Cards
Linux Ubuntu

How do you install a PCI card on Ubuntu?

This really depends on what you're installing (ex video, sound, modem, etc.). Once the PCI card has been physically installed the hardware should automatically be recognized by ubuntu. Ubuntu includes a wide variety of generic drivers that should allow you to use the device. If it is not detected google ubuntu and the model number of your hardware there is likely to be documentation for its installation

Computer Hardware
Graphics Cards

Should a PCI video card work on a 8X AGP Nvidea motherboard?

The PCI video card should work, but you may need to change a setting in your BIOS to recognize it. Enter "setup" when the computer starts, and look for a setting about video options. There is usually a setting indicating to seek an AGP or a PCI video card upon startup. NO! A pci video card will only fit into a pci slot in a motherboard. Likewise an agp will only fit into an agp slot. They are completely different. Both of these above answers are right and wrong. PCI and AGP are two totally different standards, but as long as you have an open PCI slot, you can use a PCI video card and opt not to use the AGP (Make sure to change appropriate options in your BIOS.) ==Answer == Yes you can use a PCI card where the slot is avaliable, but if your motherboard has a slot for AGP cards it is worth noting that the systemboard was designed with AGP in mind. It offers a system bus direct to the prossesor for faster unhindered communication.Running a PCI card on a AGP board may and probably will slow down your system performance.

Graphics Cards

What is the function of an AGP card?

AGP card is one of the types of video card available. Nowadays, almost every CPU has one AGP card slot. AGP cards are automatically detected as in-built video cards when connected to AGP slot of system. They provide better resolution than onboard/integrated video. Most of the systems have option to change video from AGP to integrated and vice versa. Other types are PCI and PCI-Express cards. PCI-Express are fastest and support high end resolutions for gaming systems.


Will an AGP 8x 1.5V only motherboard run a 9800xt .8V AGP 8x 1.5V AGP 4x at top speed?

It may run, but with some problems. Performance may degrades. The card won't be damaged, though. If you already have the card, give it a try and run a bench mark. Mula I have a computer with an AGP card 1.0, that supports 1x/2x. Can I run higher cards that run at 8x or 4x, such as the Rosewell Radeon 9200SE. Right now I have a Voodoo3 3000. Yes it will, and it will run at 8x. The 1.5V only on the mother board means (not the old 3.3v AGP1 format) 8x AGP is only found with a .8v signal and therefor the fact that your main board supports 8xAGP means it can signal at .8v The 9800's spec's mean it can run at 8x AGP in any 8x agp main board and will run at 4x AGP in a main board that has a max AGP speed of 4x.


What is the best motherboard for business?

It depends what you do for your business and if you want to use it at other times. So it can be any.

Computer Mouse
Computer Memory

What are the factors that should be kept in mind while designing GUI?

2 schools of thought apply here. #1 primarily what is you target audience are they technical or typical users. #2 What application: Website for entertainment(fun) or education(lots of links, intuitive and functional) or marketing(flashy attractive) is it a GUI for a machine like a CCN or Printing Press or a system like a /A


Intel Mother Board D915gav vga driver free download?


Computer Hardware
Dodge Ram
Computer Memory

Where is the RAM located in a Toshiba 460cdt and how do you get to it?

Hi, to get to the RAM you must remove the battery cover and battery and remove the floppy or CD drive, in the space where those two were is a screw hole, remove those two screws and also the one in the middle of those two. Flip the laptop back up the right way, and the panel that the mouse buttons are on will lift up, the slot for external ram is under there. I'm not 100% sure how you go about installing the RAM it may be plug & play.


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