Question about Mercury Electronics KT266A Motherboard

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Agp pixel shader 2.0 not support

Dear friends,
I use Gigabyte GV-R925128DE-RH AGP VGA Card, I try to play The Mark Game but i got the messege "System does not Support Pixel Shader 2.0"

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Re: agp pixel shader 2.0 not support

Pixel shaders are a part of your video card, you would have to upgrade to a more powerful card like 256mb or 528mb. Other than that, your game will not work.

Posted on Nov 01, 2007

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VGA Support?

Hello here is the homepage:

Your mainboard supports 1 x AGP 8x slot ( the green slot )

The new PCI-e express does not fit the socket.

When you add a bigger graphic card, you will probably need a bigger power supply.
I recommed a 500 watt or bigger.
Most external graphic cards uses 150 to 250 watts, depending of the size of the card.

I also recommed ATI/AMD graphic cards.
Such graphic card, can be bought online, or in a computer shop.

Good luck

Feb 07, 2013 | Gigabyte GA-8I865GME-775-RH Motherboard

1 Answer

I have a Gigabyte GA-K8VM800M Motherboard with 2gb ram. I want to disable the onboard graphics card and add another VGA card. Which card should I go for?? Will adding VGA card, show physical memory as 2gb...

Hello you can download the manual, and drivers here:

You can add a graphic card 1 x AGP slot (8x/4x-AGP 3.0 compliant), supports 1.5v display card only.
And Max capacity: Up to 2GB DDR400 RAM by 2 DIMM slots.

ATI/AMD makes very good graphic cards.

Adding a graphic card on the mainboard will not slow the physical memory. It has it`s own ram.

Good luck

Jun 18, 2012 | Gigabyte GA-K8VM800M Motherboard

1 Answer

I need just an advice

Dear am_shaegar.

You have provided a list to chhose from.
I bet , hd2400 is the est solution for you couse all the others have the geforce 6200 chip wich is old and slow.
So a HD2400 is best for you.

Good luck, borney from Hungary.

Mar 22, 2009 | Abit KV-85 V2.0 (KV85VERSION20)...

1 Answer

I am using mercury 845 gvm motherbaord i had inserted 128 mb grafics card into the agp slow & booted with windows xp now only one vga card as to be shon in divece manger but where as i get 2 vga displays...

Dear friend You need to disable the built in agp card From BIOS, You may find it To the Integrated Peripheralsor Chipset Features Option.Best Regards Sumon(

Mar 17, 2009 | MSI 845GVM-L (MS-6714-040) Motherboard

2 Answers

Gaming performance

I figure you are using he onboard VGA with your motherboard. Looking through the BIOS Setup for it, I don't see where it allocates a block of your RAM for use by the video (as a lot of MB's do). All you an do is set the frame size from 1mb to 8mb, max. I suspect the chipset is allocating RAM for the video on the fly.

Regardless, if you want good video performance, you should consider going to a separate video adapter, preferably one that is PCI Express, with a minimum of 256mb of RAM. This takes the load of video processing off the motherboard, and places it on a dedicated GPU, using its' own memory. The Nvidia chipset is popular and well-supported, but most any name brand will do the trick. Shoot for one with PC Express, and as much RAM on it as you can afford.

Hope this helps!


Nov 04, 2008 | Motherboards

1 Answer

Motherboard installation

Hello mecompe,

If you installed an AGP graphics card before your fist boot of the system, you will not receive display. By default the onboard graphics is set to boot display. (If this is the case, remove the AGP graphics card & boot the system). The Asus P4SGX-MX can only use a 4x AGP 1.5volt (only) card.

There is an order of sequences to perform before installing/ adding an AGP graphics card on to the board when the board also uses an integrated graphics card.
First, shut down the system & unplug the power supply from the PC. Connect your monitor to the VGA port at the rear of the board. Remove the AGP card. Re-connect the power supply & boot the system. You should have display? Re-boot the system. As the system starts up press the delete key on the keyboard every 2 seconds. The bios main menu will load. (Open your manual). Go to
section 2.4.3, page 2-20 under Advanced, PCI configuration. Set Primary VGA bios to
[AGP VGA Card]. Save the bios & exit. The system will auto restart. Press & hold the power on/ off button on the PC case until the system shuts off. Unplug the power cord from the PC. Insert the AGP card into the AGP slot. Connect your monitor to the AGP card.
Check all internal data & power cables, (Incase something came loose). Re-connect the power cord & boot the system. You should have display! Install your video software.
If your using the integrated VGA PCI graphics card, go over the bios settings page 2-18 & 2-20.

Need the Asus manual? Click this link;

To view the manual you'll also need Adobe PDF reader, click this next link for Adobe.

(The green led (light), means standby. The board is receiving 5volts DC.

If you still do not have display just let me know.
Good luck mecompe!

Oct 28, 2008 | ASUS P4SGX-MX Motherboard

1 Answer

GA-K8VM800M and GV-N76G256D-RH compatibility

Perhaps your power supply is not powerful enough for the new card.

Mar 01, 2008 | Gigabyte GA-K8VM800M Motherboard

2 Answers


All AGP based cards are backwards compatible, so an 8x card should operate at 4x 2x and 1x

however what is important is the voltage of your slot, you can tell by looking at the slot itself,  the AGP slot may have a partition either 1/3 or 2/3rds down the slot, or may have no partition at all,

this slot partition is to prevent you from inserting a card of the wrong voltage.

If there is no partition in the AGP slot then the slot has a switchable voltage, and will automatically switch to the appropriate voltage, (on request from the graphics card AUTOMATIC)


so all you need to check is that the graphics card you buy has slots on the AGP interface that accomodate those on your board


according to the manual

This board has a 4x AGP slot

Oct 09, 2007 | Intel Motherboard

2 Answers

About my On Board Video Card

You better off getting an AGP card as your onboard graphics cannot be altered from what i can see and in any case will not be good enough to play most games as the 3d and shader won't is needed

Mar 13, 2007 | ASUS P4GE-MX Motherboard

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