I assume you are talking about the disc that has the video drivers for your EAX1600pro video card.
You won't need the disk, you can download newer video drivers for your video card from ASUS's website.
The website is a bit hard to go through to get to the page with the video driver you want.
Go to http://www.asus.com/
, and select your region and country.
On the next page at the top, Click Download.
On the next page, near the top under ASUS, click Download again.
There will be a box that says General Download and it will have 3 Drop Down Menu Boxes.
On the first one, Click the down arrow and select "Graphics Card"
On the second one, click the down arrow and select "ATi Series"
On the third one, go down the list and select "EAX1600 Series"
Then click the Green Search Button
A White box will load and appear in the middle of your screen. Click the down arrow and select your Operating System from the list. You probably have WinXP, or select the one you do have and click the Gray Search button.
On the next page will have some search results. Click the [+] beside VGA and it will open up a bunch of files that you can choose from.
The first one should be the most up to date drivers for that video card: Version
Click the word Global to download the Driver. A gray box will pop up to download the driver. Click Save and choose to save it somewhere on your computer where you can find it easy when the download is finished. It's usually best to choose to save it to your Desktop.
After it finishes downloading, you should be able to double click on the file where you saved it and it will want to "unzip" the files. Create a new folder and unzip (extract) the files to the new folder. You will need a program like Winzip or WinRar. Open the new folder and double click the Red ATi icon that is named "Setup.exe"
This should start the installation of your video drivers.
Make sure you pick the right Video Card from the list and get the correct drivers. The ASUS website was tricky to find the drivers and I downloaded the drivers myself on to my computer. If you need, get someone to help you. I tried to describe what you needed to do step by step and I hope you dont have any problems with my directions and you get everything working again so you can keep playing World of Warcraft.
I play World of Warcraft too ;)
Please write back and let me know if this worked for you.