If the system has Microsoft Visual Studio 2005 installed, follow the steps below in order to successfully install the AMD Catalyst software:

Install the Microsoft Visual C++ 2005 SP1 redistributable patch
1. To obtain the patch and / or additional information on the patch, refer to article 961894 on Microsoft's support site
Perfom a clean install of the AMD Catalyst software suite
1. Download the latest drivers for the graphics card from AMD’s Graphics Drivers & Software page. Refer to Article GPU-56 for information on how to use the graphics driver utility
   1. Note! Before getting started, ensure that you know the model of your graphics card. It will come in handy for several steps in the process. Refer to Article GPU-55 for information on how to identify your graphics card
2. Remove any pre-existing drivers / software for the graphics card. Refer to Article GPU-57 for detailed instructions on how to uninstall old drivers
3. Install the latest drivers for the graphics card. For detailed instructions on how to install the latest graphics drivers, refer to:
   1. Article GPU-33 for a Windows® 7 based system
   2. Article GPU-1 for a Windows Vista® based system
   3. Article GPU-2 for a Windows XP / Windows 2000 based system

For more details, please visit:
http://support.amd.com/us/kbarticles/Pages/ATICCCInstallFreezes.aspx

ATI Catalyst Control Center 9.9 Overcan and Underscan Options

Please follow the below instructions to get to the ATI scaling options in windows Vista/ windows 7:

1. Right click on the Desktop and open Catalyst Control Center 9.9
2. Switch to Advanced mode if you are not there already
   
3. Click dropdown menu Graphics in the top right
4. Select Desktops and Displays
   
5. Right Click your currently activated display under ‘Please Select a Display’ on the bottom right
6. Select Configure
   
7. Click on the Scaling Options tab  and your there
8. Now, just move the scale to the right (overscan) until you get full screen (in my case that was 0%)
   

Please note that Definition Multimedia Interface (HDMI) connected display monitor(s) may lose it's custom overscan / underscan settings each time the system is rebooted. AMD has released a hotfix to address this issue. Please visit:
http://support.amd.com/us/kbarticles/Pages/GPU82-Over-UnderscanSettings.aspx

The normal temperature would be under 100 degree C.
Normally if it still work, the temperature would be acceptable.

The crossfire needs to carry out with the same Series cards, e.g. 5830 and 5850, 4670 Ice Q and 4650 etc.
For more information, please click here 
http://www.hisdigital.com/un/news_show-63.shtml

Your card is not a native HDMI model, but the 5000/4000/3000/2000 series are built-in HDMI with 7.1 surround sound support.
The HIS DVI to HDMI Adapter 5000/4000/3000/2000 series is required to fully utilize the audio through HDMI features.
You can find more information in the following for the DVI to HDMI adapter
http://www.hisdigital.com/un/product2-52.shtml

Please try to download the updated driver from our website.
For the HIS Driver you need about setting up your graphic card, please find below for your reference:
http://www.hisdigital.com/un/download1-535.shtml

HIS has received valuable comments from the general public about the HIS 5830 iCooler V graphics card series. Taken immediate action, HIS has upgraded the graphics card BIOS and therefore gamers would enjoy a even better HD experience with our graphics cards from now on. On the other hand, for those gamers who have been supporting HIS and purchased the graphics card before this BIOS update, we will guide you through the updating product yourself as below.

Please go through the following simple procedures.

Step 1: Verify the serial number

To verify the bios version, please kindly look through the following s/n of your 5830 Graphics card.
If your board happens to be in the following serial no. range, go to step 2.
 
H100332781-800
H100334331-360

H100344041-060
H100301551-580

H100322191-230
H100360281-360

Step 2: Download

Submit your enquiry to our email - webenquiry@hightech.com.hk, also provide a picture of your graphics card (that shows the serial number) for verifications.
Our Customer Service Office will provide you a download path.
and you may download the latest BIOS from there.

*Note that this BIOS update is designed for the above listed s/n only, and therefore the download path is not opened to public.
For HIS 5830 gamers who has the s/n outside this range, this BIOS may cause malfunction to your graphics card.

It is necessary to provide your serial numbers and photo for verifications.

HIS has received valuable suggestions from the general public about the HIS 5850 Turbo / 5870 Turbo / 5870 Turbo X iCooler V graphics cards.

Taken immediate action, HIS has upgraded the graphics card BIOS and therefore gamers would enjoy a even better HD experience with our graphics cards. On the other hand, for those gamers who have been supporting HIS and purchased the graphics card with specific serial number, and would like to upgrade their BIOS:

Please go through the following simple procedures.

Step 1: Verify the serial number

 If your board happens to be in the following serial no. range, go to step 2.

Step 2: Download

Submit your enquiry to our email - webenquiry@hightech.com.hk, also provide a picture of your graphics card (that shows the serial number) for verifications. Our Customer Service Office will verify and provide you a download path,

and you may download the latest BIOS from there.

Operating Systems:

- Microsoft Windows 7
- Microsoft Windows Vista
- Linux ‐ scheduled to be enabled via a future ATI Catalyst™ driver release

Number of Monitors:
- Up to six dependent on graphics card configuration

Monitors:
- DisplayPort is highly recommended offering optimal flexibility with the highest number of
display outputs
- Two display outputs of either DVI, HDMI, or VGA can be combined with DisplayPort outputs up
to a total of six monitors per GPU

General instructions using CCC to to enable Eyefinity feature in HIS Eyefinity-compliant graphics cards
- General Setup
- Creating a 3x1 Display Group – Landscape Mode
- Remembering a Display Group / Configuration
- Creating Different Display Groups
- Other Display Group Actions
- Example Extended and Duplicated Configurations

Download Link

ATI driver does not officially support hardware acceleration over 4350 PCI bus. However, you can still enable the HD video playback & Avivo Video Functions by using a third-party software called DXVAChecker. Details procedure can be found in this link:

Method to enable Avivo Video Functions for some ATI cards.
http://forums.amd.com/game/messageview.cfm?catid=279&threadid=116888

Please note that the above setting are not 100% guaranteed to be correct and working well under all circumstances.