The ATI Radeon™ HD 4800 Series of GPUs allow you to experience the
power of HD with graphics processing designed for how you work and
play. Advance to the next generation of HD game performance and lifelike realism thanks to DirectX® 10.1 capabilities and plug-and-play ATI
CrossFireX™ multi-GPU upgradeability. Watch the latest Blu-ray and
HD-DVD videos in full 1080p HD – and upscale beyond - without placing
huge demands on your CPU. Enjoy break-through efficiency with more
processing performance per watt and energy-saving features to help save
you money.
Features
• ATI Radeon™ HD 4850 / HD 4870
• GDDR3/GDDR5 memory
• 256-bit memory interface
• DirectX® 10.1
• 24x custom filter anti-aliasing (CFAA) and high performance
anisotropic filtering
•ATI CrossFireX™ multi-GPU support for highly scalable
performance
• PCI Express® 2.0 support
• Dynamic geometry acceleration
• Game physics processing capability
• ATI Avivo™HD video and display technology Unified Video
Decoder 2 (UVD) for Blu-ray™ and HD Video Built-in HDMI with
7.1 surround sound support On-chip HDCP
•Native HDCP (High-bandwidth Digital Content Protection)
DVI-to-HDMI dongle (optional)
Flex cable for ATI Radeon™ HD 4800 Series(optional)
1
ATI Radeon™ HD 4800 Series User Manual
Unified Video Decoder 2
Unified Video Decoder 2 frees up your CPU for other tasks so you get
The Ultimate Visual Experience™ for even the most processingintensive content, including VC-1, H.264 and now MPEG-2. Also,
take full advantage of Blu-ray functionality with dual-stream, picture in
picture (PIP) capabilities.
Upscale Beyond 1080p
Watch the hottest Blu-ray movies or other HD content at full 1080p
display resolution and beyond.
On-chip HDCP
On-chip HDCP (High-Bandwidth Digital Content Protection) makes
life easier by allowing you to playback HDCP protected content.
HDMI
Enjoy the latest audio technologies using HDMI with 7.1 digital
surround sound support. Also, xvYCC support allows the user to enjoy
a wider range of color when connected to a capable HDTV.
ATI CrossFireX™ Multi-GPU Technology
•Scale up rendering performance and image quality with two,
three, or four GPUs
• Integrated compositing engine
• High performance dual channel bridge interconnect
2
1.1 System Requirements
Hardware
Operating
System
Monitor
ATI
CrossFire™
Requirements
• Intel® Pentium® 4 or AMD Athlon®.
• 1GB of system memory
• Optical drive for installation software (CD-ROM or
DVD-ROM drive).
• A 600 Watt or better power supply with two 2x3-pin
PCIe™ power connectors. For optimal performance,
we recommend requires one 2x3-pin and one 2x4-pin
PCIe™ power connector.
• Windows® XP with Service Pack 2 (SP2).
• Windows® XP Professional x64 Edition.
• Windows® Vista Ready.
• High-resolution MultiSync or multi-frequency
monitors or any other type of VGA monitor.
• Digital flat-panel (DFP) displays or digital CRT
display.
To implement an ATI CrossFireX™ configuration
using the ATI Radeon™ HD 4800 Series, requi res:
• An ATI CrossFireX™ certified motherboard with
two (2) PCI Express® x16 slots and correct PCIe™
chipset driver.
• A second ATI Radeon™ HD 4800 Series graphics
card.
• One ATI CrossFireX™ internal bridge interconnects.
• A specialized PCI Express® 900 watt or greater
power supply with two 2x4-pin and two 2x3-pin
PCIe™ power connector is recommended. Consult
your computer system manual to ensure the power
supply is designed to accommodate a high-end
graphics card with a peak dissipation above 150
watts.
Chapter 1: Introduction
3
ATI Radeon™ HD 4800 Series User Manual
Connections
The following illustrates the connections on the ATI Radeon™ HD 4800
Series graphics card.
ATI Radeon™ HD 4800 Series Connections
1. DVI-I Dual Link
2. S-Video Connection
3. DVI-I Dual Link (HDMI™-compatible)
4
Chapter 1: Introduction
1.2 Performance
The ATI Radeon™ HD 4800 series is a graphics accelerator card.
Computer functions like disk access and numerical calculation are not
accelerated by the ATI Radeon™ HD 4800 series. It is not unusual to
obtain an overall system speed increase of 2 times for graphics-heavy
applications after installing the ATI Radeon™ HD 4800 series. The
speed of pure graphics operations, like dragging objects with a mouse,
scrolling, and resizing, will be remarkably improved.
1.3 Software Compatibility
The key function of the ATI Radeon™ HD 4800 series is its VGA
compatibility. Unlike coprocessor-based, or IBM
cards, the ATI Radeon™ HD 4800 series is 100% compatible with your
DOS computer. This means that all DOS software will run correctly with
the ATI Radeon™ HD 4800 series VGA wit hout modification.
The VGA compatibility includes backward compatibility with the EGA,
CGA and MDA standards. All DOS software will include drivers for at
least one of these display types and will be fully compatible with the ATI Radeon™ HD 4800 series. The ATI Radeon™ HD 4800 series is also
fully compatible with VESA BIOS extensions for resolutions higher than
640x480.
When the ATI Radeon™ HD 4800 series is used in VGA, backward
compatibility, the graphics engine of the ATI Radeon™ HD 4800 series
card is not used. The speed in these modes will be comparable to the
fastest type of standard VGA card.
®
8514A-type display
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ATI Radeon™ HD 4800 Series User Manual
6
1.4 Monitor Compatibility
The ATI Radeon™ HD 4800 series will work with any VGA, Super
VGA or Multisync monitor.
Super VGA monitors can support IBM® standard VG A plus the 800x600
extended mode used by most VGA cards, and the 1024x768 interlaced
mode used by most VGA cards and the IBM® 8514A.
Multisync monitors are more expensive and will work at all Super VGA
resolutions plus additional higher resolutions or refresh rates. The most
useful multisync monitor specification for determining maximum
resolution and refresh capability is the horizontal frequency range. For PC
use, the lower limit of the range must be no less than 30KHz. The upper
limit is usually 48K Hz, 57K Hz or 64K Hz. These correspond to a
maximum resolution of 1024 x 768, 60 Hz refresh, 1024 x768, 72 Hz
refresh rate; and 1280x1024, 60 Hz refresh rate, respectively.
By default, the ATI Radeon™ HD 4800 series will drive your monitor at
a screen refresh rate of 60 Hz. In other words, it repaints the screen 60
times per second. If the screen is not displayed properly when you boot
your system, your monitor may not support the refresh rate for the
resolution chosen. In this case, you must either lower the resolution to one
that can be supported at 60Hz or lower the refresh rate. The maximum
refresh rate supported by your monitor is specified with the Refresh Rate
utility.
Refer to your manual for information on the monitor’s capabilities. If you
are not sure what refresh rate is supported, you can always try a higher
rate. If the screen looks good, the rate is supported (and will be easier on
your eyes).
Chapter 2: Hardware Installation
7
CHAPTER 2
HARDWARE INSTALLATION
2.1 What’s Included in the Package
The VGA card package includes the following:
1. VGA Card
2. Software CD which contains the necessary files
3. This User manual
2.2 Installing the Card
1. Unplug the computer and remove the cover.
Shut down the computer, then turn off the power supply and any attached
equipment (such as a monitor or printer).
Unplug the power cord.
Remove the cover.
2. Remove the current graphics card.
If there is a graphics card currently in the computer, use the following
guidelines to remove it:
Detach any cables which are attached to the current graphics card and
remove the bracket screw locking the card down.
Check and release any PCI Express retainer
mechanism before removing the display
adapter card.
Grasp the card by the edges and pull it straight
out of the motherboard slot. If the card sticks
in the slot, rock it gently from end to end to
dislodge it. Remember to save the screw.
ATI Radeon™ HD 4800 Series User Manual
Note: If the computer has a graphics chip soldered down on the
motherboard, refer to the manual for the system or motherboard for
information on how to disable it.
3. Insert the Graphics Accelerator card.
Locate the empty PCI Express socket
on the motherboard and use the
following instructions to insert the ATI Radeon™ HD 4800 Graphics
Accelerator card into that socket:
Grasp the ATI Radeon™ HD 4800
Graphics Accelerator card by its edges.
Align it with the empty PCI Express
socket on the motherboard, and gently insert it into place.
Make sure that the card is pressed evenly and completely into the socket.
Fasten the card with the bracket screw.
Note: Use the figure above to help locate the PCI Express (PCIe) socket
on your motherboard. The exact configuration of the components on your
motherboard may differ from the figure. Look for a single, smaller socket
between the set of PCI sockets and the processor.
4. Reconnect all cables and replace the cover.
Plug the cable from your computer
monitor into the back of the ATI Radeon™ HD 4800 Graphics
Accelerator card. Make sure it is
securely fastened.
Carefully replace the computer cover
and plug the power cord back in.
8
Chapter 2: Hardware Installation
2.3 Board Layout
HD485PG3
Note:
•Specialized PCI Express® 500 watt or greater power supply
recommended.
• A 550 watt or greater power supply is required for CrossFire™.
• Use power supply 6-pin cable (note, power supply cable is 6-
wire, not 3-wire).
9
ATI Radeon™ HD 4800 Series User Manual
XHD485XPG3
Note:
•Specialized PCI Express® 500 watt or greater power supply
recommended.
• A 550 watt or greater power supply is required for CrossFire™.
• Use power supply 6-pin cable (note, power supply cable is 6-
wire, not 3-wire).
10
HD487XTG5
Chapter 2: Hardware Installation
Note:
• Power connector 1 and connector 2 should be connected to
power supply unit simultaneously.
• Specialized PCI Express® 550 watt or greater power supply
recommended.
• A 600 watt or greater power supply is required for CrossFire™.
• Use power supply 6-pin cable (note, power supply cable is 6-
wire, not 3-wire).
11
ATI Radeon™ HD 4800 Series User Manual
HD4870X2
System Requirements
CrossFire™ technology works on AMD 790FX, AMD 790X, Intel 975X,
P965, P35 , X38 and X48 motherboard.
Note:
• Power connector 1 and connector 2 should be connected to
power supply unit simultaneously.
• Specialized PCI Express® 600 watt or greater power supply
recommended.
• A 900 watt or greater power supply is required for CrossFire™.
• Use power supply 6-pin cable (note, power supply cable is 6-
wire, not 3-wire).
12
HD4870X2
Chapter 2: Hardware Installation
D13 and D14: Identify the EXT_12V connector for inserting Power cable.
D15: Identify the thermal /FAN failure.
D5 and D7: VDDC of GPU 1 and GPU 2 core voltage failure.
When the graphic card works normally the five LED don’t light up.
13
ATI Radeon™ HD 4800 Series User Manual
HD4870XG5
Note:
• Power connector 1 and connector 2 should be connected to
power supply unit simultaneously.
• Specialized PCI Express® 550 watt or greater power supply
recommended.
• A 600 watt or greater power supply is required for CrossFire™.
• Use power supply 6-pin cable (note, power supply cable is 6-
wire, not 3-wire).
14
Chapter 2: Hardware Installation
2.4 Power Supply Requirements
¾ HD4850
Power supplies with 500-Watt capacity and 30A current on 12V rail is
recommended for single ATI Radeon™ HD 48 5 0 seri es pr o duct .
ATI Radeon™ HD 4850 CrossFire configurations (dual graphics card
system) requires 550-Watt capacity power supply, with 38A on 12V rail.
CrossFire™ requires a power supply with two 6-pin Express® power
connectors.
¾ HD4870
Power supplies with 550-Watt capacity, 30A current on 12V rail and two
6-pin PCI Express® power connectors is recommended for single ATI
Radeon™ HD 4870 series product.
ATI Radeon™ HD 4870 series CrossFire configuration (dual graphics
card system) requires 600-Watt capacity power supply with 38A on 12V
rail. CrossFire™ requires a power supply with four 6-pin PCI Express®
power connectors.
¾ HD4870X2
Power supplies with 600-Watt capacity, 30A current on 12V rail and one
6-pin and one 8-pin PCI Express® power connectors is recommended for
single ATI Radeon™ HD 4870X2 Series product.
ATI Radeon™ HD 4870X2 series CrossFire configuration (dual graphics
card system) requires 900-Watt capacity power supply with 38A on 12V
rail. CrossFire™ requires a power supply with two 6-pin and two 8-pin
PCI Express® power connectors.
15
ATI Radeon™ HD 4800 Series User Manual
6
Please consult your power supply vendor specifications to ensure your
system meets the recommended functionality. CrossFire™ configurations
require a CrossFire™ compliant motherboard, which includes two
physical x16 PCI Express® slot interfaces.
2.4.1 Additional Power Connection Requirements
Note:
•use power supply 6-pin cable (note, power supply cable is 6-wire, not
3-wire)
1. The ATI Radeon™ HD 4800 series must be connected to the
computer’s power supply.
1
Chapter 2: Hardware Installation
7
2. Remove the power cable from the hard drive
3. Connect p of the power extension cable to the graphics card power
connector as shown.
4. Connect s to the power supply connector
5. After locating the PCI Express slot, and if necessary, removing the
metal cover:
Align your ATI Graphics Accelerator card with the PCI Express
slot
Press it in firmly until the card is fully seated.
6. Replace the screw to fasten the card in place, and replace the
computer cover
7. Plug the monitor cable into your card
8. Turn on the computer and monitor
1
ATI Radeon™ HD 4800 Series User Manual
HDTV uses YPbPr connector to receive input. YPbPr stands for the
following:
• Y= Green
• Pb= Blue
• Pr=Red
ATI HDTV Cable (Optional)
n ATI HDTV Video Output Cable
o Backplate of the ATI Graphics Card
p Male RCA Patch Cable – available from consumer electronics dealer
q Typical HDTV Video Input Connections
Note: Input and output cables lengths should not exceed 50 feet (15m).
18
Chapter 2: Hardware Installation
Connecting your DVI-to-HDMI dongle (optional)
19
ATI Radeon™ HD 4800 Series User Manual
2.5 Multiple Monitors
Your ATI Radeon™ HD 4800 series provides dual display functionality
and TV Out from a single video card. This new technology changes the
way you view your PC, TV, and video graphics.
The ATI Radeon™ HD 4800 series uses HydraVision™ software to
create a seamless multiple display desktop. Multiple monitor display
works as one large work area. A single application can span all monitors,
or many applications can occupy their own specific monitor. This feature
will take your PC’s graphics and video capabilities to the next level.
Connecting your ATI Radeon™ HD 4800 to your monitors
The ATI Radeon™ HD 4800 series provides support for two DVI-I
monitors or two VGA monitors using the supplied DVI-I-to-VGA adapter.
A television can also be used to expand your desktop by using the S-Video
connector.
Plug the monitor cable into your card (if you are running multiple
monitors, connect their cables to the appropriate connectors), then turn on
the computer and monitor(s).
To connect a flat panel to the ATI Radeon™ HD 4800 series use the
DVI-I connector as shown on the following page. To connect a VGA
monitor to the DVI-I connector, plug the supp lied DVI-I-to-VGA adapter
into the DVI-I connector, then plug your monitor cable into the adapter.
When you use multiple monitors with your ATI Radeon™ HD 4800
series, one monitor will always be primary. Any additional monitor(s)
will be designated as secondary.
20
Chapter 2: Hardware Installation
21
ATI Radeon™ HD 4800 Series User Manual
2.6 ATI Radeon™ HD 4800 Display Configurations
The following table lists the different ways you can connect displays to
your card.
Display
Connector(s) Used Comments
Configuration
Single CRT display DVI-I connector with DVI-
Single DFP display DVI-I connector DFP- digital flat panel display.
Single TV S-Video out The S-Video out can also support
Single HDTV
display
Single HDTV
HDMI™ display
CRT display +
HDTV
DFP display + TV DVI-I connector + S-Video
DFP display +
HDTV
CRT display + DFP
display
CRT display + CRT
display
CRT display + DFP
display + HDTV
I-to-VGA adapter
S-Video out to HDTV
(YPrPb) cable
DVI-to-HDMI™
connector and HDMI cable
DVI-I connector with DVII to VGA adapter + SVideo out to HDTV
(YPrPb) cable
out cable
DVI-I connector + S-Video
Out to HDTV (YPrPb)
cable
DVI-I connector with DVII to VGA adapter + DVI-I
connector
DVI-I connector with DVII to VGA adapter + DVI-I
connector + S-Video Out
cable
DVI-I connector with DVII to VGA adapter + DVI-I
connector + S-Video Out
to HDTV (YPrPb) cable
CRT-Cathode ray tube analog
display.
a composite connection via the SVideo-to-Composite adapter.
HDTV - High Definition
Television
The ATI Radeon™ HD 4800
Series supplies both audio and
video signals to the bottom port
on the HDMI™ DTV.
The TV display will “clone” the
image of one of the other two
displays
Note:*Both DVI ports support dual-link DVI output compatib le with
single-link DVI flat panel displays as well as ultra-high resolution
dual-link DVI flat panel displays.
22
Chapter 3: Software Installation
CHAPTER3
SOFTWAREINSTALLATION
The ATI Radeon™ HD 4800 series is 100% VGA compatible and as
such needs no special display drivers to run application software correctly
at standard VGA resolutions and color depths. However, enhanced
display drivers are supplied with the VGA card because they provide
accelerated performance, higher color depths and higher resolutions for
software applications. The card supports resolutions up to 2048 x1536, and
color depths of up to 32 bits per pixel. Higher graphics resolutions and
higher color depths provide greater clarity and detail when using the
supplied drivers for graphics programs.
Notes:
¾ Please uninstall any existing video drivers that could possibly create a
conflict before attempting to install this display card.
¾ Please install the driver provided by the motherboard company before
you install the display driver.
¾ For software MPEG support Windows XP, you must install DirectX®
9.0C (or later version) first.
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