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HD4870 X2 need specify motherboard?

Last response: in Graphics & Displays
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September 15, 2008 1:13:19 PM

Hi all, i need say first my english is horrible.. i am brazilian :) 

I buyed one HD4870 X2 and I installed correctly in my computer and inside windows with correctly drivers, but in, CCC, Hardware information say my Linked GPU is disable. I not dunno this is correct or not.

My board is one Asus Striker Extreme....

http://www.asus.com/products.aspx?l1=3&l2=11&l3=397&l4=...

.....where all hardware is come back toward the SLI.

My question is: HD4870 X2 work = one Crossfire because have 2 GPUs?

and...

Because my motherboard is for SLI this Crossfire dont go enable never and this second GPU the my HD4870 X2 never go enable?

Maybe this second GPU stay disable outside anygame?

Thanks all and sry my bad english again :) 

More about : hd4870 motherboard

a c 136 V Motherboard
September 15, 2008 1:27:28 PM

Hello and welcome to the forums mate :) 

FAQ is your friend:
http://www.tomshardware.co.uk/forum/245454-15-crossfire...

AMD/ATI HD 4870X2(Read the note about HD 3870X2,its the same for HD 4870X2)

AMD/ATI HD 3870X2(Warning:The HD 3870X2 is NOT 2 cards (like Nvidia 9800GX2).Its actually 2 GPUs on one card and it has 1 PCB* compared to 2 PCBs of 9800GX2,so you "Don't" need a CrossFire board to use this card,it requires only one slot.)

September 15, 2008 1:47:41 PM

hmmmm ok i got this....

but is normal say in CCC the second GPU is disable? maybe he disable for saver power?

Tks Maziar.
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September 15, 2008 1:57:45 PM

I would think that it is more of a driver issue than anything else. I have a 4870x2 myself but have not looked at my CCC. The computer may not see the card as crossfire because physically it is only 1 board on 1 PCIx line. Logically it is, but that does not mean the computer will see it the same way we do.

I think you are fine.

I will look at my system when I go home tonight. Till then, best of luck and welcome to THF!
September 15, 2008 2:10:29 PM

Tks vry much too Spaztic :) 

in CCC show this:

Primary Adapter
Graphics Card Manufacturer Built by ATI
Graphics Chipset ATI Radeon HD 4870 X2
Device ID 9441
Vendor 1002

Subsystem ID 2542
Subsystem Vendor ID 1002

Graphics Bus Capability PCI Express 2.0
Maximum Bus Setting PCI Express 2.0 x16

BIOS Version 011.007.000.000
BIOS Part Number 113-B50902-100
BIOS Date 2008/07/14

Memory Size 1024 MB
Memory Type GDDR5

Core Clock in MHz 750 MHz
Memory Clock in MHz 900 MHz
Total Memory Bandwidth in GByte/s 107 GByte/s


Disabled Adapter
Graphics Card Manufacturer Built by ATI
Graphics Chipset ATI Radeon HD 4870 X2
Device ID 9441
Vendor 1002

Subsystem ID 2042
Subsystem Vendor ID 1002

Graphics Bus Capability PCI Express 2.0
Maximum Bus Setting PCI Express 2.0 x16

BIOS Version 011.007.000.000
BIOS Part Number 113-B50902-101
BIOS Date 2008/07/14

Memory Size 1024 MB
Memory Type GDDR5

Core Clock in MHz 750 MHz
Memory Clock in MHz 900 MHz
Total Memory Bandwidth in GByte/s 107 GByte/s


but in GPU-Z show this:

Enabled (2 GPUs), sideport off

Cya
!