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Windows 7: Dual PCIE 16x question

16 Dec 2009   #1
Josh185

Windows 7 Ultimate 64bit RTM
 
 
Dual PCIE 16x question

I have a Foxconn A7DA-S motherboard that has 2 PCIE x16 slots. They each run at x8 if I use Crossfire.

My question is, does it matter which slot I put my single radeon 5770 card in? If I install the card in 2nd slot instead of the 1st slot, will it still run at x16 as long as I don't use crossfire?

I ask this because I am trying to make room for a PCIE x1 tv tuner card.


My System SpecsSystem Spec
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16 Dec 2009   #2
ThePizzaMan

Windows 7 Ulitimate Beta 32 Bit, Windows Vista 32 Bit, Ubuntu 9.10 32 Bit
 
 

hm.... it really needs to be in the first slot and it still should though
My System SpecsSystem Spec
16 Dec 2009   #3
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

I don't know your motherboard, but mine has a BIOS setting that permits one to designate which slot to use.
My System SpecsSystem Spec
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16 Dec 2009   #4
Everlong

 

Quote   Quote: Originally Posted by ThePizzaMan View Post
hm.... it really needs to be in the first slot and it still should though
It doesn't matter with single cards. If both slots are x16 slots, then feel free to put it in either of them.
My System SpecsSystem Spec
16 Dec 2009   #5
Josh185

Windows 7 Ultimate 64bit RTM
 
 

Awesome.

Thank you for the quick replies.
My System SpecsSystem Spec
16 Dec 2009   #6
thefabe

Windows 7 ultimate 64 bit / XP Home sp3
 
 

Quote   Quote: Originally Posted by Everlong18 View Post
Quote   Quote: Originally Posted by ThePizzaMan View Post
hm.... it really needs to be in the first slot and it still should though
It doesn't matter with single cards. If both slots are x16 slots, then feel free to put it in either of them.
This is correct as long as they are both rated at 16x with one card. And only revert to 8x when both cards are used. You can always verify this by going through your manual as it varies by motherboards. Your MB may suggest which slot to use with a single card. Just to make sure and give you some piece of mind. Fabe-
My System SpecsSystem Spec
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 Dual PCIE 16x question




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