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Windows 7: switch card

06 Dec 2010   #1

Windows 7 Ultimate 64 bit
switch card

What is a VGA switch card and what does it do? I was looking into getting a new mobo, Asus M4A89GTD Pro. In the specs it and parts list, there is this VGA switch card.

My System SpecsSystem Spec
06 Dec 2010   #2

Windows 8.1 Pro

It makes sure the other PCI-Express 2.0 slot runs @ full 16x.

Attached Thumbnails
switch card-rawr.png  
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06 Dec 2010   #3
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8

Well, I did not know either what it is for. But here someone posted the answer:

Ok, having looked at the manual, I can see what its for.

The "Switch card" is a slot terminator.

You put it in the 2nd PCI-e 16x slot to disable it and make the 1st slot use all 16 lanes.

Two PCI-Express2.0 x16@8 lane graphic slot offer 4Gbyte/sec data transfer rate at each relative direction and up to 8Gbyte/sec concurrent bandwidth at full speed.
Looks to me like the default set up is to have the 2 PCI-e slots in a split 2 x 8 lane configuration, ie Crossfire mode.

If youre only using 1 card, put in the Switch and youll get all 16 lanes for your 1 card.
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06 Dec 2010   #4

Windows 7 Ultimate 64 bit

Thanks guys...really answered my questions....
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06 Dec 2010   #5

Windows 8.1 Pro

Quote   Quote: Originally Posted by bassfisher6522 View Post
Thanks guys...really answered my questions....
Np mate.

Thanks for the rep btw.
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 switch card

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