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Old 07-05-2011, 06:19 AM   #1 (permalink)
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Question PCI-express on asus laptop

Hi all, I'm new here and curious about something concerning my laptop which is
Asus k50ab and it has two video cards the one is radeon HD 3200 and the other one is mobility radeon HD 4570. When I looked in the catalyst display driver for the pci-e it says that it's on pci-e x8 but when I looked on the cpu-z it says that the maximum pci-e is x16 so is there a way to make it to work on x16 or not?
Because when I asked in the store from the place where I bought my laptop they told me that the cards are integrated and they are on crossfire this was the reason not to be able to make my mobility radeon HD 4570 to use the pci-e x16, is this true?
screens: http://store.picbg.net/pubpic/47/44/...06536e4744.jpg
http://store.picbg.net/pubpic/4E/BD/...6a44e24ebd.jpg
http://store.picbg.net/pubpic/C7/7D/...24fbdac77d.jpg
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Old 07-05-2011, 10:22 AM   #2 (permalink)
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Default Re: PCI-express on asus laptop

What model do you have?

When two cards are on one system, only the first runs in x16, the other is x8.
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Old 07-05-2011, 11:11 AM   #3 (permalink)
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Default Re: PCI-express on asus laptop

The model is ASUS K50AB-SX010L ComTrade 98 / ASus K50AB-Sx010L/15.6/AMdql64 : - ASUS; - Dual Core; - 2GB; -... , well when I use the Dgpu mode from the bios so that I can use only my high performance GPU it's still saying that it's on pci-e x8 same thing happens when I use the powerXpress mode which is for to be able to use both cards the power saving GPU and high performance GPU.
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Old 07-05-2011, 12:44 PM   #4 (permalink)
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Default Re: PCI-express on asus laptop

Where does it say that there are 2 graphic cards? I only see one.
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Old 07-05-2011, 01:25 PM   #5 (permalink)
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Default Re: PCI-express on asus laptop

Well that's what I didn't understand too why they don't have the second card displayed in the spec list and I would have been surprised that it had a second card "radeon HD 3200" when I had the laptop in the beggining if I didn't have noticed some comments about this laptop that they were saying the laptop has a power saving GPU except the high performance GPU. Also they told me in the store that a mobility video card can't use the pci-e x16 that only a desktop video card or external card can use the pci-e x16. Cuz my laptop is using crossfire and the two cards are intergrated to it and there is no way it can be forced to use x16 on my desired video card cuz the two cards are sharing the pci-e x16 like this pci-e x8 for the one and for the other x8 as well.
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