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PCI-e 2.1 on a 1.0A slot

Last response: in Graphics & Displays
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August 17, 2011 4:38:46 AM

Hi, I am thinking about switching to a new graphics card.
I have a G31/g33 Chipset right now.
My computer is a Dell Inspiron 530 quad core,
My PSU has 350 watts, but I'm planning on to switching to a thermaltake with around 500 watts
I have PCI-e slot 1.0A and I don't know if a 6570PE31G AMD Radeon HD 6570 1024MB DDR3 PCIe 2.1 x16 Video Card will work with the slot and power supply.

Thanks and sorry for the bad grammar

More about : pci slot

a b U Graphics card
August 17, 2011 6:12:02 AM

NP with the grammar lol. Mine sucks, and I only speak English :) 

From Wikipedia:

"The PCIe 2.0 standard doubles the per-lane throughput from the PCIe 1.0 standard's 250 MB/s to 500 MB/s. This means a 32-lane PCI connector (x32) can support throughput up to 16 GB/s aggregate. The PCIe 2.0 standard uses a base clock speed of 5 GHz, while the first version operates at 2.5 GHz.

PCIe 2.0 motherboard slots are fully backward compatible with PCIe v1.x cards. PCIe 2.0 cards are also generally backward compatible with PCIe 1.x motherboards, using the available bandwidth of PCI Express 1.1. Overall, graphic cards or motherboards designed for v2.0 will be able to work with the other being v1.1 or v1.0."

Unfortunately, I can't tell you if your new vid card is fast enough to be restricted by your motherboard. That may not be an issue, though, depending on what cpu you are using - it may prove to be the restricting factor.
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a b U Graphics card
August 17, 2011 9:33:08 PM

Some PCI-E 2.1 cards do NOT work with PCI-E 1.0 slots. Be advised.
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a c 214 U Graphics card
August 17, 2011 10:05:55 PM

PCI-Express x16 2.1 cards are backwards compatible with 1.0 slots, technically, but some motherboards require you to download and Update the BIOS to support the 2.1 cards.You will have to look up your exact motherboard's model number and see if Dell has a BIOS update avalible for this issue.

If all your getting is the 6570 you do not need to upgrade your PSU.Unless you feel it's nessesary.The 6570 is a very low powered card and doesn't require much power at all.

How do you know you have a 1.0 slot?
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a b U Graphics card
August 17, 2011 10:14:26 PM

Some PCI-E 2.1 cards don't work with 1.0 and 1.1. Mine does though, so not sure about what will happen with you.
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a b U Graphics card
August 17, 2011 10:15:41 PM

Don"t upgrade the PSU either, I don't think you will need to.
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a c 214 U Graphics card
August 17, 2011 10:18:07 PM

^+1
That PSU is fine for a 6570.
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August 17, 2011 11:10:42 PM

purple stank said:
PCI-Express x16 2.1 cards are backwards compatible with 1.0 slots, technically, but some motherboards require you to download and Update the BIOS to support the 2.1 cards.You will have to look up your exact motherboard's model number and see if Dell has a BIOS update avalible for this issue.

If all your getting is the 6570 you do not need to upgrade your PSU.Unless you feel it's nessesary.The 6570 is a very low powered card and doesn't require much power at all.

How do you know you have a 1.0 slot?

How do I find out what model my motherboard is?

I know it's a 1.0 slot because I got it from Dell support website
http://support.dell.com/support/edocs/systems/inspd530/...

Also the card's requirement said it needs 400 watts.
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a c 214 U Graphics card
August 17, 2011 11:20:38 PM

I've been browsing around in Dell's support files and it doesn't seem that they have any BIOS updates for this.

So what it ends up being if you get the card is that it's a 50/50 chance if it will work or not.I've tried installing a 2.1 card in a 1.0 slot and it didn't work for me and HP didn't have any BIOS updates.Although I have heard of people getting it to work.As I said it's a 50/50 chance.

As an alternative you can always get the previous model 5570.It's practically the same card but it's slightly slower.

http://www.tigerdirect.com/applications/SearchTools/ite...


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a b U Graphics card
August 17, 2011 11:24:24 PM

funkyfamas said:
How do I find out what model my motherboard is?

I know it's a 1.0 slot because I got it from Dell support website
http://support.dell.com/support/edocs/systems/inspd530/...

Also the card's requirement said it needs 400 watts.

They say 400w. That is for a regular PSU. Dell PSUs are good though. many PSUs can't actually supply the watts they say they can.
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a b U Graphics card
August 17, 2011 11:34:29 PM

funkyfamas said:
Also the card's requirement said it needs 400 watts.


As you can see here:

http://www.anandtech.com/show/4278/amds-radeon-hd-6670-...

your card won't draw 200W from the power supply. The linked tables show an entire 920 system drawing ~200W from the wall, which is no more than 180W from the psu. Your Dell psu will provide plenty of power.
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a b U Graphics card
August 17, 2011 11:39:13 PM

a 2.1 card is working in a 1.0 slot is dependent also on the chipset
I have an Intel 965 chipset and my 2.1 HD 5670 worked fine in my
Dell Optiplex 745
I believe your chipset is newer than mine so I would think it would be fine
search google for your chipset and PCIe 2.1 and see what it says
Make sure to upgrade BIOS as other posters said
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a c 214 U Graphics card
August 18, 2011 12:12:52 AM

I believe when I was browsing through Dell's support pages I did come across a BIOS update for a Intel chipset or something.
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a b U Graphics card
August 18, 2011 1:18:28 AM

also to make sure to upgrade the chipset drivers
http://support.dell.com/support/downloads/download.aspx...
that should bring you to the Vista drivers
which is what you want if you are using Vista or Windows 7
there is also XP drivers available

PCIe support is heavily dependent on chipsets
and that driver I linked is from 2009 so there is a chance it will improve PCIe support for 2.0/2.1
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