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Old 01-02-2008, 07:03 PM   #1
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Default Pci-e 2.0

Would PCI-E 2.0 cards such as the 3870, work in the PCI-E 1.0 slot?
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Old 01-02-2008, 07:10 PM   #2
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Default Re: Pci-e 2.0

yes
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Old 01-02-2008, 07:18 PM   #3
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Default Re: Pci-e 2.0

wikipedia says this about PCI-E 2.0:

PCI Express 2.0

PCI-SIG announced the availability of the PCI Express Base 2.0 specification on January 15th, 2007. PCIe 2.0 doubles the bus standard's bandwidth from 2.5 Gbit/s to 5 Gbit/s, meaning a x32 connector can transfer data at up to 16 GB/s in each direction.

PCIe 2.0 is not completely backward compatible with PCIe v1.x. Graphic cards and motherboards designed for v2.0 will be able to work with v1.1 and vice versa, however v2.0 cards might not work in some v1.0 and v1.0a motherboards.

The PCI-SIG also said PCIe 2.0 also features improvements to the point-to-point data transfer protocol and its software architecture. In June 2007 Intel released the specification of the P35 chipset which does not support PCIe 2.0 only PCIe 1.1. Some people may be confused by the P35 block diagram which states the Intel P35 has a PCIe x16 graphics link (8 GB/s) and 6 PCIe x1 links (500 MB/s each), for simple verification one can view the P965 block diagram which shows the same number of lanes and bandwidth but was released before PCIe 2.0 was finalized. Intel's first PCIe 2.0 capable chipset is the X38 and boards are already shipping from various vendors (Abit, Asus, Gigabyte) as of October 21, 2007. AMD starts supporting PCIe 2.0 from its RD700 Chipset Series. NVIDIA has revealed that the MCP72 will be their first PCIe 2.0 equipped chipset.
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Old 01-02-2008, 07:18 PM   #4
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Default Re: Pci-e 2.0

pci 1.1 not 1.0
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Old 01-02-2008, 07:29 PM   #5
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Default Re: Pci-e 2.0

How would I know if a PCIe 2.0 card will work in my mobo? or is it just a guessing game.. I have http://www.gigabyte.co.nz/Products/M...ProductID=2500
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Old 01-02-2008, 07:39 PM   #6
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Default Re: Pci-e 2.0

if it's a newer motherboard, i would think it has PCI-e v1.1. in which case it would work...didn't see any PCI-e version listed on the gigabyte page you linked to after looking around for a minute on it under specifications and stuff,,,maybe call gigabyte and ask?
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Old 01-02-2008, 07:50 PM   #7
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Default Re: Pci-e 2.0

Quote:
Originally Posted by thebigdintx View Post
if it's a newer motherboard, i would think it has PCI-e v1.1. in which case it would work...didn't see any PCI-e version listed on the gigabyte page you linked to after looking around for a minute on it under specifications and stuff,,,maybe call gigabyte and ask?
kk ty for help, ill call them up.
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Old 01-02-2008, 09:16 PM   #8
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Default Re: Pci-e 2.0

it will, there cross compatible with all x16 slots
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