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September 12th, 2012 16:00
M4700 Specification Query
Question about the express slot on this, looking around I have found that the south bridge is an Intel ID1E55 which I have been unable to find anything about on intels or dells site. Also a discrepancy in the north bridge as well, as the QM77 only supports pci-e2, how are they using a pci-e3 card with this as info on amd's m4000 is just as sparse(is it really pcie3?)? Which finally leads up to, is the the express slot is wired up to be pcie3 or pcie2?
Thanks for your time
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DELL-Ravi Ch
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September 13th, 2012 06:00
Hi verycurious,
Your Dell Precision M4700 Mobile Workstation came with AMD FirePro™ M4000 graphics card. This card is directly linked to the processor .This card does not work directly via the QM77 chipset on your system. You can refer to Image below to have clear picture.
The QM77 chipset offers up to 5 GT/s for fast access to peripheral devices and networking with up to 8 PCI Express 2.0 x1 ports, configurable as x2 and x4 depending on motherboard designs.
verycurious
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September 13th, 2012 11:00
So would the express card be linked to the chipset or directly to the CPU?
DELL-Ravi Ch
7 Technologist
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7.1K Posts
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September 14th, 2012 14:00
Hi verycurious,
PCI Express 3.0 is directly linked to the processor with 1 x16 or 2x8 configurable depending on the motherboard design.
PCI Express 2.0 is directly linked to chipset with x1 ports, configurable as x2 and x4 depending on the motherboard design.
Please let me know if this helps.