Broadcom NetExtreme I 5761E - Enabling Jumbo Packets/Frame

muzicman82

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Hi all,

I have a Dell Precision M6500 laptop on Win8 x64. I have the Broadcom Driver 15.4.0.17 from their site for my 5761E chipset. Under the NIC device in Device Manager, under Advanced, there is no option for enabling Jumbo Packets/Frames or setting the MTU (packet) size. Any other way to enable this? I would find it hard to believe this chipset doesn't support it.

I can get 70+ MB/s upload speeds to other PCs, but not to my Netgear ReadyNAS. However, another PC on my network gets at least 60 MB/s to this same ReadyNAS, but it didn't until I enabled Jumbo Frames. The NAS has a setting for it, and my switch does support it. If I turn off Jumbo on the other PC, I only get about 12-15 MB/s which is what I am seeing from this 5761E right now.

I also tried the Microsoft driver, and while there are more options on the advanced tab, I don't see the Jumbo Frames option.

Any ideas would be great.
 

My Computer

System One

  • OS
    Windows 8.1 Pro x64 / Windows 7 x64
    Computer type
    Laptop
    System Manufacturer/Model
    Dell Precision M6500
    CPU
    Intel Core i7-740QM
    Memory
    16GB
    Graphics Card(s)
    NVIDIA Quadro FX 2800M
    Screen Resolution
    1920x1200
    Hard Drives
    Samsung 840 PRO SSD (Windows 8.1)
    OCZ Vertex 2 SSD (Windows 7)
    WD Black HDD (Storage)
    Browser
    Google Chrome
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