I cannot get MemoryBandwidth on SNB

[GHui]

I have two SNB Platform. One is E5-2620, and the other is E5-4620.

I can get MemoryBandwidth on E5-2620, but not on E5-4620.

Any help will be appreciated.

The BIOS information is following.

-------------- E5-2620 Start --------

BIOS Information
        Vendor: American Megatrends Inc.
        Version: 2.0
        Release Date: 01/17/2013
        Address: 0xF0000
        Runtime Size: 64 kB
        ROM Size: 12288 kB
        Characteristics:
                PCI is supported
                BIOS is upgradeable
                BIOS shadowing is allowed
                Boot from CD is supported
                Selectable boot is supported
                BIOS ROM is socketed
                EDD is supported
                Print screen service is supported (int 5h)
                8042 keyboard services are supported (int 9h)
                Serial services are supported (int 14h)
                Printer services are supported (int 17h)
                ACPI is supported
                USB legacy is supported
                BIOS boot specification is supported
                Function key-initiated network boot is supported
                Targeted content distribution is supported
                UEFI is supported
        BIOS Revision: 1.0

-------------- E5-2620 End --------

-------------- E5-4620 Start --------

BIOS Information
    Vendor: IBM
    Version: -[CNE120SUS-1.10]-
    Release Date: 11/21/2012
    Address: 0xE0000
    Runtime Size: 128 kB
    ROM Size: 8192 kB
    Characteristics:
        PCI is supported
        PNP is supported
        BIOS is upgradeable
        BIOS shadowing is allowed
        Boot from CD is supported
        Selectable boot is supported
        EDD is supported
        Print screen service is supported (int 5h)
        8042 keyboard services are supported (int 9h)
        Serial services are supported (int 14h)
        CGA/mono video services are supported (int 10h)
        ACPI is supported
        USB legacy is supported
        Function key-initiated network boot is supported
        Targeted content distribution is supported
    BIOS Revision: 1.10
    Firmware Revision: 1.88

-------------- E5-4620 End --------

[Sansiro_W_]

You must get an error msg on E5-4620.

Can you show it?

[Patrick_F_Intel1]

Or give us some clue as to what tools you are using, what you are actually trying to do, what error message you are getting...

[GHui]

I am trying to get MemoryBandwidth across by access PCI.

[Patrick_F_Intel1]

It can work if you do it right.

[Bernard]

What tools are you using?

[GHui]

I am sorry for late.

I'll try again.