I cannot get MemoryBandwidth on SNB

GHui — Wed, 11 Sep 2013 09:27:14 GMT

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 --------

You must get an error msg on

Sansiro_W_ — Wed, 11 Sep 2013 12:00:24 GMT

You must get an error msg on E5-4620.

Can you show it?

Or give us some clue as to

Patrick_F_Intel1 — Wed, 11 Sep 2013 13:51:37 GMT

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...

I am trying to get

GHui — Thu, 12 Sep 2013 07:14:14 GMT

I am trying to get MemoryBandwidth across by access PCI.

It can work if you do it

Patrick_F_Intel1 — Thu, 12 Sep 2013 11:04:41 GMT

It can work if you do it right.

What tools are you using?

Bernard — Wed, 18 Sep 2013 15:26:30 GMT

What tools are you using?

I am sorry for late.

GHui — Tue, 24 Sep 2013 06:12:06 GMT

I am sorry for late.

I'll try again.

topic Or give us some clue as to in Software Tuning, Performance Optimization & Platform Monitoring

I cannot get MemoryBandwidth on SNB

You must get an error msg on

Or give us some clue as to

I am trying to get

It can work if you do it

What tools are you using?

I am sorry for late.