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I am trying to tweak the settings in my BIOS and was hoping to be able to double check that things are running as I set them. I know how to check CPU clocks and lots of other info with dmidecode, cat /proc/cpuinfo, cat /proc/meminfo,sensors,andlscpu`.

I also use GUI tools like hardinfo and I-NEX but I can't seem to find northbridge, hypertransport, or RAM speed!

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For RAM speed

you can use the dmidecode:

sudo dmidecode --type memory | grep Speed

OR use lshw:

sudo lshw -short -C memory

A northbridge known also host bridge and hypertransport can be found by the command lshw:

sudo lshw

you can redirect the output to a text file:

sudo lshw  > hwFile.txt

Then search in hwFile for host bridge and hypertransport

Here is sample of mine:

description: Host bridge
          product: Xeon E5/Core i7 DMI2
          vendor: Intel Corporation
          physical id: 100
          bus info: pci@0000:00:00.0
          version: 07
          width: 32 bits
          clock: 33MHz
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  • Thank you, Mathux! It's interesting that dmidecode reports 933 MHz for my RAM while lshw reports 800 MHz. I can see host bridge but am a little confused about the clock speed. I am clocking my northbridge to 2800MHz in the BIOS. I don't see any hypertransport clock, just that my system supports it.
    – HarlemSquirrel
    Jun 13, 2015 at 22:17
  • You are welcome. for more info please take a look on the man page man lshw and man dmidecode
    – Maythux
    Jun 15, 2015 at 7:18

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