R7000 after adjustment the CPU frequency can't boot up

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happy
happy's picture
R7000 after adjustment the CPU frequency can't boot up

After adjustment the CPU frequency can't boot up. Can flash with TTL after adjustment the cpu frequency, but after flash still can't boot. I can enter CFE> mode. Can I use a command to restore the cpu frequency and what's the command? Or the other way to repair this R7000 router.

MUNGO
MUNGO's picture
If you can get to the shell

If you can get to the shell type "nvram set clkfreq=1000,800" & then "nvram commit" to set it back to default. "nvram get clkfreq" will let you check the clock & memory frequency.

Sayan Mukherjee
Sayan Mukherjee's picture
I have never tried to adjust

I have never tried to adjust CPU frequency. But I am eagerly waiting to know whether this worked or not.

MUNGO
MUNGO's picture
Yes it works. Lots of people

Yes it works. Lots of people have used it. You can either use "nvram set clkfreq=1200,800", sets CPU to 1.2GHz & memory to 800MHz, or "nvram set clkfreq=1400,800", sets clock to 1.4GHz & mermory to 800MHz, & then "nvram commit". Do not change the memory clock speed to anything other than 800MHz. 1.2GHz should work with no issues & 1.4GHz should work on most. For 1.4GHz I would 1st set it to that & let it run for a day or two & then if all is stable & well you can log back into the shell & type "nvram commit". If you type the commands without the commit then it will not be permanent & the settings will revert back to your previous settings after you reboot the router. Give it a try & good luck.

Sayan Mukherjee
Sayan Mukherjee's picture
Thanks a lot. I will surely

Thanks a lot. I will surely try....

MUNGO
MUNGO's picture
If you can get to the shell

If you can get to the shell type "nvram set clkfreq=1000,800" & then "nvram commit" to set it back to default. "nvram get clkfreq" will let you check the clock & memory frequency.

Sayan Mukherjee
Sayan Mukherjee's picture
I have never tried to adjust

I have never tried to adjust CPU frequency. But I am eagerly waiting to know whether this worked or not.

MUNGO
MUNGO's picture
Yes it works. Lots of people

Yes it works. Lots of people have used it. You can either use "nvram set clkfreq=1200,800", sets CPU to 1.2GHz & memory to 800MHz, or "nvram set clkfreq=1400,800", sets clock to 1.4GHz & mermory to 800MHz, & then "nvram commit". Do not change the memory clock speed to anything other than 800MHz. 1.2GHz should work with no issues & 1.4GHz should work on most. For 1.4GHz I would 1st set it to that & let it run for a day or two & then if all is stable & well you can log back into the shell & type "nvram commit". If you type the commands without the commit then it will not be permanent & the settings will revert back to your previous settings after you reboot the router. Give it a try & good luck.

Sayan Mukherjee
Sayan Mukherjee's picture
Thanks a lot. I will surely

Thanks a lot. I will surely try....