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Overclocking on Asuswrt-Merlin 378.56_2 (RT-AC68U and RT-N66U)

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You really need to get this working before you have a problem!
I suppose the worst case is that I would need to de-solder a flash chip from the board for reprogramming. However, then I would install a socket for the new flash chip. Maybe even run wires to a chip socket on the outside of the router? Then, de-bricking would always be fast and easy. The biggest problem is de-soldering a chip because you can damage the board with too much heat.
 
Can anyone give my a hint (or even a link) how to overclock my RT-AC68U. Im running Merlin 378.56_2. Im not really experienced with those stuff:(

Thanks a lot!

FlyByWire
 
Can anyone give my a hint (or even a link) how to overclock my RT-AC68U. Im running Merlin 378.56_2. Im not really experienced with those stuff:(

Thanks a lot!

FlyByWire


Hint: don't. ;)
 
Can anyone give my a hint (or even a link) how to overclock my RT-AC68U. Im running Merlin 378.56_2. Im not really experienced with those stuff:(
Hint 2: Read the thread from the BEGINNING! :rolleyes:
 
hmm..nobody answered my earlier post...
i can oc my rtn66u but cant get this to be done on every reboot...how can i sustain that oc?
 
i can oc my rtn66u but cant get this to be done on every reboot...how can i sustain that oc?
Why not reading the first 5 posts of the thread? Everything is there... init-start and service-stop should be your friends! :eek:
 
Like FlyByWire I'd be very grateful is someone can provide beginner's guide on how to create a startup script to re-apply the overclocking. My AC68U had been happily running at 1200,666 until the latest firmware.

Yes, I have read this thread from the beginning but it does not give detail on how to write the script and where to apply it.

Many thanks,

HB
 
Like FlyByWire I'd be very grateful is someone can provide beginner's guide on how to create a startup script to re-apply the overclocking. My AC68U had been happily running at 1200,666 until the latest firmware.

Yes, I have read this thread from the beginning but it does not give detail on how to write the script and where to apply it.

Many thanks,

HB

RTFM https://github.com/RMerl/asuswrt-merlin/wiki

Topic User Scripts under Usage is a good start! - and review the real-life scripts in the How To Guides to see what more complex scripts can achieve.
 
I have RTFM again but I still see no guide or example script on how to do this to specific task (and include init-start and service-stop). If it is in the wiki then I'm sorry but I can't find it. Feel free to ridicule me and point me to it if it is indeed there.

I (and likely many others here) am not a programmer but can follow instructions. I really don't fancy 'just having a go' with this as I don't want to end up bricking my router. That's why I have simply asked for step by step guide how to do this one task.

HB
 
I have RTFM again but I still see no guide or example script on how to do this to specific task (and include init-start and service-stop). If it is in the wiki then I'm sorry but I can't find it. Feel free to ridicule me and point me to it if it is indeed there.

I (and likely many others here) am not a programmer but can follow instructions. I really don't fancy 'just having a go' with this as I don't want to end up bricking my router. That's why I have simply asked for step by step guide how to do this one task.

HB


As per L&LD's advice on overclocking (especially if you don't understand the consequences):

http://www.snbforums.com/threads/ov...rt-ac68u-and-rt-n66u.28043/page-2#post-217327

I personally bricked a £500 Samsung phone... was it my fault that the 3rd-party firmware was faulty?...NO, but it was my decison to 'follow the instructions' (fully to the letter I might add) yet I still managed to end up with a bricked device.
My point is that like betting, you should only bet an amount that you can comfortably afford to lose.
So in my case I simply purchased a replacement phone and flashed the new firmware to it, and this time I didn't end up with a second bricked £500 device.

So can you afford to brick your router?, and besides, are you sure you will reap tangible real-world benefits of the proposed overclocking for your particular internet/surfing router profile?
Overclocking doesn't work for everyone...as can be evidenced from numerous posts in this forum.
Some routers simply are not quite as tolerent as others to achieve the same level of Overclocking.

So if you did indeed read the suggested link in the Wiki:

https://github.com/RMerl/asuswrt-merlin/wiki/User-scripts

exactly which bit of the following in that link did you fail to comprehend?

Code:
Creating scripts

Don't forget to set any script you create as being executable:
chmod a+rx /jffs/scripts/*

And like any Linux script, they need to start with a shebang:
#!/bin/sh


Also, you must save files with a UNIX encoding.
Note that Windows's Notepad cannot save with a UNIX encoding - get Notepad++ instead.
You can also directly edit it on the router through vi (included in the firmware)
or nano (available through Optware/Entware) to ensure that your scripts are saved in a valid format.

If Unix vi/nano as editors mean nothing to you then a quick search for WinSCP in this forum should provide you with a familiar cut'n'paste method of creating/editing the appropriate /jffs/scripts on the router if you have a Wintel PC.

Does this meet with your expected level of ridicule? :p
 
Code:
mkdir -p /jffs/scripts

echo "#!/bin/sh" > /jffs/scripts/services-stop
echo "nvram set clkfreq=1000,666" >> /jffs/scripts/services-stop
echo "nvram commit" >> /jffs/scripts/services-stop
chmod 755 /jffs/scripts/services-stop

cat /jffs/scripts/services-stop

If you make any typo during the process, remove the file. Repeat the steps until the last step show you the right content.

Indeed it'll be good to learn basic Unix skill...

Sorry but how do you write the script to JFFS?
I'm trying to use this:
http://www.dd-wrt.com/wiki/index.php/JFFS

And by using telnet I've only got as far as creating the directory
mkdir /jffs/script

Thanks again.

HB
 
Sorry but how do you write the script to JFFS?
I'm trying to use this:
http://www.dd-wrt.com/wiki/index.php/JFFS

And by using telnet I've only got as far as creating the directory
mkdir /jffs/script

Thanks again.

HB


OMG...! you really should step back from the keyboard now!

https://github.com/RMerl/asuswrt-merlin/wiki/JFFS

i.e. /jffs/scripts and /jffs/config are automatically created for you by RMerlin's firmware....

..but being unable to differentiate between '/jffs/script' and '/jffs/scripts' at the very first stage is clearly beyond you? ...you are going to be in a world of pain if you continue! :eek:
 
Did a little more digging on mine being it defaults to 1000mhz and even though the box says RT-68U just bought at Fry's Electronics on sale, its a 68P. Nice surprise. Might go back and see if there are any left on sale. This is a very nice router.
 
OMG...! you really should step back from the keyboard now!

https://github.com/RMerl/asuswrt-merlin/wiki/JFFS

i.e. /jffs/scripts and /jffs/config are automatically created for you by RMerlin's firmware....

..but being unable to differentiate between '/jffs/script' and '/jffs/scripts' at the very first stage is clearly beyond you? ...you are going to be in a world of pain if you continue! :eek:

And this is EXACTLY why people ask for help is it not?
Everyone has to learn at the beginning at some stage.

Seriously dude, I appreciate the help but try to be a little less patronising and a little more constructive. I hope that you are not a teacher of any sort.

Good forums are for sharing knowledge and helping others. Yes, people have to help themselves too I get that but you have to remember that what is simple to you is not for others. That doesn't mean they won't be able to do things given the right instructions.
 
And this is EXACTLY why people ask for help is it not?
Everyone has to learn at the beginning at some stage.

Seriously dude, I appreciate the help but try to be a little less patronising and a little more constructive. I hope that you are not a teacher of any sort.

Good forums are for sharing knowledge and helping others. Yes, people have to help themselves too I get that but you have to remember that what is simple to you is not for others. That doesn't mean they won't be able to do things given the right instructions.

My previous posts to you were, in my opinion, extremely constructive suggestions to guide you with respect to the RMerlin firmware, to be able to edit/create scripts.

So whilst Kvic provided a command line method to tediously enter a script, his parting comment was

If you make any typo during the process, remove the file. Repeat the steps until the last step show you the right content.

so clearly a single typo would require you to delete all of the invalid script and try again by tediously retyping every single character again (until you get it right) rather than guide you to using an appropriate editor as I did.

Hence my tongue-in-cheek comment that you will be at a serious disadvantage. I apologise if this has caused offence, but yes I do provide technical IT mentoring for others and I am very successful with my methods and repectfully, none of them refer to me as dude.
 
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