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Review: G51JX-A1 Review

 Posted - 4/25/2010 7:18:00 PM  - Show Profile  Edit Message

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Thanks Rodolfeo, those are awesome temps for 25*C! Very nice .

Thanks for the Turbo Boost results as well! . What's really interesting is I was seeing 3.0+GHz sometimes when I had my CPU unthrottled - I posted a screenshot of that a few pages back - but it was hard to reproduce it, as if randomly for some reason it was not being held to the normal 2.67/2.68 maximum. Being able to use SetFSB to get these results and more on command is is excellent.

Good job man - everyone says that it's impossible to overclock an i7, but you've just proved it is .

Does the system become unstable if you try it any higher? Are those RAM settings you found the optimal from all your testing?

Thanks very much for posting all this ,


 Posted - 4/25/2010 7:59:15 PM  - Show Profile  Edit Message

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I can not go higher than the frequency of the CPU. The PLL (Clock Generator) is not correct for the chipset HM55. In SetFSB I can only put the Bus Speed in 146.7, no more, no less.

The I7 with PM55 Chipset Bus Speed can be changed by the user. See http://forum.notebookreview.com/showthread.php?t=472894.

SetFSB version, the chipset supports HM55, but this version is shareware, not knowing that it works safely, I will not pay for it.

The capture of "CPU-Tweaker" is the default parameters. I have not tried to make stable RAM. But just changing the latencies to X-10-10-25 is stable for more than 15 minutes in prime95.

Read This http://forum.notebookreview.com/showthread.php?t=477553

Last Edited By - Rodolfeo on 4/25/2010 8:59:22 PM

 Posted - 4/26/2010 3:05:52 PM  - Show Profile  Edit Message

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Some info regarding the hidden partition - as prevoiusly said, it's 20GB. Important news about restoring - if you will use restoration disks, they will create this partition back, AND you will lose all data on drive D.
So, if you deleted the hidden partition and want to restore system with restore disks, you will lose all data.
Solution - get yourself a Win7 install DVD (we all have our license key, so it's OK to get DVD from wherever you want), and when doing reinstall, after windows installation just use ASUS dvd with drivers and utilities - it let's you choose what you want to install from the bloatware, so it's quite handy.

P.S. Photo editing goes like knife through butter... :) very nice, especially with this screen :D

 Posted - 4/26/2010 3:47:53 PM  - Show Profile  Edit Message

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Yep - the system with the FHD display does that very nicely .

Good to know the recovery discs create a complete system image, including that hidden partition.

I agree on the W7 install from DVD - if I do a reinstall I'd do that for sure and I wouldn't even bother with the original discs for drivers, the ones online are more up to date and occasionally the ones included on both the default image and the discs is for the wrong hardware. Otherwise I agree completely - we have the OEM key so we can install however we like .

Thanks for all the updates on overclocking, it wasn't possible when I got my system back in February, right through till mid-April when I started to tone down my research and experimentation - but now it is possible and that's great news .


 Posted - 4/27/2010 7:21:40 AM  - Show Profile  Edit Message

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OK, then let me present you with something else. I plugged the audio to the neighboring audio system, in order to get it nicely through speakers and..... there's awful lot of background noise!  I never had it before with any of my computers. I tried connectin via audio, and via usb (my audio system has such port) but result was the same - LOTS of noise, and it;s not like "white nosie", it seems that it's leaking interfenece from computer components. Anybody else experienced it?

 Posted - 4/27/2010 12:36:18 PM  - Show Profile  Edit Message

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Hmm, here's my theory and a simple test to try to see if it's what I think it might be:

Unplug the G51JX from power (and possibly any other connections aside from the audio one, if needed) and run it on battery mode and see if the noise continues. If not then it could be the sort of thing that happens in a car, when plugging in your MP3 player to both the power and the audio port causing a Ground Loop and tons of white noise over the car's speakers because of this.

In which case a ground fault interrupter or a 'clean' power bar
might be needed.

I could be wrong and it could be something entirely different, but I think it's the best first step to try.

Hope that helps ,


Last Edited By - PJPeter on 4/27/2010 12:37:33 PM

 Posted - 4/27/2010 3:59:38 PM  - Show Profile  Edit Message

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Beuber, make sure your mic is off, or muted. That would be my guess.

I have another benchmark coming today. Sorry for being late. Been busy with college.

Its Modern Warfare 2 Multiplayer

 Posted - 4/27/2010 5:18:28 PM  - Show Profile  Edit Message

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I am curious as to why the noise would be there for a USB connected sound.   As that would imply it has an external sound card capability.

I suppose a ground loop could still exist in that case.

 Posted - 4/27/2010 5:56:14 PM  - Show Profile  Edit Message

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Heres my new benchmark for modern warfare 2 multiplayer. It might still be processing so it might look bad quality until its complete. When its done processing it will show 720p option.


Edit made link clickable

Last Edited By - PJPeter on 4/27/2010 7:17:39 PM

 Posted - 4/27/2010 7:23:25 PM  - Show Profile  Edit Message

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Looks great Nokuma - watching it in 720p now .

Nice and smooth - and great that you posted the tip about VSync for people as well - thanks .

Could be the mic or drivers or some other incompatibility it's true - but I'm still thinking ground loop would be the first thing to check. Aside from rebooting of course, doing a test with no AC and with 3.5mm and USB outputs individually could help narrow down the issue at the very least. Once we have those results, we can work from there if we need to .


 Posted - 4/28/2010 7:26:16 AM  - Show Profile  Edit Message

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Mr. K - thanks! That was the mike....

 Posted - 4/28/2010 11:00:00 AM  - Show Profile  Edit Message

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Glad to hear it's fixed - might want to thank Nokuma too though I just found that in order to record system output using Audacity you need to enable the Stereo Mixer manually through the 'Recording Devices' panel. It seems odd disabling and enabling rather than just muting, but if you select to 'Show Disabled Devices' it does work just as well.

Of course you could use a line-in cable between the Line-in and Mic to do the recording - but the Stereo Mixer is way better of course . Just have to reset Audacity every time you enable/disable the devices or it doesn't seem to pick it up properly.

Alternately you can disable the Mic at the recording source point (As above) or disable the playback for each of the devices individually (Laptop Speakers, Digital Out, External Devices Speakers, etc...). HDMI Sound outputs quite nicely in my tests.

Wish I had the speakers to test out the digital output 3.5mm port but alas, still only analog with my headphones/X540 speakers. Still sounds quite good though if I enable Matrix Mode on the speakers though, though not true 5.1/7.1 sound.


 Posted - 5/6/2010 10:42:19 PM  - Show Profile  Edit Message


Very interesting thread - you've done some great work and it's an excellent resource.

I just ordered  a g51jx-a1, I needed a work laptop fast and it was in stock and well-spec'd. I just realized it has those awful looking lights on the lid - this won't look very professional when I'm visiting clients and doing demos!

Is these anyway of disabling the lights?

I've done some searching and can't locate a solution, just lots of people complaining about the issue.

I understand the light go off when it is plugged, I wonder is that switch happening at a hardware or software level?

Aside from opening the screen casing do you know of a way to disable the lights?

Thanks in advance.

 Posted - 5/7/2010 10:23:17 AM  - Show Profile  Edit Message

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Hey jimmy,

Sorry to say but it is the only way. I have a ticket open with support asking for another way - but there has been 0 movement on it unfortunately. .

It's a hardware level processor, and if you want to disable them you need to open up the lid as described on page 8 of the thread. I wish there was another way, but ASUS stopped making software for this sort of thing before the G51J and the older control panels are confirmed not working. Fortunately it isn't too difficult to do, but having to do it at all isn't great at all I know.

One other alternative you have is that at least one person put a carbon fiber 'sticker' over the back panel - it looked quite good. He cut holes in the lid for the logo and the lights, however you could just cover the entire panel without that. If you're interested, I can dig up the thread and you can give it a try - I think it was a vinyl type sticker and it doesn't leave a residue. That might still let some leakage out the sides, but it would be much plainer looking.

I don't mind the look too much personally, but I suppose I'm closer to the younger demographic it was designed for and I usually just keep it at my desk and use my Netbook when I'm on the move.

I hope one of those suggestions helps you though or at least gives you some ideas,


 Posted - 5/17/2010 3:23:44 PM  - Show Profile  Edit Message

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What do you think about this:

G50V/G51/G60VX HDD Bracket Assembly
Can be used with the following models for Dual Hard Drive Support:
G50V / G50VT / G51J / G51J 3D / **G51JX** / G60VX
Note: Part will also come with screws to mount the HDD

Can you actually mount a 2nd HD in the G51JX model?

I thought the 2/4 extra RAM slots prevent a 2nd HD, but unsure.

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