replacing laptop memory with no timing adjustment

carbide · Jan 7, 2014

I have a clevo w370st with some Samsung 1600 memory.there's no way to adjust the timings or frequency and the stock timings are all 11 with the last one at 28. Is there any ram I can fit with guaranteed tighter timings or do I just have to accept if I have no adjustment all ram will default to rather relaxed timings?

Cheers

sweenytodd · Jan 7, 2014

You can run different timings depending what you RAM you purchase but the max memory frequency for your laptop 1600MHz in dual channel operation. http://www.clevo.com.tw/en/products/prodinfo_2.asp?productid=405

DDR3L means low voltage ram.

pauls3743 · Jan 7, 2014

I disagree, I'd agrre for most other makes of laptops but not a Clevo. I have a Clevo laptop. The memory I have in it has CAS 9 timings. I had originally got it with 8GB of memory. I tried to upgrade it to 16GB by adding 8GB of CAS 11 ram. It didn't work, the laptop refused to boot. In conjunction with my local pc specialist supplier we tried various memory sticks at different timings. The only ones that worked were ones that matched perfectly the timings of the ram I already had.

TL: DR make sure the timings of your new memory match exactly that of your current ram. My clevo failed to boot when I installed mixed latency memory.

carbide · Jan 8, 2014

If I were going to swap the ram I'd replace the whole lot with identical sticks of identical size and timing. As pc specialist said to me that the clevo wouldn't work with ballistix? Stuff, the Samsung was my only choice. I wonder now though whether there's something else around that will run faster out of the box, though it could be a time consuming affair to have to keep buying and returning brands

pauls3743 · Jan 8, 2014

My Clevo is a P170M. I run it with G.Skill 1600MHz ram with CAS 9 latency.

This is the RAM I'm running my Clevo

http://www.kustompcs.co.uk/acatalog/info_52004.html

carbide · Jan 8, 2014

That's not bad at £30 a go.I have 3x 4gb modules at the mo.thought that'd be better than 2x8gb to avoid bottle necks though I'm not convinced that matters.shame there's no official, guaranteed to work list of memory by clevo or the manufacturer. Will drop an email to gskill and see if there's any train out shouldn't work.Cheers for the advice chaps

sixolar · Jan 12, 2014

Hi pauls,

I'm intersted in your tests, i've a clevo P177SM and tried to put 16Go of these http://www.gskill.com/en/product/f3-12800cl9d-8gbsk

It boot but crashes at random moments. Never happen with only two of the four modules.. I've been told that maybe the P177SM can't hold so low timings with 16Go, Do you have any idea about that?

Also, why clevo's bios don't allow frequency and timings editing?

pauls3743 · Jan 12, 2014

I typo'd my earlier post, it's the P170EM I have.

Random crashes - I'm no expert but what cpu do you have? The manuals make references that both your and my Clevos will only support 4 memory modules when a quad core processor is installed. For dual core processors it won't support more than 2 modules.

Timing settings - of the few laptops I have owned I have never known the frequency and timing settings to be available to alter.

sixolar · Jan 12, 2014

Yeah but it's a clevo so there might be not so much differences

I've a i7 4900MQ so that's not the problem... and good to know that laptops rarely have OC settings on the BIOS, it's my first one but these options were always available on all desktop computer i've owned

Well thanks, I'll ask clevo about that

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