Xmp Should i enable or keep disabled

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ac13044

ac13044

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Mar 25, 2016
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Xmp Should i enable or keep disabled for Crucial Ballistix Sport BLS8G4D240FSA 8GB DDR4 DIMM 288 pin Memory Module.

I have not O/C the system nor do I have plans to.

Running System Specs!
Mobo - Asus pro Gaming Z170
Cpu - Intel I5 6500
Gpu - Geforce Gtx 750Ti
Ram - Crucial Ballistix Sport BLS8G4D240FSA 8GB DDR4 DIMM
Cooler - Be Quiet Dark Rock pro 3
Psu - Evga Supernova G2 650w

Usage Would Be gaming, Music production, Djing, surfing the web, Watching Movies tv Shows etc Daily usage.

Much Appreciate the help guys many thanks.
 
Solution
BadActor


No need to enable XMP.
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1. The 1st thing you should do is get a 2nd stick ... RAM gets installed in pairs on this platform

2. The Z170 MoBo is for overclocking ... is that a 6500k ? You spent extra money for the Z170 but the non k CPU won't let you use its features

3. As above, you paid extra for DDR4 2400 ... don't you want to use the RAM speed that you paid for and which is on the package ? I haven't checked the latest JEDEC spec but last I did the highest JEDEC profile was 2133
 
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XMP will set the ram to run at its advertised speeds which is 2400mhz 16-16-16. If you dot have XMP enabled your motherboard will use default settings and likely set the ram to 2133mhz with slower timings. So yes if you want the ram to run as fast as it was designed to run enable XMP.
 
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You forgot to mention that massive double tower cooler on a locked cpu.
 
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i do not mind about o/c. I did not have the money for the k version so i opted for the i5 6500 as it was at a decent speed of 3.2 to 3.6 on turbo boost. It can be o/c doe I got to downgrade the bio. then lose the turbo boost feature and a couple of other things. The cooler i chose prefer it to be cool German engineered and it looks pretty sweet on the build. also the z170 i choose was that it had more features than the B and h version. Kind of on a budget at the time.
 
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BadActor

What speed is it running at? You can use CPU-Z to check. If it's running at 2400 already, no need to enable XMP. If it's at 2133, I would enable it.

what should i be looking at on cpuz on the memory tab. nb freq is at 3517.8mhz
the dram freq is 1205.9 a bit over
 
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JackNaylorPE 25 July 2016 00:09:40
1. The 1st thing you should do is get a 2nd stick ... RAM gets installed in pairs on this platform

2. The Z170 MoBo is for overclocking ... is that a 6500k ? You spent extra money for the Z170 but the non k CPU won't let you use its features

3. As above, you paid extra for DDR4 2400 ... don't you want to use the RAM speed that you paid for and which is on the package ? I haven't checked the latest JEDEC spec but last I did the highest JEDEC profile was 2133

Yea i have a pair on amazon saved when i get the money up
 
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No need to enable XMP then. I have the LT version of that RAM and it runs natively at 2400 (1200 x 2) and suspected yours would as well.
 
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JackNaylorPE 3 minutes ago
What MoBo ? I have never seen a MoBo pre-load an XMP profile before ...

I meant Ram sticks on amazon i am purchasing.on the asus pro gaming z170 in bios there is a xmp profile i can enable
 
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I was responding to Bad Actor who stated that his MoBo is auto loading the XMP profile, something I have never seen before and which conflicts with applicable standards As you see below on the Anadtech link and on every build I have every done, there was only two ways to enable the XMP profile

a) Auto load it off SPD by selecting XMP proifile in BIOS.
b) Manually type in a dozen or so settings manually for each stick
c) using a MoBo Tuning utility which does a) for you


It's the RAM itself that does this. It is set to run at 2400 rather than 2133, no XMP required.
Click to expand...

The RAM doesn't "do" anything. It's the MoBo that reads the SPD information off the RAM and writes it to the BIOS. Normally, the MoBo will default to the highest JEDEDC profile ... not to the XMP profile which is officially an "overclock"

For SPD info
https://en.wikipedia.org/wiki/Serial_presence_detect

http://www.intel.com/content/www/us/en/gaming/extreme-memory-profile-xmp.html

Intel® Extreme Memory Profile (Intel® XMP) allows you to overclock RAM including compatible DDR3/DDR4 memory to perform beyond standard specifications.

Predefined and tested Intel® XMP profiles can be loaded via BIOS or a specific tuning application through a computer’s operating system. Often the easiest way to load Intel® XMP profiles is using a tuning utility, which may be available depending on the particular board manufacturer. To learn whether a tuning utility is available on your system, you should contact the board manufacturer.
Click to expand...

http://www.anandtech.com/show/7364/memory-scaling-on-haswell/2

By default, memory should adhere to specifications set by JEDEC (formerly known as the Joint Electron Device Engineering Council).

An XMP, or (Intel-developed) Extreme Memory Profile, is an additional set of values stored in the EEPROM which can be detected by SPD in the BIOS. Most DRAM has space for two additional SPD profiles, sometimes referred to as an ‘enthusiast’ and an ‘extreme’ profile; however most consumer oriented modules may only have one XMP profile. The XMP profile is typically the one advertised on the memory kit – if the capability of the memory deviates in any way from specified JEDEC timings, a manufacturer must use an XMP profile.

Thus it is important that the user enables XMP! It is not plug and play!
Click to expand...

So again, I am wondering why in your build ... a process that is not "plug and play" and which every reference states must be user initiated (in one way or another), is happening automatically and overclocking your system w/o your apparent knowledge or consent.

Are you perhaps using the MoBo manufacturers' OC presets (tuning utility) which by selection of the higher OC Mode would auto load the XMP profile ?
 
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akzrz5.jpg
 
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Looks like JEDEC has approved a 2400 speed now.... looks like Im gonna have to read it again. But it does give us our answer, you are running one of the JEDEC profiles which is not in fact XMP ... in fact, what is listed as an XMP profile is simply a repeat of JEDEC #8. So in effect, this RAM has no XMP profile since it is not overclocking anything
 
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i do not have a clue just looking suggesting's on should i enable or disable the xmp in bios. would it make a difference on stock setting. I do not overclock or plan to. i do a lot of daily usage. Music production, Djing, Gaming, Web surfing, Watching Tv Movies etc.
 
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No need to enable XMP.
 
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Solution
BadActor 2 minutes ago
ac13044 said:
i do not have a clue just looking suggesting's on should i enable or disable the xmp in bios. would it make a difference on stock setting. I do not overclock or plan to. i do a lot of daily usage. Music production, Djing, Gaming, Web surfing, Watching Tv Movies etc.


No need to enable XMP.


Many thanks for your comments + time and effort
 
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If it wasn't clear from the previous posts ... it just doesn't matter.... as far as I can tell. Setting XMP does howver make voltage changes and also changes other settings which air in overclocking so on a k series processor, I woukld enable it.... you don't have a k.

 
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