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_SiN_
Megatron
Posts: 12108
Location: Cybertron
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 Posted: Sat, 24th Mar 2018 15:52 Post subject: Added RAM to current system, new memory only shows up as hal |
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Relevant system information:
- i7 4790k
- MSI Z97 Gaming 5 motherboard
- Crucial Ballistix Tactial 1600mhz, 16Gb (2x8gb)
So really needed some more RAM, since I'm working with some heavy Photoshop PSD files these days, and 16Gb is a tad too little. I then remembered I had 2x4Gbs of Corsair XMS3 RAM from an older build lying around, so I tried installing them. The PC runs and all, but the XMS3-sticks are only recognized as 2gb each, so I have 20gb total. CPU-Z says 2048mb each.
Now, the stick are installed as follows, if it matters (left to right):
Slot 1 XMS3
Slot 2 Ballistix
Slot 3 XMS3
Slot 4 Ballistix
The Ballistix are in the same slots they've always been.
The specs for the XMS3's are
1600Mhz, 9-9-9-24, 1.65v
https://www.corsair.com/eu/en/Categories/Products/Memory/XMS3-%E2%80%94-8GB-%282x4GB%29-DDR3-1600MHz-C9-Memory-Kit/p/CMX8GX3M2A1600C9
The Ballistix are:
8-8-8-24, 1600Mhz, 1.5v
http://www.crucial.com/usa/en/blt4kit4g3d1608dt1tx0
So the major difference here is the voltage - is there anything I can do?
Can I run all sticks in 1.65v? That's overvolting the Crucial sticks yes, maybe not a good idea? According to UEFI, the memory is running at 1.5v, so would that be why the XMS3s are only showing as 2gb each?
Watercooled 5950X | AORUS Master X570 | Asus RTX 3090 TUF Gaming OC | 64Gb RAM | 1Tb 970 Evo Plus + 2Tb 660p | etc etc
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| Posted: Sat, 24th Mar 2018 18:13 Post subject: |
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wont work, you cant run ram with different voltage, nor can you run the 1,65v sticks at 1,5 or the 1,5 at 1,65 (well the second would work, for a few minutes to hours...)
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| Posted: Sat, 24th Mar 2018 18:23 Post subject: |
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Can you load most compatible profile for all sticks to make them run at 1.5 V?
It doesn't matter that those modules are sold as for 1.65 V, they MUST HAVE a profile for the Jedec-compatible 1333 MHz @ 1.5 V programmed in its SPD. Everything else is optional.
Also, 1.5 V chips are tolerant to 1.65 V, it wont harm them (I was using them this way for more than a year) but it may harm memory controller in CPU (esp. post-Sandy Bridge), so be warned.
Or, you can try loading the profile for 1600 and then manually adjust the voltage to 1.6 V, it would probably work fine and is more safe than 1.65 V.
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_SiN_
Megatron
Posts: 12108
Location: Cybertron
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| Posted: Sat, 24th Mar 2018 19:57 Post subject: |
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Yeah, while I'm not at all knowledgeable about almost anything that has to do with RAM and speed, I've loaded optimized results, which should lead to the timings being a bit slower, but allowing them to run on 1.5v... but they still only show up as 2048mb each, which is what is confusing me..
Watercooled 5950X | AORUS Master X570 | Asus RTX 3090 TUF Gaming OC | 64Gb RAM | 1Tb 970 Evo Plus + 2Tb 660p | etc etc
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| Posted: Sat, 24th Mar 2018 20:09 Post subject: |
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Last edited by paxsali on Thu, 4th Jul 2024 23:29; edited 2 times in total
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_SiN_
Megatron
Posts: 12108
Location: Cybertron
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| Posted: Sat, 24th Mar 2018 20:33 Post subject: |
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| paxsali wrote: | You still at 4790k + DDR3 GEN??
Shane on you, man.
Just buy a Ryzen with DDR4 RAM for your PS payload. |
I just spent an ungodly amount of money on a completely new and large apartment, while at the same time spending enough money on my GT86 to buy another car with.. Have to take things in order right now. Ryzen and 32gb RAM would be the next step, but not this month. RAM prices are retarded right now..
Watercooled 5950X | AORUS Master X570 | Asus RTX 3090 TUF Gaming OC | 64Gb RAM | 1Tb 970 Evo Plus + 2Tb 660p | etc etc
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| Posted: Sat, 24th Mar 2018 21:02 Post subject: |
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Last edited by paxsali on Thu, 4th Jul 2024 23:29; edited 2 times in total
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_SiN_
Megatron
Posts: 12108
Location: Cybertron
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| Posted: Sat, 24th Mar 2018 23:41 Post subject: |
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Zen+ (or Zen 2, who can keep up with the AMD ryzen naming shenanigans anymore) that's coming out next month seems like such a minor incremental upgrade that I'm now thinking if I could hold out some more still and get the die shrink ryzen instead that's supposed to be coming late this year. Maybe the RAM prices would be a bit more sane then, too.
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tonizito
VIP Member
Posts: 51413
Location: Portugal, the shithole of Europe.
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| Posted: Sun, 25th Mar 2018 00:19 Post subject: |
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| inz wrote: | | Zen+ (or Zen 2, who can keep up with the AMD ryzen naming shenanigans anymore) that's coming out next month seems like such a minor incremental upgrade that I'm now thinking if I could hold out some more still and get the die shrink ryzen instead that's supposed to be coming late this year. Maybe the RAM prices would be a bit more sane then, too. |
You better check how the bethesda games run on the new ryzen's before buying men, that single thread performance may not be enough to keep beth's crap engines running smoothly  
| boundle (thoughts on cracking AITD) wrote: | | i guess thouth if without a legit key the installation was rolling back we are all fucking then |
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Stige
Posts: 3544
Location: Finland
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| Posted: Sun, 25th Mar 2018 10:53 Post subject: |
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| Janz wrote: | | wont work, you cant run ram with different voltage, nor can you run the 1,65v sticks at 1,5 or the 1,5 at 1,65 (well the second would work, for a few minutes to hours...) |
Wrong.
You can just overclock the RAM at less voltage no problems, the difference is minimal.
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| Posted: Sun, 25th Mar 2018 11:30 Post subject: |
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I would try run all sticks with fixed 1333mhz @ 1.5V for all, with the 2x8GB timings (9-9-9-24). If this works, you can try bump up the speed to 1600mhz with 1.5V and with the 9-9-9-24 timings for all, if this doesn´t work, then try same but with 1.65V @ 9-9-9-24 timings (1.65V wont do any harm to the 1.5V memory).
Memory overclocking / downclocking varies, but generally same rules applies here as GPU/CPU overclocking, it really depends on the quality of the chips (that if they can be run at rated speed with less voltage or the other way).
Anyway, you mixing 2 different sets of RAM, speed/size wise, so nothing is pretty much not guaranteed to work.
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| Posted: Sun, 25th Mar 2018 11:54 Post subject: |
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| Stige wrote: | | Janz wrote: | | wont work, you cant run ram with different voltage, nor can you run the 1,65v sticks at 1,5 or the 1,5 at 1,65 (well the second would work, for a few minutes to hours...) |
Wrong.
You can just overclock the RAM at less voltage no problems, the difference is minimal. |
naah, wont work. his xms need the 1.65v to work properly at 1600mhz and 1.65v is too much for the 1.5v sticks. intel allows +5% for the controller inside the cpu which is 1,575v. actually manufactures used the 1,65v to get rid of bad chips which cant deliver that speed at the standard voltage. if you are lucky they can be undervoltet run with 1,5v at that speed, but without testing it for a few hours with memtest i wouldnt use. but runnig the 1,5v sticks @ 1,65 isnt a good thing to do
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| Posted: Sun, 25th Mar 2018 12:08 Post subject: |
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1.65V is not any problem for Haswell memory controller, not sure what you are talking about here Janz.
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| Posted: Sun, 25th Mar 2018 12:19 Post subject: |
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Stige
Posts: 3544
Location: Finland
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| Posted: Sun, 25th Mar 2018 12:25 Post subject: |
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| Janz wrote: | | i never said it is |
You implied there will be issues though and it wouldn't work for whatever reason.
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| Posted: Sun, 25th Mar 2018 12:26 Post subject: |
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The corsair/crucial memory itself can take up to 2.0V before its dangerous, so why it is not good idea to run 1.5V sticks at 1.65V since memory controller can handle it?
Last edited by Breezer_ on Sun, 25th Mar 2018 12:33; edited 1 time in total
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| Posted: Sun, 25th Mar 2018 12:32 Post subject: |
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| Stige wrote: | | Janz wrote: | | i never said it is |
You implied there will be issues though and it wouldn't work for whatever reason. |
i was speaking about the TOPIC -> mixing 1,5v and 1,65v sticks
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| Posted: Sun, 25th Mar 2018 12:36 Post subject: |
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Bigger problem here is mixing different manufacturer and different size of sticks, this can be very motherboard depentant, but voltage and latencies can be easily tweaked.
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_SiN_
Megatron
Posts: 12108
Location: Cybertron
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| Posted: Sun, 25th Mar 2018 12:43 Post subject: |
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Thanks for the replied guys, I'll do some testing today. Used the computer without any issue all day yesterday, both with heavy Photoshop use and gaming, so even though something is up with the half memory thing, they at least work.
Watercooled 5950X | AORUS Master X570 | Asus RTX 3090 TUF Gaming OC | 64Gb RAM | 1Tb 970 Evo Plus + 2Tb 660p | etc etc
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| Posted: Sun, 25th Mar 2018 12:49 Post subject: |
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have you tested the xms without the others present? would try that
aaaaaaaaand maybe they are just 2gb sticks? some kits were sold as 4gb kit (so 2x2gb) with labels on the sticks saying 4gb, but that implied that they were from that kit and not that every stick has 4gb (kinda a case of false marketing if sold seperate)
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