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post #621 of 2415
Quote:
Originally Posted by Oj010 View Post

Not so much a scam as the heatspreaders are there for looks. There's a reason all the RAM records are set with baked RAM, and that's because the thermal tape actually stops the RAM from being cooled as efficiently as if it were bare.

I've removed the heatspreaders from too many sets of RAM to count, and without fail they all offered a few extra MHz (air cooled with a fan blowing straight over them). My BH-5 that did SuperPi at 290 MHz 2-2-2-5 only managed 285 MHz with the heatspreaders in place, the last 5 MHz came from running them bare.

That's really interesting actually but I'm skeptical, to be honest. I will try it as well when I can.
post #622 of 2415
Quote:
Originally Posted by pietro sk View Post


my mems, under load, no coolers or fans.
so those ddr4 can fail wtihout cooling (?)

I don't doubt they won't fail but they look pretty much bog standard low end for servers with ECC; 1333Mhz, no? What about 3200 with no ECC?

http://www.newegg.com/Product/Product.aspx?Item=N82E16820239719
Edited by TheBloodEagle - 9/25/16 at 11:30pm
post #623 of 2415
Quote:
Originally Posted by TheBloodEagle View Post

I don't doubt they won't fail but they look pretty much bog standard low end for servers with ECC; 1333Mhz, no? What about 3200 with no ECC?

http://www.newegg.com/Product/Product.aspx?Item=N82E16820239719

I can show my overclocked RAM sticks running DDR-3200 with no heatspreaders at all if you really care so much about proven completely wrong. Each chip only dissipates 1w absolute tops. Not sure why you think they would get extremely hot and die. This info about RAM heatspreaders being aesthetic only has been out there for a LONG time. The only time I have ever seen them matter was all the way back in the DDR1 days and some very early DDR2 being pushed to extreme voltages.
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post #624 of 2415
Quote:
With the release of Summit Ridge Series (pending ZEN) processors we already learned that AMD is moving towards socket AM4, but to be able to put such a processors in that socket, you probably want a chipset to support it. New slides now show a bit more detail AMD X370, B350 and A320 chipsets.

Socket AM4 mainly will bring ZEN processors support for course, but also will evolve the PC infrastructure towards DDR4, NVMe M2 and USB 3.1 Gen 2 and sure, PCI Express 3.0 platform support. As stated you will mainly see three series chipsets as spotted on slides from planet3dnow:

AMD X370 Chipset (High-End)

So the most high-end chipset will be the X370 with that X for Extreme. This chipset will support Multi-GPU rendering (Crossfire and SLI) with two full x16 PCI Express slots (Gen 3.0). The chipset will support overclocking. Basically this is the chipset series you and yours truly will be after once Zen releases and yes you can expect a dandy overclocking software suite.

AMD B350 Chipset (Mainstream)

If it has a B in the naming schema, you should think mainstream and that B for Business. A more generalized chipset that offers full performance, yet less tweaking options and often less PCI-Express lanes available, the mainstream series. For B350 some specs already have leaked, next tot the 8x Gen 3 PCI-Express lanes, it'll add/hook another 6 Gen 2 lanes through the chipset and will offer a wide varyity of USB connectivity. This motherboard series will offer 2 channel DDR4 memory we assume up-to 2400 MHz.




AMD A320 Chipset (SSF/Budget)

Then there is the A320 and A300 series. These are intended for value, budget and small form factor products. This chipset will offer 4 PCI-e Gen 2 lanes with 1+2+6 (USB 3.1 Gen2, USB 3.1 Gen1, USB 2.0) support. A300 should be the chipset for SSF computers (like tiny home theater builds etc).

And with this round of chipsets AMD is to offer a complete range and line from top to bottom in the desktop PC segment, they are ready for ZEN alright.

Have a peek at the new slides, click the thumbnails below.

http://www.guru3d.com/news-story/amd-to-offer-x370b350-and-a320-socket-am4-chipsets.html
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post #625 of 2415
This makes me wonder, where do all those PCIe lanes that feed the GPU(s) come from - directly from the CPU, or from the chipset? Can't remember if there's any information available so far on that.
post #626 of 2415
Quote:
Originally Posted by cmpxchg8b View Post

This makes me wonder, where do all those PCIe lanes that feed the GPU(s) come from - directly from the CPU, or from the chipset? Can't remember if there's any information available so far on that.

All lanes come from the CPU at some point. Most chipsets take in about 4 lanes and then multiply them to go to various IO and drives. The old AMD boards had a northbridge and southbridge and the NB actually provided the PCI-E lanes and now the lanes come from the CPU. However, it sounds like in the X370 description that it is sending all lanes from the CPU to the chipset and the chipset multiplies and provides two full x16 PCI-E slots. But then the B350 sounds like the CPU is providing x8 slot and the chipset only multiplies that out into 6 more PCI-E gen 2 lanes. So it is kinda weird and to me seems contradicting descriptions of how things function. I thought we already knew the new Zen CPUs would not offer more than 24 PCI-E lanes from the processor itself, so it would seem impossible for the CPU to ever have two full x16 lanes without having either the chipset itself or a PLX chip giving the additional lanes. Either way, the description of the X370 should be clarified to match how the B and A series chipsets are depicted.
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post #627 of 2415
I don't think anyone or anything explicitly said how many lanes Summit Ridge would have. The most we have are rumors. Which were 64 lanes (early this year) and Naples 32 core will have 128 lanes (couple months ago), which is just 4 modular Zen 8 cores stacked on a single die, so divide by 4, you get 32 lanes. Someone was asking if it would handle 20 like the Intel chips, which I would safely assume is bare minimum, 32 would be my best guess, 64 would be best case.

Just my cents on the matter though.
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post #628 of 2415
16 lanes was the exact number for the zen octo core which most enthusiast are looking forward to. I probably read it on wccftech so take that with a grain of salt.
post #629 of 2415
post #630 of 2415
Quote:
Originally Posted by EniGma1987 View Post

I can show my overclocked RAM sticks running DDR-3200 with no heatspreaders at all if you really care so much about proven completely wrong. Each chip only dissipates 1w absolute tops. Not sure why you think they would get extremely hot and die.

Yeah, please do with some stress tests / memtests as well. I want to know; genially curious about how close they get to the JEDEC max temps. I didn't say they'd die, did I? Quote me. I'm more interested in soft errors and possible hard errors.
Edited by TheBloodEagle - 9/28/16 at 11:54pm
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