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[Official] ASUS sabertooth AMD Owners Club - Page 348

Poll Results: whats your choice for 990fx

Poll expired: Jul 11, 2011  
  • 0% (1)
    Asus M5A97evo
  • 0% (1)
    Asus M5A99Xevo
  • 49% (58)
    Asus Sabertooth 990fx
  • 31% (37)
    Asus Crosshair V Formula / Thunderbolt
  • 0% (1)
    Biostar TA-990FXE
  • 12% (15)
    Gigabyte GA-990FXA-UD7
  • 4% (5)
    MSI 990FXA-GD80
118 Total Votes  
post #3471 of 7859
what dopes 1t/2t do in the bios?? on the sabertooth
post #3472 of 7859
Quote:
Originally Posted by lastguytom View Post

what dopes 1t/2t do in the bios?? on the sabertooth

1T means it takes 1 clock cycle, vs. 2T where it takes 2 clock cycles.

Command Rate: Also called CPC (Command Per Clock). The amount of time in cycles when the chip select is executed and the commands can be issued. The lower (1T) performs faster, but 2T is used to maintain system stability in most cases.

In short, in can increase memory performance at the cost of stability as it is pushing things every 1 cycle instead of 2.

Edit: note, not all ram can do low timings AND 1t AND high speed, usually you go with speed+ok timings and might get away with 1t, or you may go low speed but aggressive timings with 1t for the overall most bandwidth and latency reduction you can manage. eg. 1600@7-8-7-20-1t will beat the snot out of 2133@11-11-11-30-2t performance wise on the 83xx's IMC.
Edited by endevite - 11/11/12 at 5:12pm
post #3473 of 7859
Quote:
Originally Posted by endevite View Post

1T means it takes 1 clock cycle, vs. 2T where it takes 2 clock cycles.
Command Rate: Also called CPC (Command Per Clock). The amount of time in cycles when the chip select is executed and the commands can be issued. The lower (1T) performs faster, but 2T is used to maintain system stability in most cases.
In short, in can increase memory performance at the cost of stability as it is pushing things every 1 cycle instead of 2.
Edit: note, not all ram can do low timings AND 1t AND high speed, usually you go with speed+ok timings and might get away with 1t, or you may go low speed but aggressive timings with 1t for the overall most bandwidth and latency reduction you can manage. eg. 1600@7-8-7-20-1t will beat the snot out of 2133@11-11-11-30-2t performance wise on the 83xx's IMC.
I have mine set at 1600 @ 8-8-8-20-1T on 1.3v with Samsung's Green 30NM DDR3. I think its really a sweet spot for this brand of memory, because anything lower takes tons of volts.
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post #3474 of 7859
@warmonger and @endivite its amazing how much faster response is with lower settings and tighter timings. Great discussion.
Warmonger with that samsung memory ( I have some still in the pkg i got a while back on sale )
did you add heat spreaders or cool the memory in any way to get to that point?

I have a tendency to get faster memory for future capablility but underclock them and from the looks of things i have a way to go.thumb.gif

I have a tendency to not overlcok as much as i could thinkng i will be more stable. But truthfully i think i leave a lot on the table and once i feel comfortable with a mild overclock ill start diving into this area more throughly.
Thanks again for the posts everyone.
sunset1
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AMD K15 FM2A85X Extreme6 AMD Radeon HD 7660D + 6670 Dual Graphics 
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Mushkin 2133 Mushkin 2133 Mushkin 2133 Mushkin 2133 
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wd black 1 terra wd black 1 terra corsair 256gig ssd external usb3 wd 3 terra 
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MonitorKeyboardPowerCase
samsung T260 25" ms gamer  Seasonic 750x gold Coolermaster Haf 22 Modified 
MouseMouse PadAudioAudio
Logitech MX-518 Duh this is nonsence. belkin onboard but will install sb titanium logitech 5.1 thx 
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post #3475 of 7859
Quote:
Originally Posted by sunset1 View Post

@warmonger and @endivite its amazing how much faster response is with lower settings and tighter timings. Great discussion.
Warmonger with that samsung memory ( I have some still in the pkg i got a while back on sale )
did you add heat spreaders or cool the memory in any way to get to that point?
I have a tendency to get faster memory for future capablility but underclock them and from the looks of things i have a way to go.thumb.gif
I have a tendency to not overlcok as much as i could thinkng i will be more stable. But truthfully i think i leave a lot on the table and once i feel comfortable with a mild overclock ill start diving into this area more throughly.
Thanks again for the posts everyone.
sunset1
No heat spreaders, they are barely warm to the touch. They are suppose to run 11-11-11-28 @ 1.35v but for me 8-8-8-20 was achieved at 1.30v. No clue why Samsung set high timings on them by default, clearly they can do way better at even less volts. You need to push above 1.60v to get them below 7-7-7-X @ 1600 MHz tho, which isn't worth it in my opinion. 8-8-8-20 @ 1600 MHz @ 1.30v is the sweet spot for the 4GB kit. I rather them run nice and cool at low volts, saving me money and extending the life span (even tho pushing 1.65v through them they will still last 2+ years). These sticks aren't famous for low timings, their famous for how well they overclock while maintaining low timings. I have seen people pushing 2133 MHz @ 9-9-9-24 @ 1.50v with these. Which blows even some of the best, high cost memory out of the water. At 1.50v they still run warm, not even worth the extra $15 to put heat spreaders on them (from what I see no one with these sticks use heat spreaders). Especially with the sticks being low profile like they are, they keep their distance from any bulky heatsink you might have that throws heat. I'm sure your familiar with how low profile they are, I can tell you tho once installed into the motherboard. They don't stick up any higher then the white tabs at either end of the dimm slot, its almost like they are not even there. They probably can do your normal 1600MHz DDR3 timings of 9-9-9-24 @ 1.20v, I just never bothered with underclocking them. My only question is, why are they still sitting in the package? biggrin.gif
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post #3476 of 7859
:> good point. I have to take meds from a old injury and some are too strong to work on computer with. So when im down i keep track of the sales and get hardware slowly to do a buiild..
The reason i asked is that these have small chips on them and like you said a short pcb.
I havent even seen heat spreaders for them. I was shocked when i read the specs like 1.2 or 1.25 volts. I got into modding the clc coolers and went on a tangent for a while. Now im back looking at the hardwae deals i have putting machines together to upgrade family boxes.
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wd black 1 terra wd black 1 terra corsair 256gig ssd external usb3 wd 3 terra 
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blu-ray burner Thermaltake water 2.0 Extreme (cpu) Thermaltake water 2.0 pro 2gpu 1clc with corsai... windows7 home pro 
MonitorKeyboardPowerCase
samsung T260 25" ms gamer  Seasonic 750x gold Coolermaster Haf 22 Modified 
MouseMouse PadAudioAudio
Logitech MX-518 Duh this is nonsence. belkin onboard but will install sb titanium logitech 5.1 thx 
CPUMotherboardGraphics
AMD K15 FM2A85X Extreme6 AMD Radeon HD 7660D + 6670 Dual Graphics 
CPUMotherboardGraphicsGraphics
AMD FX-8120 SABERTOOTH 990FX AMD Radeon HD 6950 AMD Radeon HD 6950 
RAMRAMRAMRAM
Mushkin 2133 Mushkin 2133 Mushkin 2133 Mushkin 2133 
Hard DriveHard DriveHard DriveHard Drive
wd black 1 terra wd black 1 terra corsair 256gig ssd external usb3 wd 3 terra 
Optical DriveCoolingCoolingOS
blu-ray burner Thermaltake water 2.0 Extreme (cpu) Thermaltake water 2.0 pro 2gpu 1clc with corsai... windows7 home pro 
MonitorKeyboardPowerCase
samsung T260 25" ms gamer  Seasonic 750x gold Coolermaster Haf 22 Modified 
MouseMouse PadAudioAudio
Logitech MX-518 Duh this is nonsence. belkin onboard but will install sb titanium logitech 5.1 thx 
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AMD FX-8120 SABERTOOTH 990FX AMD Radeon HD 6950 AMD Radeon HD 6950 
RAMRAMRAMRAM
Mushkin 2133 Mushkin 2133 Mushkin 2133 Mushkin 2133 
Hard DriveHard DriveHard DriveHard Drive
wd black 1 terra wd black 1 terra corsair 256gig ssd external usb3 wd 3 terra 
Optical DriveCoolingCoolingOS
blu-ray burner Thermaltake water 2.0 Extreme (cpu) Thermaltake water 2.0 pro 2gpu 1clc with corsai... windows7 home pro 
MonitorKeyboardPowerCase
samsung T260 25" ms gamer  Seasonic 750x gold Coolermaster Haf 22 Modified 
MouseMouse PadAudioAudio
Logitech MX-518 Duh this is nonsence. belkin onboard but will install sb titanium logitech 5.1 thx 
CPUMotherboardGraphics
AMD K15 FM2A85X Extreme6 AMD Radeon HD 7660D + 6670 Dual Graphics 
CPUMotherboardGraphicsGraphics
AMD FX-8120 SABERTOOTH 990FX AMD Radeon HD 6950 AMD Radeon HD 6950 
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Mushkin 2133 Mushkin 2133 Mushkin 2133 Mushkin 2133 
Hard DriveHard DriveHard DriveHard Drive
wd black 1 terra wd black 1 terra corsair 256gig ssd external usb3 wd 3 terra 
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blu-ray burner Thermaltake water 2.0 Extreme (cpu) Thermaltake water 2.0 pro 2gpu 1clc with corsai... windows7 home pro 
MonitorKeyboardPowerCase
samsung T260 25" ms gamer  Seasonic 750x gold Coolermaster Haf 22 Modified 
MouseMouse PadAudioAudio
Logitech MX-518 Duh this is nonsence. belkin onboard but will install sb titanium logitech 5.1 thx 
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post #3477 of 7859
Quote:
Originally Posted by sunset1 View Post

:> good point. I have to take meds from a old injury and some are too strong to work on computer with. So when im down i keep track of the sales and get hardware slowly to do a buiild..
The reason i asked is that these have small chips on them and like you said a short pcb.
I havent even seen heat spreaders for them. I was shocked when i read the specs like 1.2 or 1.25 volts. I got into modding the clc coolers and went on a tangent for a while. Now im back looking at the hardwae deals i have putting machines together to upgrade family boxes.
Yea these 30NM chips are really tiny, the PCB like said is no taller then the dimm slot itself. Attaching normal size heat spreaders to them is possible, but is kinda weird having full height spreaders on such a short PCB. The only downside to these sticks if you can only buy them in 4GB and 8GB packs. The power consumption of the current manufacturing process doesn't allow for any bigger, since you would exceed 1.35v running enough of these chips to make a 8GB stick. Tho Samsung is working on its 20NM manufacturing process, that I believe are suppose to come in 4GB (2x2), 8GB (2x4), and 16GB (2x8) packages. They are also suppose to run at the rated 1.35v of the current 30NM, but consume 3.2W for a single 4GB stick compared to the 4.0W for a 30NM 2GB stick. They also are suppose to come in only 1600 MHz speeds, which isn't a problem since current 30NM sticks will do 2133 MHz overclocked. I imagine the 20NM sticks will do that just as easy if not easier.
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Samsung 830 128GB (Pending) ASUS DRW-24B1ST Stock Windows 8 Enterprise x64 
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Logitech Classic 200 300w Hipro a1410n HP 1000 DPI 
Mouse PadAudio
Standard Realtek ALC662 
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AMD Sempron 3000+ ASUS A7V8X-LA VIA KM400A 2GB DDR 333 
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post #3478 of 7859
Quote:
Originally Posted by Warmonger View Post

Yea these 30NM chips are really tiny, the PCB like said is no taller then the dimm slot itself. Attaching normal size heat spreaders to them is possible, but is kinda weird having full height spreaders on such a short PCB. The only downside to these sticks if you can only buy them in 4GB and 8GB packs. The power consumption of the current manufacturing process doesn't allow for any bigger, since you would exceed 1.35v running enough of these chips to make a 8GB stick. Tho Samsung is working on its 20NM manufacturing process, that I believe are suppose to come in 4GB (2x2), 8GB (2x4), and 16GB (2x8) packages. They are also suppose to run at the rated 1.35v of the current 30NM, but consume 3.2W for a single 4GB stick compared to the 4.0W for a 30NM 2GB stick. They also are suppose to come in only 1600 MHz speeds, which isn't a problem since current 30NM sticks will do 2133 MHz overclocked. I imagine the 20NM sticks will do that just as easy if not easier.

From what I understand they are already and have been in production and should be on the market by end of year.

Here is a link showing they will indeed be doing 8gb sticks in unbuffered/unbuffered ECC as well as up 32gb registered sticks for server platforms.
http://www.samsung.com/global/business/semiconductor/file/media/Green_DRAM-0.pdf
post #3479 of 7859
Does anyone else have a really annoying lag upon windows load? Where it shows the desktop but you can't open anything for a good 30-45 seconds then it will load gadgets and programs. I seem to recall someone mentioning it being Asus suite(wouldn't surprise me), its REALLY annoying
post #3480 of 7859
Quote:
Originally Posted by Solders18 View Post

Does anyone else have a really annoying lag upon windows load? Where it shows the desktop but you can't open anything for a good 30-45 seconds then it will load gadgets and programs. I seem to recall someone mentioning it being Asus suite(wouldn't surprise me), its REALLY annoying

Asus suite does cause a delay, but if you really want to kill all that boot lag, put your os on an ssd.

Note: if you even rock a modern antivirus and have a fully updated win7 or so, mechanicals just can't really keep up with all the file calls at boot anymore, not even the best access level defragged mechanicals can manage decent boot times anymore.
Edited by endevite - 11/12/12 at 1:52am
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