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1t vs. 2t for 4 module system - Page 2

post #11 of 29
I've had my memory at 1T since July 11th, the day I put my Sandy Bridge parts in.

Here's why I used 1T:




This is mine. The SPD area in the UEFI says 9-10-9-28-2T. So of course, which do you think I'd rather go with?

I recently tried 9-10-9-28-2T for a long time and I felt no difference. However I like SEEING "1T", so I put it back to 1T.

1T is safe.
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post #12 of 29
Quote:
Originally Posted by kevindd992002 View Post
So that means 1T is potentially dangerous?
1T is simply better, and faster. However, you need ram that's capable... Simple as that.

At your current speeds, it may not be. You could lower the frequency, and possibly get the 1T stable, but then your starting to play cat and mouse and end up with the same results in the long run. If your ram shipped at those frequencies and timings, with 2T, odds are they probably won't run 1T at the same settings. That's a typical thing, but if the binning is there, and with the right voltage, you'll be ok.
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post #13 of 29
Thread Starter 
Quote:
Originally Posted by TwoCables View Post
I've had my memory at 1T since July 11th, the day I put my Sandy Bridge parts in.

Here's why I used 1T:




This is mine. The SPD area in the UEFI says 9-10-9-28-2T. So of course, which do you think I'd rather go with?

I recently tried 9-10-9-28-2T for a long time and I felt no difference. However I like SEEING "1T", so I put it back to 1T.

1T is safe.
Same as mine, in UEFI it says 2T but in CPUZ it's 1T. I guess 1T is safe then
post #14 of 29
Quote:
Originally Posted by kevindd992002 View Post
Same as mine, in UEFI it says 2T but in CPUZ it's 1T. I guess 1T is safe then
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post #15 of 29
Quote:
Originally Posted by kevindd992002 View Post
Same as mine, in UEFI it says 2T but in CPUZ it's 1T. I guess 1T is safe then
If you still have both of those 2x2GB kits in your system, then there is a chance that 1T will not be stable using 8-8-8-24. In such a case, you would stick with 2T which is just as good since you would probably have to loosen the timings from 8-8-8-24 to like 9-9-9-28 or even 9-11-9-29 like my memory.
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
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post #16 of 29
Thread Starter 
I actually tried running the latest version of Memtest86 while using the 4x2GB modules at 8-8-8-24 1T 1600MHz. After about 12hrs. when I got home, the Memtest86 interface had jumbled characters all over the screen but there was a note there that it completed without errors. So I don't know if that's a bug of Memtest86 or I just have an error in my modules.
post #17 of 29
Quote:
Originally Posted by kevindd992002 View Post
I actually tried running the latest version of Memtest86 while using the 4x2GB modules at 8-8-8-24 1T 1600MHz. After about 12hrs. when I got home, the Memtest86 interface had jumbled characters all over the screen but there was a note there that it completed without errors. So I don't know if that's a bug of Memtest86 or I just have an error in my modules.
While Memtest is not a stress test per se, this does mean that the timings need to be loosened. Perhaps it's time to try 9-9-9-28-1T.
It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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post #18 of 29
Thread Starter 
Quote:
Originally Posted by TwoCables View Post
While Memtest is not a stress test per se, this does mean that the timings need to be loosened. Perhaps it's time to try 9-9-9-28-1T.
Even though it says no errors?

What is the stress test used for RAM stability?
post #19 of 29
Quote:
Originally Posted by kevindd992002 View Post
Even though it says no errors?

What is the stress test used for RAM stability?
Prime95's Blend is sufficient for that believe it or not.

How does Windows seem to be doing with this memory at 8-8-8-24-1T 1600MHz?
It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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post #20 of 29
Thread Starter 
Quote:
Originally Posted by TwoCables View Post
Prime95's Blend is sufficient for that believe it or not.

How does Windows seem to be doing with this memory at 8-8-8-24-1T 1600MHz?
Oh ok. I haven't tried with Prime95 Blend test yet.

Well, it does pass POST and boot to Windows properly. Haven't had any hickups since I changed them to those CAS8 timings.
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