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Manually Setting Timings to the Manufactures Specifications

post #1 of 4
Thread Starter 
Presently my memory is set to auto and I would like to do it manually starting with the timings given by the manufacturer which is 9-9-9-24-2N CAS LATENCY 9.

In my BIOS it gives me:

tCL = 10 (Which I assume should be 9)

tRCD = 10 (I assume should be 9)

tRP = 10 (I assume should be 9)

tRAS = 28 (I assume should be 24)

Then it also shows a bunch of stuff that isn’t in the ram manufactures specifications:

tRFC = 80

tWR = 12

tWTR = 6

tRRD = 4

tRTP = 6

1T/2T Timing = 2T

Do I just set the first four and ignore the rest or do I need to change the lower ones as well?
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c04
(11 items)
 
c02
(15 items)
 
 
CPUMotherboardGraphicsRAM
i7-950 Area 51 X58 EVGA GeForce GTX 980 4GB G.SKILL 12GB DDR3 1600 
Hard DriveOptical DriveCoolingOS
Crucial M500 240GB SSD External Sony DVD Corsair H110 Windows 7 64bit 
MonitorPowerCase
LG 34UM64-P 34” Widescreen  Corsair 650-Watt HSPC Tech Station 
CPUMotherboardGraphicsRAM
Phenom II X4 955 BE Gigabyte GA-790XTA-UD4 ATI HD 5850 1GB  G.SKILL 4GB DDR3 1600 
Hard DriveHard DriveOptical DriveCooling
Western Digital 320GB HDD Seagate 600 Series 240GB SSD External Sony DVD Asetek 510LC + 2200RPM Push Pull Yate Loons 
OSMonitorPower
Windows 7 64bit & Linux Mint 16 64bit Samsung 2493 1920 x 1200 Corsair 750W CMPSU-750T 
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post #2 of 4
what RAM do you have? If we have make and model, we might be able to dig up the rest of the specs for you.

But setting the 9-9-9-24 and leaving the rest should work, since it seems to be running them slower than they are capable of. Also remember the timings are related to the RAM speed, if they're running at faster MHz that the spec, they'd need looser timings.
post #3 of 4
Thread Starter 
Quote:
Originally Posted by latelesley View Post

what RAM do you have? If we have make and model, we might be able to dig up the rest of the specs for you.

But setting the 9-9-9-24 and leaving the rest should work, since it seems to be running them slower than they are capable of. Also remember the timings are related to the RAM speed, if they're running at faster MHz that the spec, they'd need looser timings.

Here is a link to the memory specs.

http://www.gskill.com/en/finder?cat=31&prop_4=9-9-9-24-2N&prop_1=0&series=263&prop_2=12GB+%284GBx3%29&prop_6=Triple+Channel+Kit&prop_3=1600MHz
c04
(11 items)
 
c02
(15 items)
 
 
CPUMotherboardGraphicsRAM
i7-950 Area 51 X58 EVGA GeForce GTX 980 4GB G.SKILL 12GB DDR3 1600 
Hard DriveOptical DriveCoolingOS
Crucial M500 240GB SSD External Sony DVD Corsair H110 Windows 7 64bit 
MonitorPowerCase
LG 34UM64-P 34” Widescreen  Corsair 650-Watt HSPC Tech Station 
CPUMotherboardGraphicsRAM
Phenom II X4 955 BE Gigabyte GA-790XTA-UD4 ATI HD 5850 1GB  G.SKILL 4GB DDR3 1600 
Hard DriveHard DriveOptical DriveCooling
Western Digital 320GB HDD Seagate 600 Series 240GB SSD External Sony DVD Asetek 510LC + 2200RPM Push Pull Yate Loons 
OSMonitorPower
Windows 7 64bit & Linux Mint 16 64bit Samsung 2493 1920 x 1200 Corsair 750W CMPSU-750T 
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c04
(11 items)
 
c02
(15 items)
 
 
CPUMotherboardGraphicsRAM
i7-950 Area 51 X58 EVGA GeForce GTX 980 4GB G.SKILL 12GB DDR3 1600 
Hard DriveOptical DriveCoolingOS
Crucial M500 240GB SSD External Sony DVD Corsair H110 Windows 7 64bit 
MonitorPowerCase
LG 34UM64-P 34” Widescreen  Corsair 650-Watt HSPC Tech Station 
CPUMotherboardGraphicsRAM
Phenom II X4 955 BE Gigabyte GA-790XTA-UD4 ATI HD 5850 1GB  G.SKILL 4GB DDR3 1600 
Hard DriveHard DriveOptical DriveCooling
Western Digital 320GB HDD Seagate 600 Series 240GB SSD External Sony DVD Asetek 510LC + 2200RPM Push Pull Yate Loons 
OSMonitorPower
Windows 7 64bit & Linux Mint 16 64bit Samsung 2493 1920 x 1200 Corsair 750W CMPSU-750T 
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post #4 of 4
Quote:
Originally Posted by LMP View Post

Quote:
Originally Posted by latelesley View Post

what RAM do you have? If we have make and model, we might be able to dig up the rest of the specs for you.

But setting the 9-9-9-24 and leaving the rest should work, since it seems to be running them slower than they are capable of. Also remember the timings are related to the RAM speed, if they're running at faster MHz that the spec, they'd need looser timings.

Here is a link to the memory specs.

http://www.gskill.com/en/finder?cat=31&prop_4=9-9-9-24-2N&prop_1=0&series=263&prop_2=12GB+%284GBx3%29&prop_6=Triple+Channel+Kit&prop_3=1600MHz

frown.gif their specs are crap! No datasheet, no full breakdown of specs. frown.gif

Anyway, most guides for RAM overclocking seem to say the 4 timings you're playing with are the main ones, so you should be ok just leaving the rest.

http://www.ocfreaks.com/ram-overclocking-guide-tutorial/
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