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I get new memory tomorrow. I'm gonna do this... does it sound like a good idea?

post #1 of 3
Thread Starter 
I have the 4720HQ. The processor supports DDR3L 1600 by default. I get some DDR3L 2133 tomorrow and i'm going to plug it in and change the memory multiplier from 12 to 16 to get the memory speed up to DDR3L 2133. I will use all the timings that the memory says it supports at DDR3L 2133 speed. Is this just a horrible idea or what?

SPECS:
Alienware 17 r2, 240w psu, Core i7 4720HQ, HM87 Chipset, 980M, Stock laptop cooling.

laptop is elevated with a large volume below for air to flow to the vents. ambient temp is 67°F / 19.4°C or cooler.

the memory: G.SKILL Ripjaws Series 16GB (2 x 8G) 204-Pin DDR3 SO-DIMM DDR3L 2133 (PC3L 17000) Laptop Memory Model F3-2133C11D-16GRSL
Edited by openglcg - 8/7/16 at 8:25pm
post #2 of 3

You will need to set the memory to its rated voltage too.

 

Now, while this should work, don't expect it to. We have no way of knowing if this specific memory kit is truly compatible with this laptop's motherboard.

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 
Mouse PadAudioAudio
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 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
post #3 of 3
Not totally familiar with this memory, but if it has the speeds and timings present in the regular JEDEC table (speed table on the memory itself,) the processor should be able to just boot up to 2133 11-11-11-31 1.35v with no additional configuration on your behalf.

Looking into this, the memory should be able to just be automatically set by the CPU's memory controller (unless Alienware laptops prefer you to enter the details first.) The memory is also dual mode 1.35 and 1.5, so either voltage should work with Haswell likely preferring 1.5v.

I got this info from this page with a very similar memory module set: http://hw-db.com/memory/2577/g-skill-f3-2133c11d-8grsl-review
Edited by Omicron - 8/7/16 at 9:05pm
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