Hi, everyone, I need your help please.
I know this subject has been discussed countless times on this forum and other forums as well, but for my security, please let me open it one more time, for a very specific case.
Actually I just want more experienced users opinions, people who already tried this (and worked, hopefully), before doing anything stupid on my hard earned PC.
Yes, it's about mixing memory modules
This is an old PC, I love it and more importantly, I dont have the cash to replace it, so please do not tell me to buy other hardware, I know what I shoud buy if I'd have the money, but I dont, so we have to build from what we have. OK, thanks for understanding
So here is what we have:
1.) Mobo: Asus Crosshair II formula -old one, but I just love it.
2.) Processor: Athlon II X2 250 3000mhz - I just could't find anything else with low consumption
3.) memory: 2 modules of corsair xms2 cm2x2048 pc2-6400, with timing 5-5-5-18, voltage 1.8v - that is 4gb of ddr2 ram on 800mhz
4.) more memory: 2 modules of 1gb Adata Vitesta Extreme DDR2 800 mhz, cl 4-4-4-12, voltage 2.0V.
5.) supply: noname but reliable chinese 650 W power supply (it has a name, but dont ask me, it's not a corsair or anything fancy, but does the job)
6.) os: win 8.1
Goal: i woud like to increase ram to 6gb, combining the 2x2gb corsair modules with 2x1gb Adata modules
Questions:
1. does it worth it? I mean I need the more ram for playing games like rome 2 tw or other memory hungry games, but will it help in your opinion?
2. if combinig does help in performance, than what sould the memory timings and voltage be? how to set them up to gain a stable system?
my logic (and others on forums) says the whole thing should work on 5-5-5-18 on 1.8 volts. (I dont mind loosing the adata modules, but I would kill all my neighbours if the corsair xms2 would go dead.) Or should I OC the corsairs to 4-4-4 at 2.0 volts? or bring them all to a middle 1.9 volts?
3. everyone says combining the modules with different timings is NOT ADVISED, but nobody says why not? if you can manually set the timings, then why is it not advised? what can go wrong? I'm really curious about this question, because I dont really know what happens in a ram module's inner life, but I would like to understand.
4. some say it is advised to lower the freq to 667 mhz on both, that would result in a stable system. Why? (I have 667mhz samsung modules, I could use those if you advise to set up a 667mhz system.)
Well, that's all Thank you for your time in advance.
PS: forgot to mention, i plan to use them in dual mode obviously, corsairs in channel 1 (a1, b1), adata in channel 2 (a2, b2)
All modules have been excesively tested separately with memtest and all are OK. Both modue types are compatible with motherboard (they are on the vendor list)
I know this subject has been discussed countless times on this forum and other forums as well, but for my security, please let me open it one more time, for a very specific case.
Actually I just want more experienced users opinions, people who already tried this (and worked, hopefully), before doing anything stupid on my hard earned PC.
Yes, it's about mixing memory modules
This is an old PC, I love it and more importantly, I dont have the cash to replace it, so please do not tell me to buy other hardware, I know what I shoud buy if I'd have the money, but I dont, so we have to build from what we have. OK, thanks for understanding
So here is what we have:
1.) Mobo: Asus Crosshair II formula -old one, but I just love it.
2.) Processor: Athlon II X2 250 3000mhz - I just could't find anything else with low consumption
3.) memory: 2 modules of corsair xms2 cm2x2048 pc2-6400, with timing 5-5-5-18, voltage 1.8v - that is 4gb of ddr2 ram on 800mhz
4.) more memory: 2 modules of 1gb Adata Vitesta Extreme DDR2 800 mhz, cl 4-4-4-12, voltage 2.0V.
5.) supply: noname but reliable chinese 650 W power supply (it has a name, but dont ask me, it's not a corsair or anything fancy, but does the job)
6.) os: win 8.1
Goal: i woud like to increase ram to 6gb, combining the 2x2gb corsair modules with 2x1gb Adata modules
Questions:
1. does it worth it? I mean I need the more ram for playing games like rome 2 tw or other memory hungry games, but will it help in your opinion?
2. if combinig does help in performance, than what sould the memory timings and voltage be? how to set them up to gain a stable system?
my logic (and others on forums) says the whole thing should work on 5-5-5-18 on 1.8 volts. (I dont mind loosing the adata modules, but I would kill all my neighbours if the corsair xms2 would go dead.) Or should I OC the corsairs to 4-4-4 at 2.0 volts? or bring them all to a middle 1.9 volts?
3. everyone says combining the modules with different timings is NOT ADVISED, but nobody says why not? if you can manually set the timings, then why is it not advised? what can go wrong? I'm really curious about this question, because I dont really know what happens in a ram module's inner life, but I would like to understand.
4. some say it is advised to lower the freq to 667 mhz on both, that would result in a stable system. Why? (I have 667mhz samsung modules, I could use those if you advise to set up a 667mhz system.)
Well, that's all
Thank you for your time in advance.PS: forgot to mention, i plan to use them in dual mode obviously, corsairs in channel 1 (a1, b1), adata in channel 2 (a2, b2)
All modules have been excesively tested separately with memtest and all are OK. Both modue types are compatible with motherboard (they are on the vendor list)
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