Two Different Types Of RAM Please Help!

ayaotd

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Feb 5, 2015
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I want to upgrade the amount of memory my computer has. My computer currently has 4 RAM slots. 2 of them are filled with: GSKILL Sniper F3-12800CL9D-8GBSR ddr3-1600 1.5 v.
The guy at the computer store told me the GSkill RiphawksX should be able to go into the other two spots.
F3-2133C10D-8GXM
PC3-17000 1.6 V
I can not get the second set of RAM to work. When I put them in my computer does not boot up properly and my monitor will not register any image. Is there any solution to this. I am extremely disappointed as I was told I should be able to get them to work with my previous ram.

These are my systems specs:AMD Phenom (tm) II X4 965 Processor 3.40 GHz
8.00 GB
64-bit operating system
ATI RADEON HD 4250

Thank you,
Travis
 

Dizzario

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Sep 1, 2014
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Travis,

Without any information about what type of computer you actually have I am guessing that the computer is detecting one or the other types of ram SPD (http://en.wikipedia.org/wiki/Serial_presence_detect) and trying to set the settings to one which are not compatible with the other memory modules.

To test this, remove the memory you originally owned and leave the new ram in the system and see if it powers on. Again since you did not list your motherboard or any information about the system its hard to advise you but generally with 4 ram slots you will notice 2 are close together, then a small gap and 2 more ram slots. or they might be colored, this is to help determine which 2 slots are for ram channel A and which are for Channel B. There is a good image of what I am talking about here: http://en.wikipedia.org/wiki/Multi-channel_memory_architecture When you put memory into the computer you want 1 Stick of the same type in Channel A and the other similar stick in the same slot on Channel B. i.e. Memory type 1 first stick would be in A_1 and the 2nd would be in B_1, and then 2nd memory types first stick would be in A_2 and the 2nd stick in B_2.

If the system powers on with only the new memory we know the memory works and the motherboard will most likely work with the ram. Now you just need to figure out how to get into the motherboards BIOS and set the memory settings (frequency/CAS/voltage) manually to the slower set of memory you originally owned.
 

Dizzario

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If the new memory works in the motherboard by itself you probably just need to set the ram settings manually like I recommended. WARNING:If you are not comfortable with BIOS settings or understand what frequency/CAS/voltage settings you need to set for the old ram I would recommend you find someone who is as you can pretty easily cause the computer to not boot without clearing its BIOS settings with the following information, or worse yet damage it:

In section 3.5.4 of your motherboard manual is where you can start finding the settings that you may need to adjust for all of the ram to work together:
http://dlcdnet.asus.com/pub/ASUS/mb/socketAM3/M4A88TD-V-EVO-USB3/E5888_M4A88TD-V-EVO-USB3_V2.zip
it continues on in section 3.5.9 where you can set the CAS settings for the slower ram manually. After that just adjust the voltage settings in section 3.5.13, you might need to run something between the 1.5v of the old and 1.6v of the new ram, but unlikely since the new ram will essentially be underclocked.
 
Thank you!

According to G.Skill, for the M4A88TDV-EVO motherboard, the F3-2133C10D-8GXM memory is not listed on compatible memory search results at G.Skill. However, this doesn't necessarily mean the memory is incompatible, it may be that this particular memory has yet to be tested with the motherboard.

Could try setting memory voltage and timings manually in BIOS to something like: DRAM voltage 1.5V, timings: 9-9-9-24 2T as a start.
 

ayaotd

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Feb 5, 2015
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It currently does not work on its own without tweaking BIoS or any other setting. What should I do first to try putting the Ripjawsx in and have them work?
 

Dizzario

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I would go into the BIOS and manually set all of the following information:

Speed 1600MHz
CAS Latency 9-9-9-24-2N
Voltage 1.55v (or 1.5v ideally)

So your running the newer memory at the slower memories speed settings. If it does not work by itself at these speeds I would get a refund since your underclocking it.
 

Tradesman1

Legenda in Aeternum
What CPU? and regardless, chances of mixing the two sets is slim, even dropping them to 1600 on an AMD rig. Whoever told you that they "should" be able to run was just trying to sell them, and doesn't have a clue or doesn't care. I'd return them and complain, if they are going to give advice they should have an idea of what they are talking about
 

ayaotd

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They are currently working. I am running a memory test to see if they are running efficiently. Would you recommend I go in and change BIOS settings now that I can boot up properly with all four installed?
 

ayaotd

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I will probably have to do that tomorrow. Is it okay for me to keep this thread going. Randomly my monitor has been saying out of range sometimes on start up and I have had one blue screen.