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Blue screen of death because of memory or mobo?

Last response: in Memory
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September 4, 2010 12:20:59 AM

Hello,

I made a new/first build and having a little issue. My computer works fine and dandy when I have 4gb of RAM in the (2x2gb 1333) but if I put in any more I get a BSOD either at boot or within a few mins of getting into WINDOWS. Now I was thinking my memory could be bad so I did MEMTEST86 test and all 4 2gb cards seems to be fine (ran em all for 3-7 hours with 0 errors). If I put ANY 2 of the cards it works fine but anymore is bad. I have also moved em to different RAM slots and as long as 2 or less cards are in em it works fine. Any ideas? All i can think of is that my MOBO is freaking out when more then 4gb is in (even though max it supports is 16gb). My system info is as follows. Thanks in advance!

Windows 7 Professional 64bit RC
AMD Phenom II X4 965 Black Edition Deneb 3.4GHz Socket AM3 125W Quad-Core Processor
RAIDMAX Tornado ATX-238WU Black SECC Steel ATX Mid Tower Computer Case
ASUS M4A785TD-V EVO AM3 AMD 785G HDMI ATX AMD Motherboard
A-DATA 8GB (4 x 2GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666) Dual Channel Kit Desktop Memory Model AD3U1333B2G9-DRH
Seagate Barracuda 7200.12 ST31000528AS 1TB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive
Rosewill RCR-IC001 40-in-1 USB 2.0 3.5" Internal Card Reader w/ USB port
ASUS DRW-24B1ST/BLK/B/AS Black SATA 24X DVD Burner
2x Power Color ATI 5770 1gb video card (CROSS FIRE)
COOLMAX CL-700B 700W ATX 12V v2.2 Compatible with Core i3/i5/i7 Power Supply
a b } Memory
September 4, 2010 12:31:08 AM

Welcome newcomer. First things first, you generally won't need more than 4GB of RAM, unless you're video/music editing. In most cases, people report that the extra RAM actually slows down their performance.

But to address your concern, you have to manually set the RAM specs in the BIOS. You should also set the the voltage .01v higher than what the sticker on the modules show. This is because occupying all of your DIMMs requires addtional power. Take note that the recommened voltage limit for the AM3 CPU is 1.55v.
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September 4, 2010 12:41:05 AM

Ya I understand. Its mainly that I want to be able to run Final Fantasy XIV while either surfing or using Photoshop. Thus I wanted at least 6gb. But would you happen to be familiar with my mother board? I looked everywhere and all I see is the option to change it from 1333... Im still new at this. If Not I can ask someone on the ASUS forums if they know how. Ill try what you said., Thanks a bunch!
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Related resources
a b } Memory
September 4, 2010 12:44:23 AM

check out this thread for help on your BIOS.
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September 4, 2010 12:44:25 AM

Well checked the sticker on the RAM ans no voltage info. Also looked at package and no go. SO do you recommend I set it to 1.55 then?
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a b } Memory
September 4, 2010 12:45:52 AM

Check sites like newegg or the manufacturer's website for the specs.
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September 4, 2010 1:16:43 AM

Alright should I do anything to the timing mode in BIOS? Its on Auto. All i could find similar to this was the CAS latency... which is 9. Thanks
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a b } Memory
September 4, 2010 1:29:35 AM

CAS = Column Address Strobe, which is one of the "Big 4" RAM manufacturers advertise. On the sticker of your RAM modules, you should see a series of numbers, hyphenated, what is that series?

For example: 3-3-3-9

In the BIOS, you will have to specify your RAM timing under these categories: CAS, tRCD, tRP, tRAS - You select the number that is specified on your RAM.

For example, if on the side of your RAM you see 3-3-3-9, then your RAM timings would be adjusted as CAS 3, tRCD 3, tRP 3, tRAS 9
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September 4, 2010 6:41:44 AM

Thanks. BTW I think the wattage thing worked! I have been running on the 8gb RAM for hours now and no BSOD! I changed wattage from AUTO (1.50 I think) to 1.53. ^_^
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September 4, 2010 7:15:51 AM

Never mind I take it back... It just Blue Screened on me...Do you think I should up the wattage or anything? It lasted so long! I was able to play games and everything. It just BSOD while idle on desktop. Normally It would BSOD withing 10 mins.

Also here is a pic of my RAM... i dont see numbers like what you said.

http://i36.photobucket.com/albums/e19/Odasama/IMAG0120....

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September 4, 2010 7:42:29 AM

I just put it to 1.545 and I put timing to 9-9-9-24 (Someone on newegg did those timings and his is stable) so Im hoping for the best!
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September 5, 2010 3:45:12 PM

just download the cpu-z program its free and look at the spd tab from your memmory it should state the voltage,

what works for one board may not work for another

when you did the last.
did it run longer than normal without bleuscreens?
if yes you are a step into the right direction

to test PSU i would try it with 1 vid card to see if its stable

try 3 dimms in the mainboard see if that is stable

some problems take a lot of trail and error to pinpoint
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September 5, 2010 4:12:44 PM

Well when I raised voltage from 1.53 to 1.545 it last longer before BSOD... But on CPUZ it hows voltage at 1.5 even though its set to 1.545 in BIOS.
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September 6, 2010 7:10:57 AM

OK ignore last post... it wont let me edit...

Well so far so good... Been almost 24 hours since BSOD... But I ordered a better PSU anyway just in case. I ended up getting this one.

But I got it NEW for only $65 free shipping. Way better then my cheap ass 700w coolmax...

http://www.bestbuy.com/site/Rocketfish%26%23153%3B+-+90...
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!