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ASUS P8P67 - RAM 1333 to 1600 - Need help

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March 28, 2011 3:08:02 PM

Motherboard: ASUS P8P67 Deluxe B3
CPU: i5 2500k
RAM : 12 GB
1. A-DATA XPG Gaming Series 8GB (2 x 4GB) DDR3 1600MHZ
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
2. Corsair XMS3 4GB (2x2GB) DDR3 1600MHZ
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

By default it is in AUTO and it has taken RAM frequency as 1333 instead of 1600.

When I went to the BIOS and tired to change it, it was not showing 1600 as an option. Instead 1638 or some # higher than 1600.

I chose the 1638 MHZ and system froze when I was watching a HD video. Then I had to restart. This happened twice. But if RAM frequency is set as AUTO (i.e, 1333), then everything is fine.

My questions
1. Why is ASUS BIOS not showing 1600 as an option for RAM?
2. Apart from changing the RAM frequency, do I need to change any other setting?

Thanks.

More about : asus p8p67 ram 1333 1600

a c 207 Ĉ ASUS
a c 717 V Motherboard
March 28, 2011 3:16:27 PM

ANS 1 - Mix-Matched RAM
ANS 2 - Don't use Mix-Matched RAM

Please provide links for the 2 sets as above.

Q - How long ago did you purchase 1. A-DATA, 2. Corsair ; reason one needs to be sent back.
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March 28, 2011 3:29:24 PM

I bought all the parts recently... 4 weeks back.
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Related resources
a c 207 Ĉ ASUS
a c 717 V Motherboard
March 28, 2011 4:00:49 PM

8 GB 1600 MHz 9-9-9-24 @ 1.55V - 1.75V
4 GB 1600 MHz 9-9-9-24 @ 1.65V
==========================
12GB 1600 MHz 9-9-9-24 @ 1.65V

First off the P67 'can' run 1.65v BUT the SB IMC works better on 1.50v DDR3, the CPU is more efficient. You 'should' get these to work 'if' you manually set everything on the BIOS, but it wouldn't be anything that I would do.

First install as listed below, if it fails then increase the DRAM Voltage to 1.68v {closet value} but if it fails again then play musical positions with 2GB & 4GB sticks to rule-out an INIT failure.

Installation:
CPU: | 2GB | 4GB | 2GB | 4GB |
{failure}
CPU: | 4GB | 2GB | 4GB | 2GB |

BIOS:
AI OC Tuner -> Auto
Memory Frequency -> DDR3-1600MHz
DRAM Timing Control /Enter
DRAM CAS# Latency -> 9
DRAM RAS# to CAS# Delay -> 9
DRAM RAS# PRE Time -> 9
DRAM RAS# ACT Time
-
DRAM Timing Mode -> 2N

DRAM Voltage 1.65v~1.68v {closets values}

Save & Exit

In addition to Frequency, CAS Timing, and Voltage -- you also want the same IC and by using different 'Types' or 'Series' or 'Brands' this will not b the case.

IF the RAM is stable then run at least 4-Passes or more of Memtest86+. Create a bootable Memtest CD/DVD using the {ISO/zip} file then burn -> http://www.memtest.org/

I like Corsair, but the G.SKILL Ripjaws X series seems to be an excellent choice for the P67.
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April 7, 2011 11:22:00 AM

had the same problem use the mem button on the motherboard once it has done resetting and configuring use the asus motherboard utility i think its called asus suite 2 use the auto tuning button it will fix the problem and optimise a few other settings and have it running like a dream.
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