- Gigabyte GA-P55A-UD3 (rev. 1) (BIOS v. F11)
- Patriot G Series ‘Sector 5’ Edition 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666)
- Intel i7-860 2.8GHz
I am on the most up to date BIOS and all drivers that I know of are updated (not that that matters for MemTest).
So this is my first build, and as it turns out I've been having a lot of instability, and am now failing MemTest regularly. I already RMA'ed one of my 2GB sticks ("Stick B") and I'm still having issues. So that is 3 sticks that each fail in both slots 1 & 3, so it seems there is something else going on.
I've tried MemTest with the Optimized and Failsafe BIOS settings, and it went like this:
Optimized BIOS - Stick C in Slot 1 & Stick A in Slot 3: FAIL
Failsafe BIOS - Stick C in Slot 1 & Stick A in Slot 3: FAIL
Optimized BIOS - Stick C in Slot 1: FAIL
Failsafe BIOS - Stick C in Slot 1: PASS for 25+ hrs
Here are CPU-Z results for 3 of the 4 configs:
CPU-Z Failsafe - 1 stick
CPU-Z Optimized - 1 stick
CPU-Z Failsafe - 2 sticks
I should note that all I want is a stable machine that runs at spec (no interest in overclocking at this point in time).
When I put BOTH sticks in, a lot of the settings change. For example:
2 sticks vs 1 stick
Mem frequency: 1066MHz/1333MHz
CPU Freq: 1999 MHz/2800MHz
CPU Clock Drive: 700Mv/900Mv
System Memory Multiplier (SPD): 8.0/10.0 (well, it's set to auto but I think that's what it gets set to)
And while with 1 stick I had timings showing 9 9 9 24 (which is how the RAM is labeled), with 2 in I get this:
Channel A: 8 8 8 20 4 19 48 1
Channel B: 7 7 7 20 4 19 60 1
Is this an indication of an issue? I have no idea what the implications of this are. Am I supposed to change those to 9 9 9 24 etc...? Why would the BIOS opt not to do that then, and have less stable settings in Failsafe mode?
I was told by (I think a Patriot employee) to do the following (but he is no longer responding to my questions):
I can't see where to set QPI, and I'm a little afraid to guess at how to change the other ones. I think I see where to do it, but as a total noob to timings, etc..., I'm afraid I'll hose the entire thing.
Any ideas based on the info above, or where I should go from here? I'm not sure what is relevant and what is not, but I tried to pick out things that seemed like they would be relevant. I have BIOS screenshots and a few diffs of the above CPU-Z result files, if that helps.
Here are some of the questions I'm trying to answer:
1. Can I safely make the changes suggested above with both sticks in? Or should I try it with one stick first?
2. Why would the BIOS drop all the timings and voltages on me? Is it Gigabyte power-saving features or something?
3. Are there other settings that I need to modify to support the suggested changes?
4. I can't find a place to modify QPI timings - any approach there?
5. Will I be better off swapping the PGV34G1333ELK for memory that is more compatible with my board (is it "incompatible"?) I have no desires to overclock or anything - I just want stability without performance below what is expected from typical configs
6. Should I try installing the Gigabyte eXtreme software - will that change BIOS settings more safely for me (safely as in, more difficult for me to screw up)?
I could really just use a few steps to go from here and some verification that I can make these changes without worrying that I will screw something up bigtime.
Thanks in advance.
- Patriot G Series ‘Sector 5’ Edition 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666)
- Intel i7-860 2.8GHz
I am on the most up to date BIOS and all drivers that I know of are updated (not that that matters for MemTest).
So this is my first build, and as it turns out I've been having a lot of instability, and am now failing MemTest regularly. I already RMA'ed one of my 2GB sticks ("Stick B") and I'm still having issues. So that is 3 sticks that each fail in both slots 1 & 3, so it seems there is something else going on.
I've tried MemTest with the Optimized and Failsafe BIOS settings, and it went like this:
Optimized BIOS - Stick C in Slot 1 & Stick A in Slot 3: FAIL
Failsafe BIOS - Stick C in Slot 1 & Stick A in Slot 3: FAIL
Optimized BIOS - Stick C in Slot 1: FAIL
Failsafe BIOS - Stick C in Slot 1: PASS for 25+ hrs
Here are CPU-Z results for 3 of the 4 configs:
CPU-Z Failsafe - 1 stick
CPU-Z Optimized - 1 stick
CPU-Z Failsafe - 2 sticks
I should note that all I want is a stable machine that runs at spec (no interest in overclocking at this point in time).
When I put BOTH sticks in, a lot of the settings change. For example:
2 sticks vs 1 stick
Mem frequency: 1066MHz/1333MHz
CPU Freq: 1999 MHz/2800MHz
CPU Clock Drive: 700Mv/900Mv
System Memory Multiplier (SPD): 8.0/10.0 (well, it's set to auto but I think that's what it gets set to)
And while with 1 stick I had timings showing 9 9 9 24 (which is how the RAM is labeled), with 2 in I get this:
Channel A: 8 8 8 20 4 19 48 1
Channel B: 7 7 7 20 4 19 60 1
Is this an indication of an issue? I have no idea what the implications of this are. Am I supposed to change those to 9 9 9 24 etc...? Why would the BIOS opt not to do that then, and have less stable settings in Failsafe mode?
I was told by (I think a Patriot employee) to do the following (but he is no longer responding to my questions):
The timings should be pretty straightforward. Use the native bclk, set only 1333, cas 9, trcd 9, trp 9, tras 24, trfc 72, and dram voltage 1.65-1.66v, qpi voltage 1.25-1.35v, cpu voltage 1.30v.
I can't see where to set QPI, and I'm a little afraid to guess at how to change the other ones. I think I see where to do it, but as a total noob to timings, etc..., I'm afraid I'll hose the entire thing.
Any ideas based on the info above, or where I should go from here? I'm not sure what is relevant and what is not, but I tried to pick out things that seemed like they would be relevant. I have BIOS screenshots and a few diffs of the above CPU-Z result files, if that helps.
Here are some of the questions I'm trying to answer:
1. Can I safely make the changes suggested above with both sticks in? Or should I try it with one stick first?
2. Why would the BIOS drop all the timings and voltages on me? Is it Gigabyte power-saving features or something?
3. Are there other settings that I need to modify to support the suggested changes?
4. I can't find a place to modify QPI timings - any approach there?
5. Will I be better off swapping the PGV34G1333ELK for memory that is more compatible with my board (is it "incompatible"?) I have no desires to overclock or anything - I just want stability without performance below what is expected from typical configs
6. Should I try installing the Gigabyte eXtreme software - will that change BIOS settings more safely for me (safely as in, more difficult for me to screw up)?
I could really just use a few steps to go from here and some verification that I can make these changes without worrying that I will screw something up bigtime.
Thanks in advance.