2x1GB/1x1GB OC Database

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08-22-2005, 12:42 AM
sierra_bound

pentium777, hope you get your RAM straightened out. Sounds to me like a heat problem. But someone said you're using active cooling. Strange.

I just ran a couple of complete passes of Memtest at DDR600 and 3v. As you know, each pass takes forever to complete with 1GB sticks.

http://img381.imageshack.us/img381/5628/img03679lu.jpg
08-22-2005, 12:59 AM
brandinb

OMG sierra bound that unbuffered bandwidth is huge!! i think thats the biggest a-64 unbuffered bandwidth ive ever seen!!!!!!!
________
Bdsm bbw
08-22-2005, 01:04 AM
sierra_bound

Memtest bandwidth is 3777 MB/s at DDR580 which is where I normally have it because I don't like using 3v all the time.
08-22-2005, 05:01 AM
Prasith

sierrabound,

That is awesome. What do you run for everyday stable settings? What voltage?

Do you run active cooling with your memory? Is it worth it?

I am just doing a new build with those chips. Would you be kind enough to give some of the settings you used to start with. I am only looking for 270 out of my matched set. Not looking to break any records just want a good stable system for running AI algorithms for 24 - 48 hrs.

I am especially looking for the following. This is my current settings. Whatever you can fill in would be a great help.

DRAM Frequency Set - 200 (DRAM/FSB:1/01)
Command Per Clock (CPC) - Enable
CAS Latency Control (Tcl) - Auto
RAS# to CAS# delay (Trcd) - Auto
Min RAS# active time (Tras) - Auto
Row precharge time (Trp) - Auto
Row Cycle time (Trc) - Auto
Row refresh cyc time (Trfc) - Auto
Row to Row delay (Trrd) - Auto
Write recovery time (Twr) - Auto
Write to Read delay (Twtr) - Auto
Read to Write delay (Trwt) - Auto
Refresh Period (Tref) - Auto
Write CAS Latency (Twcl) - Auto
DRAM Bank Interleave - Enabled

DQS Skew Control - Auto
DQS Skew Value - Auto
DRAM Drive Strength - Auto
DRAM Data Drive Strength - Auto
Max Async Latency - Auto
DRAM Response Time - Normal
Read Preamble Time - Auto
IdleCycle Limit - 256 Cycles
Dynamic Counter - Disable
R/W Queue Bypass - 16 x
Bypass Max - 07 x
32 Byte Granularity - Disable(4 Bursts)

As you can see from all my Auto Settings I have been tweaking hard :rolleyes: .

All help would be appreciated.

Thanks Man,

Prasith
08-22-2005, 09:41 AM
shidokanjohn

new mems keep testing :)

OCZ EL 2GB DC KIT
http://www.thelab.gr/attachment.php?s=&postid=271018
http://www.thelab.gr/attachment.php?s=&postid=271019
http://www.thelab.gr/attachment.php?s=&postid=271022

2.8v street racer normal,5,enabled,disabled
keep testing
08-22-2005, 10:46 AM
sierra_bound

Quote:

Originally Posted by Prasith

sierrabound,

That is awesome. What do you run for everyday stable settings? What voltage?

Do you run active cooling with your memory? Is it worth it?

I am just doing a new build with those chips. Would you be kind enough to give some of the settings you used to start with. I am only looking for 270 out of my matched set. Not looking to break any records just want a good stable system for running AI algorithms for 24 - 48 hrs.

For everyday usage I run them at 290 with 2.8v. I do use active cooling (90mm fan) and would recommend it. Here are the memory settings I use. BTW, these are the same settings I used to run Memtest at DDR600. One other thing. The Ballistix had been running all day before I ran Memtest for an hour, so I wasn't testing with cold sticks.

http://img.photobucket.com/albums/v38/ds7510/A2.jpg
08-22-2005, 10:59 AM
sierra_bound

Sandra buffered and unbuffered at 300X12.

http://img295.imageshack.us/img295/2...a300x128ee.jpg

http://img285.imageshack.us/img285/2...f300x124lx.jpg

And just for kicks, a suicide Memtest screen at DDR616. ;)

http://img.photobucket.com/albums/v3...0/IMG_0369.jpg
08-22-2005, 12:05 PM
pentium777

Quote:

Originally Posted by fareastgq

yeah, makes sense, it's a heat issue most likely. I'm running my ran at 2.5 volts 0 errors.

I can confirm definately not a heat issue, have a room dedicated AC unit that blows fairly close to the PC, at the time ambient was around 72-74'F and I have a tornado of fans in my case ram is barely warm if even noticable when touched. So far 2.5 @ 246 and 250 haven't produced any errors but I've been running over a month at 2.6 also until I checked that test #4 and got 1 error.
08-22-2005, 03:36 PM
Lood007

I have set my stable speed at 289 1:1 x 9.0 = 2600 MHz.
Timings at stock, vDIMM at 2.85v.
My memory bandwidth is extremely low for the OC that I have.
Sandra Buffered shows right at 7Gs, which is low for 289 MHz FSB 1:1, no?
Any ideas on what is going on here?
See sig for more details.
08-22-2005, 03:44 PM
sierra_bound

At 290X9 with the settings listed above, I get around 7350-7400 in Sandra buffered.
08-22-2005, 03:46 PM
skipio

sierra_bound Awesome!!

Lood007 Maybe some of your 'lesser' memory timings like your Twr, Trtw, Twtr, Trfc are a bit conservative?
08-22-2005, 03:59 PM
Lood007

Wait... don't X2 CPUs lose a lot of bandwidth b/c of their shared mem controller?
08-22-2005, 04:06 PM
Gaspar

Quote:

Originally Posted by Lood007

Wait... don't X2 CPUs lose a lot of bandwidth b/c of their shared mem controller?

I score around 7000 with 270x10 1/1 3,3,2,5
So you might be a little on the low end but not much
08-22-2005, 04:12 PM
Lood007

Quote:

Originally Posted by skipio

Lood007 Maybe some of your 'lesser' memory timings like your Twr, Trtw, Twtr, Trfc are a bit conservative?

Timings are in my previous post here

http://www.xtremesystems.org/forums/...&postcount=766

All timings look good to me... nothing too conservative.
08-22-2005, 04:45 PM
Waffles

has anybody tried out the ocz titanium or platinum yet?
08-22-2005, 04:52 PM
nugzo

Quote:

Originally Posted by sierra_bound

For everyday usage I run them at 290 with 2.8v. I do use active cooling (90mm fan) and would recommend it. Here are the memory settings I use. BTW, these are the same settings I used to run Memtest at DDR600. One other thing. The Ballistix had been running all day before I ran Memtest for an hour, so I wasn't testing with cold sticks.

http://img.photobucket.com/albums/v38/ds7510/A2.jpg

I set my rig up EXACTLY like yours. Memtest86 only shows 3199MB/s compared to your 3908. Any clues? what bios are you using?

http://img369.imageshack.us/img369/2417/untitled2re.jpg
08-22-2005, 05:20 PM
EnJoY

He's at 3.6GHz nugzo....that's why
08-22-2005, 05:29 PM
sierra_bound

Quote:

Originally Posted by nugzo

I set my rig up EXACTLY like yours. Memtest86 only shows 3199MB/s compared to your 3908. Any clues? what bios are you using?

702-2. And that Memtest screen was for 2.7GHz (300X9). Only the Sandra results were at 3.6GHz (300X12).

I don't know why bandwidth was 3908. I run Memtest mainly to check for errors. I ran it last night after pentium777 said he was having problems. Just wanted to check to make sure I wasn't getting errors. I also ran it several times at 300X9 and each time bandwidth was 3908. Someone else was getting 3708 MB/s at 295.

http://www.xtremesystems.org/forums/...92&postcount=3
08-22-2005, 05:36 PM
nugzo

Quote:

Originally Posted by sierra_bound

702-2. And that Memtest screen was for 2.7GHz (300X9). Only the Sandra results were at 3.6GHz (300X12).

Yeah i used 300*9 also. 704-2 bios. will try 702-2. if that doesn't do it i guess its the "New" ballistix that's is doin it. Check Bigtoes setup Here post # 46 and see if you can get the same or better with his config. I couldn't come close with my setup.
08-22-2005, 05:40 PM
sierra_bound

Actually I did try 257X11 last night after seeing his set-up. :) I got similar bandwidth: around 3550.

The OCZ modules are pretty good. But they can't do 280-300 @ 3-3-3 like Ballistix. A few people are making a big deal about the multiplier used. Well, a lot of CPU's simply can't do 280X10 or 270X11. Has nothing to do with having a bad memory controller. Some CPU's just can't run at those speeds. A Honda Civic isn't going to do 175mph. But it's not because it has a bad engine. It's just that it doesn't have enough power.
08-22-2005, 05:53 PM
Waffles

Quote:

Originally Posted by sierra_bound

Actually I did try 257X11 last night after seeing his set-up. :) I got similar bandwidth: around 3550.

The OCZ modules are pretty good. But they can't do 280-300 @ 3-3-3 like Ballistix. A few people are making a big deal about the multiplier used. Well, a lot of CPU's simply can't do 280X10 or 270X11. Has nothing to do with having a bad memory controller. Some CPU's just can't run at those speeds. A Honda Civic isn't going to do 175mph. But it's not because it has a bad engine. It's just that it doesn't have enough power.

i only need 250 so if either of them does that at reasonable timings i'd opt for those over the out of stock crucial :(
08-22-2005, 06:08 PM
newls1

Quote:

Originally Posted by nugzo

Yeah i used 300*9 also. 704-2 bios. will try 702-2. if that doesn't do it i guess its the "New" ballistix that's is doin it. Check Bigtoes setup Here post # 46 and see if you can get the same or better with his config. I couldn't come close with my setup.

I have some of this ram on order, and should be here tomorrow. I was just wondering, is there something different with the "NEW" ballistix? Did they change something? I just want to see what im in for. Thanks
08-22-2005, 06:24 PM
Blue078

Quote:

Originally Posted by Waffles

i only need 250 so if either of them does that at reasonable timings i'd opt for those over the out of stock crucial :(

Ballistix Z503's are in stock at Crucial, looks like even the Tracer is in stock :)
08-22-2005, 09:20 PM
Waffles

Quote:

Originally Posted by Blue078

Ballistix Z503's are in stock at Crucial, looks like even the Tracer is in stock :)

iits like friggen $400 tho lol :p:
08-23-2005, 03:12 AM
skipio

Lood007

I thought
Trc = Tras + Trp
then
Trfc = Trc + (2 - 4)

But neither you or sierra_bound seems to be using this in their A64 Tweaker, why is that? Am i missing something? Or is the above wrong?

Also how come noone is using Everest or Sciencemark 2 or something else that benches latency? From what i've seen DDR416@ 2-2-2-6, DDR500@2.5-3-3-7 and DDR560@3-4-4-8 have within 4% the same latency yet the bandwidth difference is about 20-22%.

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