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Guest george.kokovinis
Posted

Not easy to tune B-die above 3866 on the OCF.

Out of five kits, my best one does 3980 ( shy of 4000 ), at

12-11-11-28-200-1T. with extremely tight seconds and thirds.

RTL and IOL set respectively at 49-50 / 6-6.

This needs 1.90V and 1.16VccIO and 1.35VccSA.

 

Most of all it needs strong cooling of the memory sticks and an IMC with balls.

 

I have not found these settings useful in many benchmarks.

Exhaustive testing has proven that so tight settings could turn around and become a bottleneck.

 

The golden rule of balancing the whole system applies.

Maximum speed and tight timings is not always the way to go.

 

I did not, yet, have the opportunity to test M-OCF, because I received a dead board.

Waiting for a new one from Germany.

Guest Digg_de
Posted

You should try with a FAT formatted stick. NTFS don't work.

Guest Bullant
Posted

Ran a run of 32m on the big board tonight

 

bigocf.png

Guest Bullant
Posted

Some retail memory,no waza on air,all tight and do pass 4 loops waza....Little cold on mem they should pass with waza

 

 

bulll.png[/url

Guest Bullant
Posted (edited)

Some Kingston AFR,cpu water and memory air,testing OS setup with page file and waza size, faster start slower end half with better final loop to end with much same as my last time

 

aa.png

Edited by Bullant
Guest Bullant
Posted

Team group mems water-air

 

4ghz.png

 

 

 

 

Kingston AFR,little cold on the memory's,will go colder on the memory's and test tighter cl next time

5gxafr.png

Guest Bullant
Posted

Another quick test on AFR tonight,will see how much I can tighten up on next session

 

 

56.078.png

Guest Bullant
Posted (edited)
Is this with ln2 cooling?

 

Yes mate,memory are on ln2 on that run

Edited by Bullant
  • 2 months later...
Guest Bullant
Posted

Quick run on retail mfr and four dim board,have ordered a new two did board will re run on that in few days,should see little more

 

retail-rob.png

  • 2 weeks later...
Posted

Was doing some afr testing last night,memory only little cold -15

 

afr.png

Posted (edited)
wow crazy frequency for that temp, really amazing.

 

Yeah man AFR are really nice scaling on cold,when I have more ln2 I'll try them colder and see how much freq I can get from them at say these timings,32m vs xtu is little different cause if I try xtu I can run full pot memory -170 and could see some crazy scaling but with 32m can't run full pot mem -80 to -120 depending on mem

 

Just in xtu I did test at say only -100 and was running 12-18-18 4220mhz pass so on full cold mems should see it tighter timings a least if not more MHz,b die is also good cold scaling on xtu up to temp limit (more MHz eff scaling on xtu not sure but MHz and tight timings scaling yes)

Edited by Bullant
Posted
Yeah man AFR are really nice scaling on cold,when I have more ln2 I'll try them colder and see how much freq I can get from them at say these timings,32m vs xtu is little different cause if I try xtu I can run full pot memory -170 and could see some crazy scaling but with 32m can't run full pot mem -80 to -120 depending on mem

 

Just in xtu I did test at say only -100 and was running 12-18-18 4220mhz pass so on full cold mems should see it tighter timings a least if not more MHz,b die is also good cold scaling on xtu up to temp limit (more MHz eff scaling on xtu not sure but MHz and tight timings scaling yes)

 

 

Hey bully shot you a pm.

  • 3 weeks later...
  • 4 weeks later...
Guest Bullant
Posted

Some fail AFR tonight,will try again another time with fresh OS

 

4g.png

  • 2 weeks later...
Guest Bullant
Posted

Some AFR and Maxmem Memory read,Cpu single stage -30 and memory on "ice blocks" about 10c.Will run both on LN2 later,should see nice boost

 

afrx1.png

  • 3 weeks later...
Guest Bullant
Posted (edited)

Finally got around to testing those retail mfr on cold again,while I can push them to 3800 11-15-15 I just cant seem to get them to do 32m 3733+ stable 1.76v.........

 

retail-mfr.png

 

 

IMG_2385.jpg

 

 

IMG_2389.jpg

Edited by Bullant
  • 3 weeks later...

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