AMD Overclocking Club

[truegenius]

stock settings

Cpu: athlon 64 x2 7750 non-BE
Name: truegenius
Stepping: 3
Frequency: 2700
ref*multi: 200*13.5
CPU voltage: 1.325 auto
ht: 400
nb frequency: 1800
NB volts: 1.325 auto
RAM: 3GB 667Mhz DDR2 5-5-5-15-1T @ 1.9V
Motherboard: msi k9n6pgm2-v
Cooling: Air cooling/stock
OS: 7 32-bit

stable overclocking

Cpu: athlon 64 x2 7750 non-BE
Name: truegenius
Stepping: 3
Frequency: 3058.6
ref*multi: 235.3*13.0
CPU voltage: 1.325 auto
ht: 1176.4
nb frequency: 2117.4
NB volts: 1.325 auto
RAM: 3GB 470.6Mhz DDR2 5-3-3-9-1T @ 2.3V
Motherboard: msi k9n6pgm2-v
Cooling: Air cooling/stock
OS: 7 32-bit

insane overclocking

Cpu: athlon 64 x2 7750 non-BE
Name: truegenius
Stepping: 3
Frequency: 3272.2
ref*multi: 272.7*12.0
CPU voltage: 1.325 auto
ht: 1363.4mhz
nb frequency: 2181.5
NB volts: 1.325 auto
RAM: 3GB 545.4Mhz DDR2 5-4-4-12-1T @ 2.3V
Motherboard: msi k9n6pgm2-v
Cooling: Air cooling/stock
OS: 7 32-bit

http://s1228.photobucket.com/albums/ee458/realygenius/overclock/

I want to make it further stable at higher clock but need help, i can not change its voltage and multiplier so i want a solution for voltage, i think it can go from1.325 to 1.35v (because it automatically goes upto 1.35 but when i want to change its voltage manually to 1.35 using cputweaker then i get bsod)

 

[king smp]

I will start reading this whole sticky soon but need help now
thanks for any replies

I have a Phenom II x 4 925 Deneb C2 stock 2.8 OCd stable @ 3.5 currently

here is specs best I can remember (too bad you can print out BIOS LOL)

Cpu: Pii 925
Name: SMP
Stepping: C2
Frequency: 3500
ref*multi: 250 x 14
CPU voltage: 1.50
nb frequency: 2000 in BIOS (reported by HWinfo at 1600)
VDDD - just into the yellow two steps
RAM: 4GB 1333Mhz DDR3 Patriot Signature @1066 1.6v stock timings 9-9-9-24 currently at 6-6-6-18 @1066mhz
Motherboard: Asus M4A77TD AM3
Cooling: AMD 140w OEM dual heat pipe 80mm
120 Sicklefow front intake
120 Sickleflow rear exhaust
80mm side intaking into air horn directly above CPU HSF
60mm rear exhaust PCIe bus
OS: 7 64-bit

also Hyper Transport is set to 1250mhz
mild voltage increase

PCIe is set 110 (stock 100 - max allowed 150)

running Prim95 stable with aTI Tray tools running 3D stress test

temps @ 68F room

CPU max - 55c
HD 30c
GPU 80c
Mobo 30c


couple of questions:

I tried dropping ram to 1.5v stock and setting for 1333
whch it was reported in BIOS and Hwinfo running at 667 (1333)

seemed stable so I raised the HT speed
I had both the NB and HT at 1600
with mild voltage increase
booted to windows and ran desktop fine
but failed after 20 mins on stress test

I want to get the RAM higher in speed with lower voltage if possible
also would like to get the HT speed a little higher
right now ram is 1066
HT is 1000

is this possible
it is very stable with settings at 3500mhz
But I want to see if I can raise bus speeds
and also drop temps if possible

Any 925 owners advice would be greatly appreciated

also any tips and tricks from PII OCers is greatly appreciated

thank you
Happy New Years and Peace to All

edit- I am going to post this as a question in the OC forums
I dont know if that is okay
Mod if that is not okay then let me know

 

[sardonicjester]

This is my first OC. Took me 2 tries to get it stable.

Cpu: Phenom II x6 1100T Thuban
Name: SardonicJester
Stepping: 0
Frequency: 4113.6
ref*multi: 200.67*20.5
CPU voltage: 1.428
CPU-NB: Auto (1.25 V)
nb frequency: 2207.5
NB volts: Auto (1.2 V)
RAM: 8GB 1600Mhz DDR3 9-9-9-24-2T @ 1.65V
Motherboard: Asus Sabertooth 990fx
Cooling: Coolermaster V8
OS: 7 64-bit

I am very proud of this OC. If anyone has any suggestions or if I did anything incorrect please let me know.

 

[king smp]

I just went through OCing a Phenom II x 4 Deneb for the first time
and the only advice I have is that lowering your RAM speed can really help
if 1600 is your stock ram speed then
if you drop to 1333 at stock volts and stock timings
you might be able to raise your CPU speed
and lower temps
but really that is a great OC
and you should be proud

 

[sardonicjester]

I just went through OCing a Phenom II x 4 Deneb for the first time
and the only advice I have is that lowering your RAM speed can really help
if 1600 is your stock ram speed then
if you drop to 1333 at stock volts and stock timings
you might be able to raise your CPU speed
and lower temps
but really that is a great OC
and you should be proud

And that is were I get confused.

Wouldn't I need the RAM at 1600 or maybe even 18xx to compensate for the OC?
Wouldn't turning it down to 1333 throttle it?

My goal was to get it to 4.3 on air. But I couldn't get past 4.1, every time the system wouldn't boot. (by increasing the multiplier)

I will definitely give it a shot when I get home from work. (I read that about the RAM on a few threads, just didn't/don't understand it)

Thank You.

 

[king smp]

basically you drop your ram one speed down from stock
1800-1600
1600-1333
1333-1066
and set your timings to the stock timings for that speed
example my 1333 is 9-9-99-24
at 1066 default timings are 8-8-8-20
leave your ram at stock voltage for now

WARNING-
I really wanted 3.5ghz on my PHII x 4 925 stock 2.8
I had it stable as far as shutdownds go
but on Prime95 blend test I would fail on one core
test would keep running on 3 cores but the 4th core would keep failing
blend test failing is an indicator of RAM errors
so after almost spending all night
playing with timings,ram voltage and speed
I gave up and set it to 3.3ghz and dropped the ram down from stock 1333 to 1066
and let the mobo do the rest on auto tune settings
now it has passed a half hour of blend (further than I was getting)
Later I will do a couple of hours of Prime95

I realized after many restarts and tries
that I was battling to get 200mhz extra
stock I am at 2.8
running at 3.3 and should be real stable
at 3.5 it wouldnt crash but got error on P95

so I thought to myself
why am I killing myself (and my computer) for 200mhz
really a 200mhz difference isnt even noticeable except in benchmarks

"a difference that isnt noticeable isnt truly a difference at all"
a wiser man than me said that

so be careful you are not going overboard for a couple hundred mhz
sure try dropping your ram speed down
and bumping up your CPU speed to 4.3
but if it isnt stable in blend and small fft tests
dont go nuts trying to get it to that speed
you will never notice the .2 difference

I got caught up in wanting bragging rights to say I OCd to 3.5
not for any actual performance difference

 

[saint19]

stable overclocking

Cpu: athlon 64 x2 7750 non-BE
Name: truegenius
Stepping: 3
Frequency: 3058.6
ref*multi: 235.3*13.0
CPU voltage: 1.325 auto
ht: 1176.4
nb frequency: 2117.4
NB volts: 1.325 auto
RAM: 3GB 470.6Mhz DDR2 5-3-3-9-1T @ 2.3V
Motherboard: msi k9n6pgm2-v
Cooling: Air cooling/stock
OS: 7 32-bit
I want to make it further stable at higher clock but need help, i can not change its voltage and multiplier so i want a solution for voltage, i think it can go from1.325 to 1.35v (because it automatically goes upto 1.35 but when i want to change its voltage manually to 1.35 using cputweaker then i get bsod)

You will need a better cooler for that, the stock cooler isn't good enough for rise the voltage and keep the temps safe. The mobo can be a limitation too.

couple of questions:

I tried dropping ram to 1.5v stock and setting for 1333
whch it was reported in BIOS and Hwinfo running at 667 (1333)

seemed stable so I raised the HT speed
I had both the NB and HT at 1600
with mild voltage increase
booted to windows and ran desktop fine
but failed after 20 mins on stress test

I want to get the RAM higher in speed with lower voltage if possible
also would like to get the HT speed a little higher
right now ram is 1066
HT is 1000

is this possible
it is very stable with settings at 3500mhz
But I want to see if I can raise bus speeds
and also drop temps if possible

Any 925 owners advice would be greatly appreciated

also any tips and tricks from PII OCers is greatly appreciated

thank you
Happy New Years and Peace to All

edit- I am going to post this as a question in the OC forums
I dont know if that is okay
Mod if that is not okay then let me know

1) HT won't give you any performance, keep it at 2000MHz on "Auto" voltage. For NB, can give you a little more performance BUT you need rise the CPU-NB voltage and that rise your CPU temps too. Overclock 1st the CPU and then play with this, if something fail you can't know if it's the CPU ot NB.
2) You are using a 925, the NB can run at 2600MHz - 2800MHz with a little work in BIOS and voltage.
3) You can create the thread in the overclock section, you can get much more answers there

This is my first OC. Took me 2 tries to get it stable.

Cpu: Phenom II x6 1100T Thuban
Name: SardonicJester
Stepping: 0
Frequency: 4113.6
ref*multi: 200.67*20.5
CPU voltage: 1.428
CPU-NB: Auto (1.25 V)
nb frequency: 2207.5
NB volts: Auto (1.2 V)
RAM: 8GB 1600Mhz DDR3 9-9-9-24-2T @ 1.65V
Motherboard: Asus Sabertooth 990fx
Cooling: Coolermaster V8
OS: 7 64-bit

I am very proud of this OC. If anyone has any suggestions or if I did anything incorrect please let me know.

http://i42.tinypic.com/23w66qe.png


http://i42.tinypic.com/15riqo9.png

Good one, try to overclock the NB for get the max of that RAM.


@All: Sorry for the delay guys, table updated. If you don't have and answer soon, PM with the link of the thread.

 

[sardonicjester]

Awesome. Thanks guys.

@King SMP

Yea, it is pretty much for bragging rights/personal achievement. I really just want to have it stable at 4.3 since that is an entire 1Ghz higher. But I'll still give the ram a shot. If I can't get it stable, I won't stress it, Im happy with 4.1

@Saint19

Thanks, one quick question, at what intervals should I increase the NB voltage? I read that it is a lot more sensitive than the Core Voltage. Also, I have the ASUS UEFI, there are multiple NB voltage sections, Which do I raise? CPU/NB voltage? NB 1.1 voltage, NB 1.8 V? Thanks for the help.

sorry for kind of hijacking this thread for help. These are the last questions I will ask, if I have more i will open a new thread.


Thanks guys.

 

[saint19]

Awesome. Thanks guys.

@King SMP

Yea, it is pretty much for bragging rights/personal achievement. I really just want to have it stable at 4.3 since that is an entire 1Ghz higher. But I'll still give the ram a shot. If I can't get it stable, I won't stress it, Im happy with 4.1

@Saint19

Thanks, one quick question, at what intervals should I increase the NB voltage? I read that it is a lot more sensitive than the Core Voltage. Also, I have the ASUS UEFI, there are multiple NB voltage sections, Which do I raise? CPU/NB voltage? NB 1.1 voltage, NB 1.8 V? Thanks for the help.

sorry for kind of hijacking this thread for help. These are the last questions I will ask, if I have more i will open a new thread.


Thanks guys.

NB voltage = You should not change this
CPU-NB voltage = This is the feature that you must change to get the NB frequency more higher and stable
rise it in little steps and not above the CPU voltage or 1.350V

 

[truegenius]

which settings you thing is better for my ram in my system

1. 785mhz @ 5-5-5-15-20-1t
2. 470mhz @ 5-3-3-9-12-1t

both are equaly stable

1 provide more bandwith, 2 provide less letency

any formula you may want to suggest to calculate which is better

(i haven't started a new thread because it seems a very small , doesn't seems to worth a new thread, i can start one if you want to)

 

[saint19]

which settings you thing is better for my ram in my system

1. 785mhz @ 5-5-5-15-20-1t
2. 470mhz @ 5-3-3-9-12-1t

both are equaly stable

1 provide more bandwith, 2 provide less letency

any formula you may want to suggest to calculate which is better

(i haven't started a new thread because it seems a very small , doesn't seems to worth a new thread, i can start one if you want to)

I'd go with 1st one.

 

[lowjack989]

Bandwidth provided by the first settings outweigh the latency gain...If you could get it stable at CAS4 at say 700 MHz then you'd get the best of both worlds. BTW..truegenius-->That 7750 is quite limited as I have one myself using a 780 NB board...OCing headroom is extremely limited in that chip....Try 4-4-4-12-1T@750MHz

 

[alyoshka]

I'm really finding this quiet odd, my OC seems to work only if I increase the RAM speeds,
http://valid.canardpc.com/show_oc.php?id=2184543

It's 1600 but only when OC'ed @666MHz 1.5V I can the max to 3.6GHz , @683 I reach 3.792GHz and now @700MHz I have reached 3.885GHz.

 

[donkeywax]

hi saint you got my nb voltage wrong dont know if it was you or me but im sure it should be 1.2volts,

cant tell you for sure as i dont use it as a 24/7 overclock,

24/7 i run my cpu at 3990mhz as it allows me to turn voltage down to 1.4375,
as i have heard high voltage degrades your cpu and im some time off upgrading,

i would still recomended overclocking to anyone as i have seem some spectacular performance increases in my system especially in batman arkham city for the cost of a after market cooler which only cost me £24,
im talking 20 frames a second,
not bad ehh

 

[garage1217]

This is my first OC. Took me 2 tries to get it stable.

Cpu: Phenom II x6 1100T Thuban
Name: SardonicJester
Stepping: 0
Frequency: 4113.6
ref*multi: 200.67*20.5
CPU voltage: 1.428
CPU-NB: Auto (1.25 V)
nb frequency: 2207.5
NB volts: Auto (1.2 V)
RAM: 8GB 1600Mhz DDR3 9-9-9-24-2T @ 1.65V
Motherboard: Asus Sabertooth 990fx
Cooling: Coolermaster V8
OS: 7 64-bit

I am very proud of this OC. If anyone has any suggestions or if I did anything incorrect please let me know.

http://i42.tinypic.com/23w66qe.png


http://i42.tinypic.com/15riqo9.png

On your DDR3, set the tRC to 33 with those timings. Generally tRAS + tRP = tRC. Quite an improvement and tRC is almost always overlooked. Also have you tried a 1T CR? Also I would give it a go to up the CPU-NB frequency to 2600. Leave voltage on auto at first and only raise if needed. Also do not mess with the HT frequency.

 

[garage1217]

Updated on the last page...

 

[king smp]

that is awesome garage
my future cpu upgrade will be a thuban x 6 (way in the future LOL)
I also run my Prime95-64bit with ATI tray tools OCing my GPU and running the 3D GPU stress tester
so this way the CPU and GPU are both at 100 percent
I figure if it stays stable like that then my system is darn stable

PHII X 925 stock 2.8 @ 3.4ghz 1.46v (can get higher but only have stock AMD 140w cooler so trying to keep max temps under 55C in 70f house)
HD 5670 stock 775/1000 at 875/1175 OCd

Does anybody know what this ASUS loadline calibration is all about
did some googling but couldnt get a straight answer
I have it set to auto which is 53% but I read that loadline calibration is bad?

 

[saint19]

that is awesome garage
my future cpu upgrade will be a thuban x 6 (way in the future LOL)
I also run my Prime95-64bit with ATI tray tools OCing my GPU and running the 3D GPU stress tester
so this way the CPU and GPU are both at 100 percent
I figure if it stays stable like that then my system is darn stable

PHII X 925 stock 2.8 @ 3.4ghz 1.46v (can get higher but only have stock AMD 140w cooler so trying to keep max temps under 55C in 70f house)
HD 5670 stock 775/1000 at 875/1175 OCd

Does anybody know what this ASUS loadline calibration is all about
did some googling but couldnt get a straight answer
I have it set to auto which is 53% but I read that loadline calibration is bad?

I think that this can solve your question: http://www.anandtech.com/show/2404/6

Or the official ASUS answer: http://support.asus.com/Search/KDetail.aspx?SLanguage=en&no=B6FD167E-2FD9-EC03-1227-9CC8513C1141&t=2

 

[Shadow703793]

I have it set to auto which is 53% but I read that loadline calibration is bad?

LLC isn't "bad" per-se, however you have to make sure your vCore under load isn't too high and your temps are fine.

What LLC does is it counteracts vDroop which is implemented by the Intel/AMD engineers to protect against high current and high thermals.

 

[king smp]

I tested it out with loadline changed from auto 53% to loadline off at 0 percent
and according to HWinfo64 my vcore rose dramitically with Loadline off
normally I run between 1.42 to 1.47 with my Vcore at 1.46 and LLC set to auto
with it set off it was at 1.49-1.51 with vcore still set at 1.46

I need to do some more serious studying on OCing non BE phenoms

right now I have almost everything set to Auto
only thing changed is bus speed,cpu vcore and the ram timings set to stock 9-9-9-24 @ 1333
too bad there isnt alot of good guides to OCing non-BE chips
I also will have to go and read all prior 11 pages of this thread
sure I can learn something

 

[king smp]

good idea
but actually pretty happy crusing along at 3.4ghz
really more power than I need
(i was using a E4500 OCd LOL)
it is really for the technical knowledge
I find reading about HT, HTT,Northbridge,RAM timings,etc fascinating

the 925 is awesome
in the far future I would think about a Thuban BE edition
or maybe trying to unlock a Zosma
but no need to upgrade for awhile
wait a year and catch a good deal on Ebay

 

[Shadow703793]

right now I have almost everything set to Auto
only thing changed is bus speed,cpu vcore and the ram timings set to stock 9-9-9-24 @ 1333

Are you setting vCore manually or auto?

Also, what the stock voltage/VID of that CPU? Temps?

 

[king smp]

setting Vcore manually
at 3.3ghz it will run fine on auto
but any higher and voltage needs to raise up manually
on Toms guide to phenom II deneb OCing it stated it is safe to go up to
1.55
AMD states 1.41 is max

idle at 70F is 39c
prime95 max load after half hour is 55c
amd states max Tcase is 55c-71c on the 925
which is pretty vague
I dont like it to go over 60c max
aft
using AMD oem dual heat pipe 140w phenom I cooler
hope to upgrade soon

 

[saint19]

right now I have almost everything set to Auto
only thing changed is bus speed,cpu vcore and the ram timings set to stock 9-9-9-24 @ 1333

Are you setting vCore manually or auto?

Also, what the stock voltage/VID of that CPU? Temps?

Welcome back man, nice to see you over here again

 

[toepickles]

Hey is a 700mhz OC on a AMD Athlon II 240 Regor worth a post on this? I mean Its very stable running 24/7 at 17C Idl and 34c with a load on it. Then again its not a huge OC but its all I could get stable. Its currently running at 3.5GHZ stock speed was 2.8GHZ...