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I need HELP getting 1100T to 4.2Ghz

post #1 of 25
Thread Starter 
Ok so I'm building a rig for a friend with an 1100T and I really want to get this thing to 4.2. It went to 4.0 with just the multiplier and a smig of voltage +0.050 and hardly any heat, but getting it to 4.2 is proving to be more than I know. I can boot at 4.2 with multiplier only and multiplier and fsb, but just can't get it stable in prime95. It'll run for a little, but I start failing one or to workers after like 10min and after about 15min it'll blue screen. It feels like it's right there, but I just can't get it there. I had 16GB of RAM in it, but read that 4 DIMMS is to much on the IMC for overclocking so I took out 2 sticks and it didn't really help. This is a 24/7 overclock I'm shooting for bear in mind. Here's the specs.

CPU: AMD 1100T
Mobo: Gigabyte GA-990FXA-UD3
RAM: 2x4GB G.SKILL Ripjaws X rated @ 1866 1.5v CAS 9
CPU Cooler: Cooler Master V6 GT
GPU: ATI 5970
SSD: 128GB Crucial M4
HDD: Western Digital Caviar Black 1TB
Case: Cooler Master Enforcer
PSU: OCZ ModXStream 700W

Here's the settings that have proven to be to closest to stable:
CPU Clock: 4212mhz
Multiplier: 18
NB: 2106
HT: 2106
Memclock Clock: 1872
CPU Freq: 234
CPU NB voltage: 1.3v
CPU Core Voltage: 1.475v (1.520v under load)
All other voltages set to normal.

These voltages seem a lil much so I think I'm doing something wrong?
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post #2 of 25
From what I'm seeing here and basing this on my experience with my chip, this is actually typical based on aircooling.

My 1100T acts much the same way with my OCK Frio which is a similar cooler to what you are using. The highest I can normally go is about 1.48v's with it before heat really becomes an issue with clockspeeds about the same, on water it's much better. With six cores going you'll see some heat being generated and you can only do so much on air. As for 24/7 use, watercooling will make a real difference since aircooling efficiency is affected by your ambient temps and in the warmer months of the year you could very well have some problems.

Looks though to be a good chip - If possible I'd set it up with watercooling and that will definitely help things out, I know from working with mine that's how it's been and even on water once I start getting above 1.52v's or so it doesn't want to play nice with a typical H2O config. Temp spikes are to be expected based on how much load the chip has on it and these spikes can cause a BSOD/lockup without warning as I discovered with mine.
Edited by Kryton - 12/9/11 at 3:03am
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post #3 of 25
Kryton is right.
Just to give you a heads up right off the bat the 1090t and 1100t hit wall at about 4.1. 4.2 is very hard to get completely stable.

This is your starting base for a 4.2 overclock
1 Make sure your bios is up to date. there are a bunch of stability patches for the bios.
2 disable cpu level up
3 set your multiplier to 22 which will give you a 4.2 OC Can't remember if it's 21 or 22 on the multi.
4 set your cpu voltage to 1.55<<<< this maybe higher or lower
5 set your ht link to 2000 <<< as close to as you can
6 set your cpu/nb to 2800<<<<< as close to as you can
7 set your cpu/nb volts to 1.30
8 set LLC to enable for both
9 disable spread spectrum on both
leave all else at stock.
gl hope this helps
Edited by Cape Cod - 12/9/11 at 3:08am
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post #4 of 25
here are my folding settings:

256x16.5 = 4224 CPU freq.
256x11= 2816 NB freq.
1:3.33 RAM ratio= 1707
9-9-9-24 Timings
256x9 = 2048 HT freq.

1.5 VCore
1.53 CPU V
1.3 NB V
1.7 Ram V

I see that your HT is 2106.. These systems don't seem to like it at or above 2100, so try lowering your HT multi to x9 or x8 and that should give you some head room. As long as your temps aren't above ~55*C, and your voltage at load doesn't go too far above 1.55, you should be fine.

edit: also, set your ram to the manufacturer's recommended speed and timings and voltage manually, don't leave them on all auto. also, turn off turbo core.
Edited by eloverton2 - 12/9/11 at 3:10am
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post #5 of 25
Thread Starter 
Quote:
Originally Posted by Cape Cod View Post

Kryton is right.
Just to give you a heads up right off the bat the 1090t and 1100t hit wall at about 4.1. 4.2 is very hard to get completely stable.
This is your starting base for a 4.2 overclock
1 Make sure your bios is up to date. there are a bunch of stability patches for the bios.
2 disable cpu level up
3 set your multiplier to 22 which will give you a 4.2 OC Can't remember if it's 21 or 22 on the multi.
4 set your cpu voltage to 1.55<<<< this maybe higher or lower
5 set your ht link to 2000 <<< as close to as you can
6 set your cpu/nb to 2800<<<<< as close to as you can
7 set your cpu/nb volts to 1.30
8 set LLC to enable for both
9 disable spread spectrum on both
leave all else at stock.
gl hope this helps

BIOS flash was the 1st thing I did

what is LLC and spread spectrum?

Is +1.5v gonna be ok for 24/7?
Edited by toddville393 - 12/9/11 at 3:19am
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post #6 of 25
Quote:
Originally Posted by toddville393 View Post

BIOS flash was the 1st thing I did
what is LLC and spread spectrum?
Is +1.5v gonna be ok for 24/7?

mine stays at 1.55 24/7 100% load. been folding since Sept '10 (with only a few breaks). just watch your temps.
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post #7 of 25
Load line calibration
LoadLine Calibration reduces the vdroop. While it doesn't eliminate it, it does make it manageable. So I would enable it for OCing.

Spread spectrum
The spread spectrum truned on elimnate EMI, Electro Magnetic Interferance. Which can Make your processor Frequncy spike from the Magnetic Wave lengths. EMI can affect the CPU Freq. kind of like a really quick rev up for your CPU frequncy. it will make it go from 3.0HGz to anything that will make your PC lock up. So if you are palgued by EMI then keep in on. but that's only in a Very unusual circumstance.
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post #8 of 25
Quote:
Originally Posted by Cape Cod View Post

Kryton is right.
Just to give you a heads up right off the bat the 1090t and 1100t hit wall at about 4.1. 4.2 is very hard to get completely stable.
This is your starting base for a 4.2 overclock
1 Make sure your bios is up to date. there are a bunch of stability patches for the bios.
2 disable cpu level up
3 set your multiplier to 22 which will give you a 4.2 OC Can't remember if it's 21 or 22 on the multi.
4 set your cpu voltage to 1.55<<<< this maybe higher or lower
5 set your ht link to 2000 <<< as close to as you can
6 set your cpu/nb to 2800<<<<< as close to as you can
7 set your cpu/nb volts to 1.30
8 set LLC to enable for both
9 disable spread spectrum on both
leave all else at stock.
gl hope this helps

One thing I need to point out is that running a higher CPU multi at a given MHz speed works the CPU itself harder than it would if a lower CPU multi was used at a given MHz value. I stay away from higher multis for that reason unless I'm going for some crazy clockspeeds. Working it harder obviously means more heat - You don't want that.
The one I have seems to do it's best with a 17.5/18 multi with some bus thrown in to get my clocks where I want them for everyday OC'ed use.

Hate to say it but 1.55v's on air is simply too much unless you have some killer ambient temps and even on water it can be a problem, esp if wanting to run it 24/7. Thubans do better when running colder and like all Phenom II based chips, you can get higher speeds from them with the same voltages if it's running cooler. I've tried mine with 1.55v's and it was BSOD all the way and even refused to boot the OS due to temp spikes. Dropping the CPU voltage in my case allowed me to get going again. 1.48v's should get you close or even there if you can simply get temps a little lower.

That's how mine acts and although each individual CPU will behave differently, there are tendencies all Phenom II's share as well.
Edited by Kryton - 12/9/11 at 3:32am
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post #9 of 25
Thread Starter 
Quote:
Originally Posted by Cape Cod View Post

Load line calibration
LoadLine Calibration reduces the vdroop. While it doesn't eliminate it, it does make it manageable. So I would enable it for OCing.
Spread spectrum
The spread spectrum truned on elimnate EMI, Electro Magnetic Interferance. Which can Make your processor Frequncy spike from the Magnetic Wave lengths. EMI can affect the CPU Freq. kind of like a really quick rev up for your CPU frequncy. it will make it go from 3.0HGz to anything that will make your PC lock up. So if you are palgued by EMI then keep in on. but that's only in a Very unusual circumstance.

ok so how do I disable it I don't see it in the BIOS?

I have HT set at 2000 but it is reading 2617 in CPU-Z
Edited by toddville393 - 12/9/11 at 3:34am
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post #10 of 25
Load line should be in there.
Spread spectrum may not be in there not all bios's have it.
Edited by Cape Cod - 12/9/11 at 2:51pm
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