Start OC my 4000+ A8Npremium help plz

Conman

Conman

Conman

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Joined
23 Apr 2006
Posts
152
Im starting to over my rig here is the spec

AMD64 4000+(NinJa SilentX 120mm) San Diego ADA4000 AA5BN
2x1 GB Corsair XMS 3200 C2PT2.5-3-3-6
A8N SLI premuim 1009
X1900XT+VF900
Samaung 250 gb
P180 (3x 120mmfans)+ Tangan580w

So far, im trying to find out what the maximum limit of my
1. HTT, FSB
2. Max chip capable
3. RAM Speed and timming

i use this link as guide line

http://forums.anandtech.com/messageview.aspx?catid=28&threadid=1497607&enterthread=y

Since time is my problem right now. I would like to ask poeple who might have same components or any ideas of the components limmitation, i would like to know their limmit roughly so i can jump start my FSB, RAM testing.

I also have try to do this
FSB 215 x12 = 2580
RAM 400 2.5-3-3-6
HT x4
PCI 33 Mhz
PCI Express 100 Mhz
Vcore = 1.5
Vram = 2.6
Temp CPU Load/idle 47/34
prime 95 test (torture blend)for 11 mins stable.

I also try
FSB 250 x12 = 3000
RAM 400 2.5-3-3-6
HT x4
rest are same
But this one not even boot up... too bad

i understand this is the beginning of my OC path and i would like to make it as fast as possible (surely safety first), so please help
 
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few questions
It seems like it might take few weeks for my project overclock.

1. While i am testing my componet to its limit, is it ok to turn them all back on stock when im not testing it. Or i must continue until each component reach its limit. I mean like im testing my RAM at 200 and 205 today. Once i finish i turn everything back to Stock and come back later for further test.
Is it safe?

2. what is the stock voltage of my CPU? ADA4000 DAA5BN it seems to be vaiable in AMD website of sticky or shall leave it on auto?

3. To find out the Max FSB, how long of prime95 i should be running each time i increase the FSB
 
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This morning i raise my HTT to 230 on 12 multi (2760) and fail the prime95 in 4 mins. I lower the HTT down to 226x12(2712) and it seems stable for in prim95 10 mins test.
My ram is on low speed.

Is this my cpu limit? with this auto Vcore? or should i drop multi to 11 and raise the cpu abit more to 245 to be equal to (2695)

or should i continue with x12 and raise Vcore which i could not do on my current Bios version 1009 (how unlucky)
 
Now My HTT is at 226 x12 ( i it wont go any higher )
Im trying to do 1:1 with RAM 2.5-3-3-6

So far i run prime95 for 10 mins it pass

does this also mean my ram is running at 452 speed? seems abit too high?
 
If i run 12x226, Im kind of dont like my RAM to run at 226.
So i lower the multiply to x 11 and
raise HTT to 250 Mhz
Vcore 1.525
HT x 4
RAM 333 (in bios) (running at 196.4)

Is this one better? comment please
 
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Thanks for the big reply

Firstly, i sort of went through your process in different order.
I was trying to find the cpu limit first by doing this
1. Lower Ram to 266 (in MB) to get the RAM out of equation but keep the timming 2.5-3-3-6
2. Lower HT to x 3
3. Keep the multi of cpu to 12
4. Set Vcore to 1.5
5. Chipset 1.5
6. HT volatge 1.2
7. PCI exp 100
8 DDR 2.6 V
9 PCI clock 33 mHz

Now i start raising HTT from 200 with 5 at a time.
At Vcore 1.5 i got 226 stable
At Vcore 1.525 i got 230 stable (2760 Mhz)
At vore 1.5375-1.550 235 UNstable

Then i go back to 1-9 setting but LOWER cpu multi to 11
At Vcore 1.5 250 stable (2750 Mhz)
At Vcore 1.525 and bove 255 unstable

Then i go back to 1-9 setting but LOWER CPU mlti to 10
At Vcore 1.5 270 stable
At Vcore 1.525 275 stable (2750 Mhz)
At VCore 1.575-1.55 280 UNstable

At this point i run out of time

For RAM
1. Set at 400 (1:1) with 2.5-3-3-6
2. Lower HT to x 3
3. Keep the multi of cpu to 10
4. Set Vcore to 1.5
5. Chipset 1.5
6. HT volatge 1.2
7. PCI exp 100
8 DDR 2.6 V
9 PCI clock 33 mHz

I start raising from 200 to 225
I kind of not sure if i should go further so i stop at 226 (memtest run stable from 2 hrs 3 standard pass)

It took me 4 days to do these thing.
At this point feel that 275 on HTT and 226 on RAM is in pro overclockers area.
I need to consult this and go slow from now.

Please guide me more to maximise these setting, i My temp is still low MAx(49 on any set up above)
thank you very much
 
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Biggles 266 said:
I'd drop the multi to something like 8 and then start pushing the HTT speed again. With the RAM set on DDR 266, you have a 2:3 ratio. So you could get the HTT to 300 MHz without having the RAM overclocked. You want to find it's maximum. You already know it will do 280, but that was probably maxing out the CPU, not the HTT frequency. You may need to raise the chipset voltage to get maximum performance.

Once you have the maximum HTT speed, you know how much harder you can push the CPU. You may find with more volts it'll go further. But if you've not found the max HTT speed, then you'll never know whether it is the CPU or the board that is the source of instability. It looks like the CPU is going to reach a limit at 2.75 GHz or so, at least without another voltage bump, but we need to isolate what does what.

Find the revision number for the RAM and I can tell you what to do with it, and what you can expect from it.

Remember, more ideal settings would be 9 x 300 HTT, with memory on DDR 333. That'd give a memory speed of 250 MHz. Same sort of CPU speed, huge increase in memory bandwidth.

You can get better yet from your hardware. All it takes is a bit of practice and experience, and we're here to help. We're not even expecting you to take soldering irons or scalpels to your hardware. Although that's always a possibility...
Click to expand...

thanks for the reply
I will try 9x255 --> 300 today.

Here is the info on my ram
CMX 1024- 3200 C2PT XMS3202 v.1.2
XMS 3200 1024 400Mhz CL2

and after i get more info on my ram i will try and see how far my ram could go

Right now the CPU temp is going to 54 in "Oblivion" Mode, however i may need better fan CMF with low noise.

Cheers
 
what is DDR booster ? is it a software ?
I have heard that DDR booster is for OCZ ram and they are hardware mod.

please advice.
 
With the above setting

1. Lower Ram to 266 (in MB) to get the RAM out of equation but keep the timming 2.5-3-3-6
2. Lower HT to x 3
3. Keep the multi of cpu to 8
4. Set Vcore to 1.5
5. Chipset 1.5
6. HT volatge 1.2
7. PCI exp 100
8 DDR 2.6 V
9 PCI clock 33 mHz

RAM
1. Set at 400 (1:1) with 2.5-3-3-6
2. Lower HT to x 3
3. Keep the multi of cpu to 10
4. Set Vcore to 1.5
5. Chipset 1.5
6. HT volatge 1.2
7. PCI exp 100
8 DDR 2.6 V
9 PCI clock 33 mHz

I try to keep the timming at 2.5-3-3-6 all time
I now can overclock my RAM at
258 Mhz With test 5 pass 2 times, test 6 pass time and test 8 pass 2 times
I was trying to rasie voltage up to 3.0 V but it make no different to the speed at all most of the test fail at test 5.

This is quite strange. Same thing happen at the cpu speed too

at reach 10x275 and 11x250 with Vcore 1.5 V and even i try to raise Vcore up to 1.55 V it wont go further.

Any more advice? pleasssss.....
 
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