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***The Official E2140/E2160 Overclocking Thread***

Hmm, cant seem to run my E2140 at more than 3.2ghz, might have hit a fsb wall (running 400*8 atm).

Anyone know how to increase the nbridge volts on a gigabyte DS3R ?
 
I've just set up an e2140 with an abit IP35-e board and 2x 1Gb GEil 6400 ULL ram. So far I've managed to clock it to 363MHz bus speed @ 8x multiplier (2.9GHz). It's stable in orthos, but if I move the FSB any higher it just will not boot. Increasing my voltages on the northbridge, Core etc doesn't seem to help. Could it be that this is the limit for my processor? It won't even boot at lower multipliers at a higher FSB.

CPU core 1.385v (tried everthing up to 1.55v)
Northbridge back to default (1.25v)
Mem timings 4,4,4,12 (mem divider 1:1)
Arctic Freezer pro
500w Xpower PSU

Is it normal for the northbridge to be very hot at these FSB speeds? It's around 53c at load (hotter than the CPU!)

It's a reasonable overclock anyway, but I'd love to get it past 3Ghz just for the challenge.

Any help would be very appreciated.
 
My fsb limit is 395 iirc, I run at 375 x 8 with my e2160. I heard PLL voltage ( think its called that on the P5K) should be upped for my fsb but Im not sure about that. I am just overvolting my RAM +0.2 to about 2.05v and cpu with 1.4v.
 
I recently got lucky with an E2140 M0 with 1.1625v default VID and it does 3GHz (375 x 8) at 1.25v but that's pretty much all I can do with it. The system sometimes boots and loads Windows at it's max of 398 FSB but it won't boot at 399 FSB regardless of volts etc.

So I'm wondering if one of the P35 boards will allow me to max out this CPU. Anyone have any ideas? :confused:
 
str said:
I'm wondering if one of the P35 boards will allow me to max out this CPU. Anyone have any ideas? :confused:
Click to expand...
Hmmm I wonder if your 2140 has an FSB-Wall?

I've got an E2140 running at 3200MHz fully stable, that was using 1.400vCore set in BIOS on an ASUS P5B-D, didn't try any higher because my cooling was fubared and temps were hitting 74°-84°C full orthos load.
 
megatron said:
My fsb limit is 395 iirc, I run at 375 x 8 with my e2160. I heard PLL voltage ( think its called that on the P5K) should be upped for my fsb but Im not sure about that. I am just overvolting my RAM +0.2 to about 2.05v and cpu with 1.4v.
Click to expand...

N00b question. What advantage do you get (if any) if you run at 375*8 against 333*9 (which I have) - my RAM is +0.1 and my CPU is 1.425v (drooping to 1.36 ish in CPU-Z)?
 
Big.Wayne said:
Hmmm I wonder if your 2140 has an FSB-Wall?

I've got an E2140 running at 3200MHz fully stable, that was using 1.400vCore set in BIOS on an ASUS P5B-D, didn't try any higher because my cooling was fubared and temps were hitting 74°-84°C full orthos load.
Click to expand...
I suspect you could be right about the FSB wall which is very annoying as it doesn't appear possible to work around it. I swapped the 4 x 1GB PC-5300 (runs at DDR2-800 no problem) to 2 x 1GB PC-6400 and it booted at 400 x 8 but failed to load Windows. I didn't bother trying just two sticks of the PC-5300 as I suspect it would have worked as well. Also I've read the BSEL mod doesn't help but I'm inclined to try it anyway just need to get one of those thingy pens or whatever so I can do it.

It was actually at 1.225v which is the lowest vcore the BIOS lets me choose (I said 1.25v above) for 3GHz and it droops to 1.168v. :cool:



I've only just started stressing it again but will let it run to see if it's stable.
 
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No chance of LN2 to break a FSB wall here and probably wouldn't work anyway. :D

It's still priming so is looking good for 3GHz stability at 1.225v. Also I'm starting to think it might be my Intel 975 based P5W DH Deluxe motherboard (could be the CPU too though) as it needed NB volts at the max 1.85v (stock is 1.55v) for 375 FSB.

I might buy an E21xx friendly motherboard anyway just to see but have no idea what to go for. :confused:
 
I'll check it in steps again to see if it's able to boot above 398 once it's finished 8 hours of prime. It didn't boot when I tried 405 earlier but will try it in 5 steps a few times just in case.

The codes for the CPU are:

sSpec: SLA93 (M0)
FPO: Q720A515
Pack Date: 13/09/07 (less than 3 weeks old!)
 
Was going to buy a E6x50 until I read this thread. I bought an E2160 MO stepping (so 1.375v on the box) instead, and i'm absolutely chuffed:

P35C-DS3R / 4Gb Ballistix
Auto everything other then 333FSB, 5:6 divider and 4-4-4-12
Stable @3Ghz @ <60 deg on TAT / full load etc. and vcore shows as 1.39v-ish in Speedfan
Kept the speed stepping etc. on, so idles temps in low 20s.

That's in a Lian-Li A05B/HX520w with 2xSharkoon golf ball 1000s and a Tuniq Tower. Normal back to front airflow, two HDDs in the rack, 1x5.25 and a rear exahust ICEQ X1950PRO. Really really pleased with the noise levels - Tuniq is on <600rpm idle, and stays <1500rpm at full sustained load. It's quiet! My primary objective achieved...

Anyway - to cut a long story short, thanks for the thread guys!

Cheers,
Rich
 
I've managed to get my e2140 to 2.8 but i'm having real trouble with getitng it up to 3,

My vcore is already at 1.415v in the BIOS which seems a lot higher that most others. Also I have some other voltage controls in my BIOS e.g. Northbridge, Southbridge, HTT. Should I increase these to give me a better overclock?
 
$loth said:
On the DS3R motherboard are there any bios settings that you need to turn off before you can start overclocking?

Also, what is the stock voltage for a 2140? [edit] nm found it's 1.325

Help appreciated :)
Click to expand...

2 or 3 settings such as c1e & speedstep (I think c1e controls voltage reduction and obviously that must be turned off).
 
100% overclock! E2140 3.2GHz (400 x 8)

My E2140 doesn't have a low FSB wall after all as it reached 3.2GHz (400 x 8) with ease in a GA-P31-DS3L motherboard. Over 8 hours multi-core prime95 with it at 3.2GHz 1.325v in BIOS (vdroop ~0.075v!):



It also runs multi-core prime95 at 3.4GHz (425 x 8) but it's not yet stable and I suspect my PC2-5300 memory is now the limiting factor. :eek:
 
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