45nm Athlon X2 5000+ which is based on Phenom II available in the UK!

I saw this on two forums:

http://www.hardforum.com/showthread.php?t=1461484

http://forums.overclockers.co.uk/sho...php?t=18068218

http://www.xtremesystems.org/forums/...1&postcount=30

Basically it seems this X2 5000+ is based on a Phenom II 920 or 940. A few people have unlocked these to quad cores!

More details:

http://www.amdzone.com/phpbb3/downlo...59a4e39e395095

This chip is readily available:

http://www.scan.co.uk/product.aspx?ProductId=31166

The chip is 45nm BTW!

I am getting confused by all these cheap AMD chips.

My friend in China said they're already selling these 5000+ at a very small premium which guaranteed unlock to quad core. I was quite tempted to get one but need at least 785G motherboard so unlock. The motherboard I got is 780G. Ended up going for a X4 620.

I ordered a motherboard that supposedly allows the ACC unlocking trick and then found out about these things.

Bought it as a practice unlocking chip really, something to have a play with. Couldn't resist at less than the price of a tank of petrol. Hey if it doesn't unlock and clock well I have a cheap spare CPU. If it does I have a nice upgrade.

It smacks of intentionality on AMD's part really. Phenom FX5000 with the cores unlocked? The name doesn't sound very accidental.

....

Quote:

---

Originally Posted by Uriel

I ordered a motherboard that supposedly allows the ACC unlocking trick and then found out about these things.

Bought it as a practice unlocking chip really, something to have a play with. Couldn't resist at less than the price of a tank of petrol. Hey if it doesn't unlock and clock well I have a cheap spare CPU. If it does I have a nice upgrade.

It smacks of intentionality on AMD's part really. Phenom FX5000 with the cores unlocked? The name doesn't sound very accidental.

---

If it unlocks we want a CPU-Z screen-shot!! :)

Shall try and take a screenshot then :)

I stupidly ended up with one of these as it was on Scan Today Only offer for just £36. I wanted an old X2 to upgrade an old AM2 board to dual core, and that seemed like a steal of a price. If I had done my homework I would have realised it was not compatible before buying let alone stuffing it in the board.

At the very least I should test that it works as it was intended which means swapping my 955BE for this dual core, so I may as well see what unlock and OC I can manage whilst I am playing :D

Sadly for my single core system I may have missed the boat on cheap dual core parts (I don't want to buy a CPU off ebay).

I bought this a few weeks ago, but still havnt been able to unlock it,

Been using an ASUS M3A78-t (it supports ACC)

i've almost given up on it but i know there are somethings i havent tried yet, it still says amd unleashing mode failed.

I might try to use an older bios or increase the voltage (tried upping vcore @ 1.40 and still nothing)

As for overclocking I wouldnt expect too much. On stock cooler mine went to 2.6-2.8 without over doing it (using amd overdrive).

Any thoughts would be greatly appeciated, thanks

Have you got the Phenom II based X2 5000+ or just the 'standard' one ?

Nope its definatly phenom based 45nm

If anyones interested here my old thread that has the pictures to prove it:

http://forums.hexus.net/hexus-hardwa...-old-pc-4.html

EDIT: Just to let you know the page you are probly interested in is page 4 the rest is just suggestions for components

After flicking over the thread you listed your CPU is reported as 2 different sockets - both 939 and 940 and AM3 is 941 IIRC - something must be a miss with the combination your using :S

Yeah i was puzzled about it too. I'm not 100% sure but i think i read somewhere that a minority of people have had trouble with cpu-z trying to identify what the hell it is.

I thought that AM3 CPUs have 1 less pin, that's why they work in AM2/AM2+ sockets but AM2/AM2+ CPUs don't work in AM3 sockets as they will have an extra pin compared to the socket and therefore it won't fit.

So I believe that AM3 does indeed only have 939 "sockets" for the processors whereas AM2/AM2+ has 940. Sounds right to me. I guess it's just confusing as Socket 939 was the previous-previous socket and then they added an extra pin socket to make it socket 940 and now it seems they went backwards haha.

Quote:

---

Originally Posted by DanceswithUnix

At the very least I should test that it works as it was intended which means swapping my 955BE for this dual core, so I may as well see what unlock and OC I can manage whilst I am playing :D

Sadly for my single core system I may have missed the boat on cheap dual core parts (I don't want to buy a CPU off ebay).

---

Athlon X2 5400+ for under £50? :) Not very cheap I admit, but not too bad either...

And if you decide to sell / get rid of the X2 5000+ let me know ;)

Quote:

---

Originally Posted by Ulti

I thought that AM3 CPUs have 1 less pin, that's why they work in AM2/AM2+ sockets but AM2/AM2+ CPUs don't work in AM3 sockets...

---

AM3 has 938 pins, AM2 has 940, but otherwise close enough :D

Quote:

---

Originally Posted by Iron Sights

Yeah i was puzzled about it too. I'm not 100% sure but i think i read somewhere that a minority of people have had trouble with cpu-z trying to identify what the hell it is.

---

A quick Google tells me that bios version 1403 should work. At least it does for PII X2 955. http://www.xtremesystems.org/forums/...227004&page=27

Quote:

---

Originally Posted by DanceswithUnix

Shall try and take a screenshot then :)

I stupidly ended up with one of these as it was on Scan Today Only offer for just £36. I wanted an old X2 to upgrade an old AM2 board to dual core, and that seemed like a steal of a price. If I had done my homework I would have realised it was not compatible before buying let alone stuffing it in the board.

---

I did pretty much the same but realised it before Scan sent it out so I amended my order.

Quote:

---

Originally Posted by scaryjim

Athlon X2 5400+ for under £50? :) Not very cheap I admit, but not too bad either...

And if you decide to sell / get rid of the X2 5000+ let me know ;)

---

They did that just to annoy me, last time I looked there was *nothing* dual core AM2 :D

I notice they have one a few quid more than that which whilst only 100MHz faster is also into the free packing price range so would actually be cheaper.

OTOH, for that 51 quid I might be able to get a motherboard for my mistake purchase that has a 710SB and unlock friendly bios :D

I had a quick look over lunchtime, and you can get a Gigabyte 760G + 710SB uATX board for 46 quid on ebuyer which is tempting. Need to check MythTV compatibility though. ASUS do a cheaper board but no ACC BIOS support.

Full sized ATX would have been better, but you really pay a premium for that don't you!

Quote:

---

Originally Posted by DanceswithUnix

I had a quick look over lunchtime, and you can get a Gigabyte 760G + 710SB uATX board for 46 quid on ebuyer which is tempting. Need to check MythTV compatibility though. ASUS do a cheaper board but no ACC BIOS support.

Full sized ATX would have been better, but you really pay a premium for that don't you!

---

This motherboard has ACC:

http://www.scan.co.uk/Products/ASRoc...SATA-RAID-mATX

http://www.xtremesystems.org/forums/...d.php?t=233254

The motherboard also has dedicated RAM for the IGP.

Quote:

---

Originally Posted by DanceswithUnix

They did that just to annoy me, last time I looked there was *nothing* dual core AM2 :D

---

They probably did this to annoy you, too ;)

You could sell the motherboard for more than £20, I reckon... ;)

Quote:

---

Originally Posted by scaryjim

They probably did this to annoy you, too ;)

You could sell the motherboard for more than £20, I reckon... ;)

---

Yeah I saw that too. Don't think I could be fussed with the hassle of reselling the motherboard though, and can't imagine a use these days for a motherboard with a non gigabit ethernet port.

I think instead I will be taking the wife to the local Chinese restaurant and spend the money on crispy duck, nom nom! :D

I'm sure a use for my currently useless CPU will turn up if I procrastinate long enough ;)

Quote:

---

Originally Posted by CAT-THE-FIFTH

This motherboard has ACC:

http://www.scan.co.uk/Products/ASRoc...SATA-RAID-mATX

http://www.xtremesystems.org/forums/...d.php?t=233254

The motherboard also has dedicated RAM for the IGP.

---

That is damn good value isn't it!

Am amazed that power stage could drive a 3.9GHz overclock though, it looks like a 95W job.

Quote:

---

Originally Posted by DanceswithUnix

... I think instead I will be taking the wife to the local Chinese restaurant and spend the money on crispy duck, nom nom! :D ...

---

That sounds like a much better plan to me :D

Quote:

---

Originally Posted by DanceswithUnix

That is damn good value isn't it!

Am amazed that power stage could drive a 3.9GHz overclock though, it looks like a 95W job.

---

The motherboard was originally around £35 or something along those lines on Scan a few months ago!!

I wish I had got one as the price has now gone up!! :(

First attempt didn't work but that was with the old BIOS that came with the board (Dated March 09). Will try a confirmed for unlock BIOS over the weekend.

Tried BIOS A09 (most recent). It recognised it as a phenom FX5000 but wouldn't boot into Windows.

I've switched to the earlier BIOS A07 which I'd seen had confirmed unlocks of dual core phenoms and I am am now typing this booted up as Phenom FX5000 x4 @ 2.2GHz.

Seems like a reasonable start. I need to go and install some stuff @ default settings and then I can try playing with my new Quad :)

Edit: Will post more once I've got everything up and running. Meanwhile:
http://farm5.static.flickr.com/4064/...7b385093_o.jpg

Awesome stuff uriel. How are you getting on with your quad?
I tried using an older bios but it hasnt worked... yet, i guess it wouldnt hurt to try some others

Things are going alright but not entirely getting my own way. It's a bit of a lottery whether I can get the unlocked CPU into Windows consistently at any speed. It regularly bluescreens from cold boots. Also got it working with the latest bios with a bit of voltage tweaking.

Once it's in Windows all seems fine. I've not yet had a crash once I'm actually in Windows. I can benchmark and stability test to my heart's content. It's quite happy looping prime95 blend and 3dmark06 @ just over 3GHz for example.

I suspect I may need to tweak the CPU-NB voltage a bit.

Edit: I never had a problem with POST @ quad. It POSTs @ stock voltages. If there's actually a defective core I've heard chips don't POST when ACC is set to auto.

Think I'm going to settle for 3 GHz unless I can sort out better cooling. 3GHz gets a little toasty, at least with the side of the case on. Airflow may help as I'm running about 6-8°C cooler cpu temp with the side off.

Booting into Windows seems consitent now so there's a sign of improvement

Need to do some stability testing to confirm but I think I'll be sticking at 3GHz for now. Looking pretty good. It's making it into Windows and doesn't throw up any Prime errors in a shortish test.

Pushing 62° though (at least with the case closed), which is the rated maximum for AM2+ Phenom IIs. May be able to improve airflow a bit but I don't want it to get too noisy.

A bit of gaffer tape, a fan and spome cable ties has pushed CPU temps down. Now 35°C idle and 55-59°C under load.

Seems to be making it into Windows consistenly now. Prime for several hours never a problem. I'll leave settings as they are for the time being.

£36 for a 3GHz Phenom II ain't bad :)

Do you have access to the cache aswell ?

Yep. 6MB L3 Cache.

Edit: http://www.cpu-world.com/step_codes/C/CACZC%20AC.html

Looks like there's another stepping of these in the wild: CACZC AC. By the look of it it's an AM3 core, used in the PII 810. 910, 710 and 720. No idea if it'll unlock.

(Mine's a CACVC AC - essentially an AM2+ 920 / 940 chip)

Quote:

---

Originally Posted by Uriel

£36 for a 3GHz Phenom II ain't bad :)

---

Quote:

---

Originally Posted by Uriel

(Mine's AM2+ 940)

---

ftfy ;)

my motherboard's here tomorrow so i'll see if i can find time off BC2 beta to try some unlocking ;)

Think I've run into a FSB wall at around 286MHz. Go over that and I start getting prime errors. Dropping RAM, NB and HT doesn't help. Dropping CPU multi in overdrive doesn't help. A bump to CPU-NB voltage really seems to have settled it down and made it reliable/usable.

Managed to drop my VCore to under 1.5 volts again. Just stress testing FSB @ 282 for 3.1GHz. HT and NB @ 2256mhz. Prime's been running for half an hour and CPU temps are 58 - 59 °C on a cheap and cheerful Freezer Pro 64. With the 5.25" bays open I can knock another 8°C off that so I'm planning to make a vent grille for them.

Amazing really - I think with a different motherboard someone else could squeeze more out of this chip. That 11x multi is going to prove awkward for some.

I may go quiet for a while once I get down to some gaming on this thing:).

Edit: From one Athlon X2 5000+ to another, that was one heck of an upgrade...

Further Edit:
I'd say it's going jolly well:
http://farm5.static.flickr.com/4069/...589e0ec8_o.jpg

I 'succesfully' unlocked my Sempron 140 to a X2 4400e, however stability seems to be an issue. Windows 7 drops the Aero theme when im in 'unlock' mode and Google Chrome or Cinebench dont run. Im using the MSI E51 and there are newer BIOS versions than the one im using so I'll update later and let you know how it goes.

Other than that, any tips for a stable unlock ?

The key for me to get it stable seemed to be CPU-NB (memory controller etc) voltage and adjusting CPU-NB / HT frequency. Not all motherboards have the option to change them though and without it I think it would be impossible to get some unlocked chips stable.

I found S&M (CPU stability test) wouldn't run until I'd got it sorted.

In my attempts to update my bios it appears ive 'bricked' the board - help guys ? :(

What stage exactly have you got to with it. Have you turned it off after the update yet?

Quote:

---

Originally Posted by Uriel

What stage exactly have you got to with it. Have you turned it off after the update yet?

---

It updated then said rebooting. It rebooted and now Im greeted with a blank screen - CPU fan spins up and thats it.

Did you clear your CMOS?

Worst case you may need to get hold of a new BIOS chip.

Edit: this may also be useful: http://www.bios-mods.com/recovery.html

I tried clearing with jumper which didn't make a difference. I've removed the battery now and il pop it back in later to see where that gets me.

Don't forget the floppy drive trick in the link I posted. Sounds less hassle than getting another chip.

Quote:

---

Originally Posted by Uriel

Don't forget the floppy drive trick in the link I posted. Sounds less hassle than getting another chip.

---

Yeah I've been looking over that, the same technique is also mentioned on the MSI website. I just need a (blank ?) floppy disc and a hard-wired keyboard to try it. After clearing the CMOS the hard drive has started spinning up again, initially it didn't do anything - a sign I hope :)

Any progress Terbinator?

I'm having a mixed bag. Getting this in event viewer

Quote:

---

A corrected hardware error has occurred.

Reported by component: Processor Core
Error Source: Corrected Machine Check
Error Type: Cache Hierarchy Error
Processor ID: 0

The details view of this entry contains further information.

---

- which means I actually do have a faulty core that's I've pummelled into a state that's just stable enough to run games, stability tests and benchmarks without errors. The error happens with the CPU unlocked at any speed. Strangely I've not yet managed to get it stable at stock speed - only overclocked.

In trying to fix the problem I did manage to squeeze a bit extra out speed wise though: http://farm3.static.flickr.com/2689/...8e010492_o.jpg

I think long term I'm going to run the CPU as an Athlon X2 for day to day and just unlock to quad for multithreaded stuff. Never know when that cache error could cause an issue otherwise eh?

No pal, thanks for asking though. Seems I'm going to have to pip for a new board, maybe go Asus this time as that the only other major manufacturer I've yet to buy from :D

Just an update: 3.3GHz is Prime Blend stable of over 8 hours.

@uriel btw what cpu cooler are you using

Freezer Pro 64. I'm getting temps of up to 56°C in Prime Blend. More usually about 52-53°C.

To get that I had to swap my 5.25" bezels for a 120mm fan and improvised filter (made out of a frying pan flat sieve cover from Wilkos). Was just over 60°C at 3.1GHz without the mod improvised case mod.

I don't think I'll be buying a better cooler. No point in throwing lots of money at clocking a £36 cpu.

Well I finally got to plug mine in, and am typing on the machine here.

Still at 2.2GHz, but with 3 cores and 6MB of L3. Had to update my BIOS.

My first unlock I asked for all cores, the system didn't boot. After a power off/on it came up saying it was using 3 cores. Happy with that for a 25 quid CPU :)

This was for our house server, so GHz isn't that important but the L3 will help and dual core is enough.

Edit to add: comes up as C2 stepping, revision RB-C2.

Quote:

---

Originally Posted by DanceswithUnix

Well I finally got to plug mine in, and am typing on the machine here.

Still at 2.2GHz, but with 3 cores and 6MB of L3. Had to update my BIOS.

My first unlock I asked for all cores, the system didn't boot. After a power off/on it came up saying it was using 3 cores. Happy with that for a 25 quid CPU :)

This was for our house server, so GHz isn't that important but the L3 will help and dual core is enough.

Edit to add: comes up as C2 stepping, revision RB-C2.

---

Where did you get the CPU from for £25??

What are the codes on the front of the CPU??

Quote:

---

Originally Posted by CAT-THE-FIFTH

Where did you get the CPU from for £25??

What are the codes on the front of the CPU??

---

Sorry, typo. Was 35 quid including vat on Today Only from Scan.:confused:

Core 3 is stubburn, given up with it.

Upped bus clock to 240MHz, any more than that and my BIOS doesn't seem to be able to maintain 800MHz or under to the RAM and it fails to boot. Perhaps I have something to learn on overclocking on this motherboard.

I have a feeling the ram in the server is the really old slow stuff, so unless I can get a better CPU/RAM ratio it won't get any overclock at all.

I shall probably keep the CPU as a 2.64GHz triple core for the weekend to check it out. When I put my 955BE back in the system I shall get the codes off the chip for you.

Not played with Orthos before, do you expect to only see 2 threads on a 3 core system?

I put a system together a couple of days ago and could unlock to 3 cores and the 6MB cache.

I could get to 2.8 Ghz did not try any more, did not stress test but put it back 2 stock speed to save power. I tried different core voltage and mem dividers but one core no go.

Still great with the extra cache and will probably be a second PC or a HTPC not sure about space for that but still pleased with the bit extra :)

The cpu is retail from Scan AG5000 ODGIBOX, £39.

Front of CPU CACVC AC D937FPMW

Gigabyte GA-MA785GM-US2H AM2+

2GB DDR2 PC3200

Gigabyte 4 heatpipe cooler + 120mm Fan

Quote:

---

Originally Posted by DanceswithUnix

Sorry, typo. Was 35 quid including vat on Today Only from Scan.:confused:

Core 3 is stubburn, given up with it.

Upped bus clock to 240MHz, any more than that and my BIOS doesn't seem to be able to maintain 800MHz or under to the RAM and it fails to boot. Perhaps I have something to learn on overclocking on this motherboard.

I have a feeling the ram in the server is the really old slow stuff, so unless I can get a better CPU/RAM ratio it won't get any overclock at all.

I shall probably keep the CPU as a 2.64GHz triple core for the weekend to check it out. When I put my 955BE back in the system I shall get the codes off the chip for you.

---

Box code please??

Box says: AD5000ODGIBOX, so one letter different from the one Switchmode has.

The hologram sticker says 9K686202 if that means anything.

Quote:

---

Originally Posted by DanceswithUnix

Box says: AD5000ODGIBOX, so one letter different from the one Switchmode has.

The hologram sticker says 9K686202 if that means anything.

---

What does it say on the CPU??

Which version of CPUz are you running? Mine comes up as stepping 2, revision C2 running 1.53.1.

Quote:

---

Originally Posted by DanceswithUnix

Box says: AD5000ODGIBOX, so one letter different from the one Switchmode has.

The hologram sticker says 9K686202 if that means anything.

---

Mine is the same I put the space to make it readable. Hologram 9K434340.

Quote:

---

Originally Posted by switchmode

Mine is the same I put the space to make it readable. Hologram 9K434340.

---

Your code starts AG, mine starts AD?

Quote:

---

Originally Posted by DanceswithUnix

Your code starts AG, mine starts AD?

---

Sorry mine is AD as well my mistake.

I should have double checked, I thort you meant the space I had put to differentiate the zero and the "O" .

Well the experiment went well, I played quite a bit of World of Warcraft which drove all 3 cores at about 50% and no stability problems.

Only did about 15 mins of Orthos, but then it would only drive 2 of the 3 cores so had to play with the core affinity in process manager.

Code from front: CACVC AC 0936BPEW

That is 2009 week 36 isn't it? Would make it a fairly old chip for one that has just turned up on the market.

Went to order that Asrock motherboard, and noticed that Scan had an M3A78-T on offer reduced from 87 quid to just 51, and I managed to order one *just* before the page changed!

The X2-5000+ stepping C2 is on the supported list, and it seems to have SB750 with unleash mode :)

Now I'm confused.

So this is an Athlon II part?

I thought because it was an Athlon X2 64 that meant it was an old chip! So if an AM2+ board supports an original Athlon X2 64 5000+ in BIOS version 1, does that mean that this will also be supported? Or does it need a BIOS update?

Quote:

---

Originally Posted by snootyjim

Now I'm confused.

So this is an Athlon II part?

I thought because it was an Athlon X2 64 that meant it was an old chip! So if an AM2+ board supports an original Athlon X2 64 5000+ in BIOS version 1, does that mean that this will also be supported? Or does it need a BIOS update?

---

I also thought it was an old chip, bought it for an old motherboard where it doesn't work.

This part is marked as "socket AM2+", and as stepping C2 in motherboard compatibility charts. It is a Phenom II with most off the chip turned off.

Quote:

---

Originally Posted by DanceswithUnix

The X2-5000+ stepping C2 is on the supported list, and it seems to have SB750 with unleash mode :)

---

It'll need a BIOS update for it - I grabbed one of those for a mate and it's a lovely mobo but it seems to ship with a very early BIOS revision (doesn't even recognise a Phenom II X4 940!). Current BIOS version is 1701 - I think unleashing mode was introduced in 1501? But once you've flashed it it should be a monster :D

Quote:

---

Originally Posted by snootyjim

Now I'm confused.

So this is an Athlon II part?

I thought because it was an Athlon X2 64 that meant it was an old chip! So if an AM2+ board supports an original Athlon X2 64 5000+ in BIOS version 1, does that mean that this will also be supported? Or does it need a BIOS update?

---

It's pretty much unique. It's closer to Athlon II than it is to Athlon but all the Athlon IIs are AM3, while this is AM2+. It's basically a Phenom II 920 / 940 with half the cores and L3 cache disabled plus a hefty downclock.

X2 5000+ is a bad name for it though. I can see a lot of people with older motherboards buying this, not realising it will require a BIOS update that may never come in some cases.

Quote:

---

Originally Posted by Uriel

X2 5000+ is a bad name for it though. I can see a lot of people with older motherboards buying this, not realising it will require a BIOS update that may never come in some cases.

---

I notice that HP sell a dx2250 machine which looks from the spec like it uses this CPU (2.2GHz 5000+, not 2.6GHz like the original was). My guess is HP wanted this chip for some marketing purposes, and now they are turning up on the general market.

Quote:

---

Originally Posted by scaryjim

It'll need a BIOS update for it - I grabbed one of those for a mate and it's a lovely mobo but it seems to ship with a very early BIOS revision (doesn't even recognise a Phenom II X4 940!). Current BIOS version is 1701 - I think unleashing mode was introduced in 1501? But once you've flashed it it should be a monster :D

---

Did you manage to upgrade it with the new unrecognised chip? I could put the old 3000+ in there for the re-flash, but would rather not faff about like that.

Quote:

---

Originally Posted by DanceswithUnix

Did you manage to upgrade it with the new unrecognised chip?

---

Although it wasn't recognised the X4 940 was running correctly @ 3GHz with all cores operating normally, yeah. I've not actually flashed the BIOS - I was building for a mate, and although the risk is small I decided I'd rather not brick his new mobo so I just told him that it was running OK but it wasn't recognised and he might want to think about flashing the BIOs himself at some point if it started causing issues!

He's not a particularly good mate, mind...

New motherboard came today: Asus 785GTD M-EVO.
Any tips for a stable unlock. Just turning on AAC/Unleashing and leaving the voltages on auto doesn't do the trick, sadly. :(

Flash it to the latest bios. There should be selective relocking of unlocked cores; you may still get a tricore.

GL!

Some people try and lower the multi or give a Vcore bump. Not sure it really helps.

Quote:

---

Originally Posted by Domestic_Ginger

Flash it to the latest bios. There should be selective relocking of unlocked cores; you may still get a tricore.

GL!

Some people try and lower the multi or give a Vcore bump. Not sure it really helps.

---

I'm on 9010 BIOS revision, the next one up: 9015 is for stability regarding a Samsung RAM module.
AFAIK i won't be able to get a tri-core as the Sempron is a cut down native dual-core design.

I could really do with knowing what the NB standard voltage is as the BIOS doesn't tell you :(

ooops sorry I thought you were trying a 5000+; teach me not to read what is being written!

Sorry I meant CPU voltage but that is for 550's and the like. You can tell by booting into windows and looking in diagnostic software. There should be a prog with the mobo; GB supplies easytunes or try CPUz (not sure though).

I think you may have a duff core I'm afraid.

I can get into building by turning on ACC and Unleash mode but stability is an issue. Prime starts up and quits equally fast and WEI won't finish. IS there any hope of giving these new cores some stability by more Volts, if so how and any other suggests ofc! :)

Stupid AMD rebranding :rolleyes:

Quote:

---

Originally Posted by nibbler

Stupid AMD rebranding :rolleyes:

---

It could be worse!! It could be.....nRebranding(tm)!!

A very good point :lol:

Quote:

---

Originally Posted by Terbinator

IS there any hope of giving these new cores some stability by more Volts, if so how and any other suggests ofc! :)

---

Mine gets unstable if I reduce core voltage, so I'd guess that increasing core voltage should help it become more stable. The stock voltage for the Sempron 140 is 1.35V, and I think the stock for the Athlon II X2s are 1.45V, so it might be worth giving it a 0.1V bump on VCore. I can't remember the exact setting off hand, but I could check for you (I have the same motherboard!).

Quote:

---

Originally Posted by Terbinator

I can get into building by turning on ACC and Unleash mode but stability is an issue. Prime starts up and quits equally fast and WEI won't finish. IS there any hope of giving these new cores some stability by more Volts, if so how and any other suggests ofc! :)

---

Right - some settings for you as an example (caution advised - if anyone messes up something - don't blame me). Please note my motherboard is rated to take CPUs up to 140w. Many motherboards won't cope with taking a Deneb with power consumption this high. Check with your motherboard manufacturer - worst case mosfets melt and / or BOOM. Any overclocking should be done gradually and patiently - pushing higher a little at a time and testing higher settings.

Mine was completely unstable unlocked at auto voltages and speeds. Currently running 1.425 vcore (as set - reads 4.7ish in speedfan) and +300mv vCPU-NB at 3.3GHz, 2.1GHz (NB), 1.8GHz (HT) (stock for phenom II 940 is 1.175 vCPU-NB so about 1.475 *I hope*. More worryingly stock for the Athlon X2 5000+ 45nm is 1.4. I don't really want to be running 1.7v. Have emailed my mainboard manufacturer for clarification but hey - it's a cheap chip :)). I needed to give RAM voltage a boost too to get stable at higher speeds. Also bumped up v NB Core and v NB PCI-E by 50mv each. These settings are solid for me. Prime Blend passes 8 hours. IBT (5x) and S&M (standard test) both pass. I had to work hard to get my temps down, installing a new intake fan from the 5.25" bays below my optical drive (my CPU cooler is an Arctic Cooling Freezer Pro 64 but in all honesty I think these chips need something more when overclocked).

While looking for stability, keep CPU-NB speed (don't forget the frequency as well as multiplier) in the 1800 to 2100 range (if it's too low errata occur and you'll BSOD). Drop HT Frequency and RAM speed right down and manually set your RAM timings to the loosest recommended by your manufacturer. If you find stable settings for the CPU you can gradually bump everything back up.

Please note - I've never managed to get the CPU stable as a quad at the standard 2.2GHz (+ 1.6GHz NB/HT). I got here by clocking what I thought was a duff chip so caution went somewhat to the wind). First stable settings I found were about 3.0 GHz.

Keep an eye on temps as well as voltages. AMD recommend maximum 1.5v for both vCore and vCPU-NB on air. Maximum overall CPU temp (not individual cores) is 62°C but I would say if you get over 55° much you need lower voltages or better cooling.

Edit: S&M is a great test for this. It wouldn't run at all until I'd got the CPU-NB stable. Careful with S&M though. Temps go a fair bit higher than Prime95.

Ahhh all these factors are so confusing. Why cant it be so simple liek Core 2 and to a lesser extent Core i3/5/7 :( So i should try:
CPU: 1.425
CPU-NB (WTF is this BTW): ?
NB: 1.25v (?)

CPU-NB is the memory controller and L3 cache on the CPU die.

vCore gives power to the actual CPU cores, plus the L1 and L2 cache.

Maybe this will be informative: http://game.amd.com/us-en/content/pd...ning_Guide.pdf