Overclocking FX-55

vrmuds

Member
Dec 2, 2003
44
0
0
I have the FX-55.. How high a voltage should I safely go? I've been watching the temps. Also, the voltage I'm setting in the bios is different that what's showing up in CPUz.. I've already found out how high my HTT can go. I'm currently trying to figure out out how high the proc can go... I've been using the Artic-Cooling Freezer cpu heatsink.. So far, it's been staying about 43C under load....
 

sangyup81

Golden Member
Feb 22, 2005
1,082
1
81
How's your Power Supply? It's not unheard of for motherboards to undervolt or overvolt. As long as it's not too much of a difference, it's acceptable. And how much does your CPU voltage fluctuate under load?
 

caboob

Platinum Member
Mar 31, 2000
2,214
0
76
10% above the default voltage is the widely accepted range. So you have 0.15V to give.
 

Amaroque

Platinum Member
Jan 2, 2005
2,178
0
0
10% is considered the "safe zone" for air cooling.

I've never heard of your HSF. You may want to consider a different one if you want a good OC.
 

vrmuds

Member
Dec 2, 2003
44
0
0
I'm using Enermax's Noisetake 600w Power Supply.. I've been running the cpuz program and what I'm setting in the bios for cpu voltage and what I'm seeing in the program are different. Particularly the program is display a lower voltage than what's set in the bios.
So, what should I be using as a true measurement?? The program or the bios?

I'm using DFI's sli-dr motherboard.

O'm also using OCZ's VX memory that run PC-4000 2-2-2-8

I'm getting my second Asus 6800GT video card today.

As for a heatsink.. I've been hearing about the xp-90 and xp-120... Are these any good?

I was doing further research and just found out how to increase the available voltage for the proc. Currently, the max listed is 1.55V.. I have learned a lot on these boards and have to thank everyone who's helped by contributing their past experiences. It's been a great pleasure!! Now, I can't wait to get home and do further testing!
 

Solutions

Member
Feb 2, 2005
90
0
0
Originally posted by: vrmudsI'So, what should I be using as a true measurement?? The program or the bios?

I would make sure you have the latest BIOS flashed (sometimes they make the temp readings more accurate with a BIOS update). I would tend to believe the BIOS more than a program because it's my understanding that the program is getting its temp reading from the BIOS anyways.... (could be wrong). If you are really concerned you could get a voltmeter (VMM) from Radio Shack for about $10 and test the PSU/ATX connector with that.

 

vrmuds

Member
Dec 2, 2003
44
0
0
Originally posted by: Solutions
Originally posted by: vrmudsI'So, what should I be using as a true measurement?? The program or the bios?

I would make sure you have the latest BIOS flashed (sometimes they make the temp readings more accurate with a BIOS update). I would tend to believe the BIOS more than a program because it's my understanding that the program is getting its temp reading from the BIOS anyways.... (could be wrong). If you are really concerned you could get a voltmeter (VMM) from Radio Shack for about $10 and test the PSU/ATX connector with that.

I've already flashed with latest bios version. I do have a meter, but I'm not sure what totest it on.
 

vrmuds

Member
Dec 2, 2003
44
0
0
Originally posted by: Accipiter22
geeeze man that's one hell of a system...why do you even need to OC it?

I'm not quite done with it. After I finish sleeving the power cables with UV sleeving, I will look for some UV lighting.. I do want to pick up 4 more 300GB hard drives. As to why OC it? Why not? I'm only looking for some modest gains, and not the most possible.

Oh, I'll be posting some pics of the beast if any of you are interested....
 

Amaroque

Platinum Member
Jan 2, 2005
2,178
0
0
Originally posted by: vrmuds
As for a heatsink.. I've been hearing about the xp-90 and xp-120... Are these any good?

The XP-120 is the best A64 HS you can buy rite now.

Originally posted by: vrmuds
I do want to pick up 4 more 300GB hard drives.

At your price level, I'd recommend the 16 MB cache 300 GB Maxtor's. They are the fastest 7,200 RPM drives you can buy rite now (PATA, or SATA), and they are almost as fast as my 10,000 RPM Raptors. To tell you the truth, I'm quite amazed that they rival my Raptors in performance.
 

vrmuds

Member
Dec 2, 2003
44
0
0
What about the xp-90? I've read about the 120 and it's a tight fit and I don't feel too comfortable about that.

I already have 2 of those drives you're talking about. I want another 4.
 

Amaroque

Platinum Member
Jan 2, 2005
2,178
0
0
Originally posted by: vrmuds
What about the xp-90? I've read about the 120 and it's a tight fit and I don't feel too comfortable about that.

I already have 2 of those drives you're talking about. I want another 4.

The XP-90 is highly recommended also. Just out of curiosity, what do you need 1.8 TB of storage for?
 

vrmuds

Member
Dec 2, 2003
44
0
0
Originally posted by: Amaroque
Originally posted by: vrmuds
What about the xp-90? I've read about the 120 and it's a tight fit and I don't feel too comfortable about that.

I already have 2 of those drives you're talking about. I want another 4.

The XP-90 is highly recommended also. Just out of curiosity, what do you need 1.8 TB of storage for?

Well... I wanted to use 2 drives in mirror to install the OS and Apps on... I was thinking of setting up a raid 5 set across 3 or 4 drives to install my games on, store my pics, mp3s, file downloads, etc.. So, that's a range of 900GB-1,200GB usable disk space whether or not I use a 3 or 4 drive raid 5 set. Think that's a bit much??
 

Amaroque

Platinum Member
Jan 2, 2005
2,178
0
0
Well, people seem to think I'm crazy with my 1.25 TB of storage...

This is what I do. 2x 74 GB Raptors RAOD 0 (boot). 2x 300 GB Ultra16 Maxtor's RAID 0 (storage), and 2x 250 GB RAID 0 (backup).

I don't have the 500 GB array online 24/7 due to the fact that I can't run a 250 MHz bus with them running. So I just do periodic manual backups.
 

vrmuds

Member
Dec 2, 2003
44
0
0
I was a bit upset yesterday..... I received my shipment from newegg. I ordered an asus extreme 6800GT card. I got the box. I already had one and this was the second for my SLI setup. I looked at the card and it looked drastically different. I tried to set it up in SLI and didn't work.. This card looked very familiar to me, so I checked newegg's web page and looked through the pictures... To my shock, I found out it was an evga 6800gt card in an asus extreme 6800gt.. Boy was I upset. I called newegg and they're rma'ing it for me, and I had to ship it back ground cause it was way too expensive for air.. So, I'll be out the second card for probably 2 weeks. I've ordered tons of stuff in the past from them, but this is the first time I've had this happen... Even though I'm a bit upset, I'm actually very pleased with newegg and I will try not to let this thing change my mind about them.... Anything similar happen to any of you?

After looking again, it could of been a MSI board... There was no sticker on the fan.
 

Technonut

Diamond Member
Mar 19, 2000
4,041
0
0
I had to ship it back ground cause it was way too expensive for air.. So, I'll be out the second card for probably 2 weeks.

You would have been much better off shipping it by USPS Priority Mail / Delivery Confirmation.

I have shipped all of my Newegg RMAs like that. It only takes 2-3 days from my PO in Virginia to California....

EDIT: Flat Rate Priority Mail is only $7.70 for up to 70 lbs... Delivery Confirmation is free if you print the label from the USPS website...
 

ScrewFace

Banned
Sep 21, 2002
3,812
0
0
I've seen one guy overclock his Athlon 64 FX 55 (2.6GHz) to over 3.2GHz! That's a 23.07% overclock and I believe he only had to raise his voltage by .05 volts! If I could afford it I get one in a New York minute, know what I'm sayin'?
 

Charlie22911

Senior member
Mar 19, 2005
614
231
116
well if you had dry ice or something you could pump the vcore above 2v and see what overclock you could get. its my understanding that voltage is not what kills a cpu (within reason), its heat and if you can disperse heat you are fine.
 

Amaroque

Platinum Member
Jan 2, 2005
2,178
0
0
Originally posted by: Charlie22911
well if you had dry ice or something you could pump the vcore above 2v and see what overclock you could get. its my understanding that voltage is not what kills a cpu (within reason), its heat and if you can disperse heat you are fine.

This is not true with an A64. Too much Vcore will kill the on die memory controller. People were frying A64's left and right with too much Vcore. I don't remember which site. It was one of the extreme overclocking websites.
 

piddlefoot

Senior member
May 11, 2005
226
0
0
l own an fx 55 , l play games like far cry ,bfv, hl2, doom etc and its the best cpu ive ever seen, its accompanied by an x800xt and 2 gig of pc3200 ram, 4x 512 dimms, lve got my x800 s core at 533 and its mem at 555, ive had the fx55 overclocked but l believe for the gain its not worth the risk without hi cost cooling, lm in north queensland australia , l have 9 odd hi power 9000rpm fans in it now, it runs cool as , the way it should , the 3500amd l have overheats, l cant stop it, the 3200+ is l beleive a better 32 bit application cpu, l dunno but l would rate the 3500 at 3300, it was a dismall step up when l bought it ,the fx 55 has a totally crazy heat sink with heat pipes inserted into the heat sink itself at factory, if you get alot of cool air over it , its cooling abilities are quite good, never as good as water but whadda ya do, l run fraps , media player, and team speak, l record with fraps at 40 to 45 fps my vid settings are at mediem for recording andres 600x800, the cpu, sata hard disc s ,ram and mo board get a mad work out, and it doesnt lag, the 3200 could do it to but would lag spike on big pollygons, = cpu lag, l dont overclock the fx55, l will in the future as it dates but for now l see no need at all, it rocks as it is and id pit it against any intel with an x800...............
 

piddlefoot

Senior member
May 11, 2005
226
0
0
oops ..........fx55 , x800xt , 2 gig ram, sata 2 x 120 gig ....................3200+, x800pro , 1.5 gig ram,2x80 gig sata hd.....................2600+ amd , fx5600 nividea, 1 gig ram, 2 x 60 ide hd.....................scarry old duron ...................scarry old intel.....................1800+amd, 1 gig ram, 128meg ti 4200 nividea, 1 x 60 gig hd.Years of a hobby there................................
 

Leper Messiah

Banned
Dec 13, 2004
7,973
8
0
generally FX-55s are rather poor OC'ers. I think the max most people get on air is about 3ghz, which is nothing to sneeze at, but for almost a $1k, its rather expensive for the performance. My whole system cost less than your proc, and I get 90% of the CPU performance and maybe 75% of your gaming performance.
 

Zebo

Elite Member
Jul 29, 2001
39,398
19
81
No one knows, everyones guessing. used to be AMD told us safe Vcores in tech docs not so anymore.

My "guess" is 10% is safe since I've never heard of any processor failing with that. But these aint bartons either where you can abuse them, push 2.2Volts, w/o reprocussions.. You will destory chip.
 
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