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Smokey J
Joined: 14 Apr 2008
Posts: 21
Location: Burlington, MI
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 Posted: Fri May 09, 2008 3:04 am Post subject: |
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Ok. Now I'm just getting ahead of myself!  After somemore research I did find the answer to one of my questions right on this site...
http://www.cpu-world.com/CPUs/K7/TYPE-Athlon%20XP-M.html
It stated | Quote: | | All Athlon XP-M CPUs are based on two different cores - Thoroughbred and Barton. The difference between them is in the size of level 2 cache - Thoroughbred processors have 256 KB L2 cache, and Barton processors have 512 KB L2 cache. |
With that info in mind I don not think what is happening on the CPU has to do with the limiting on my MB. I believe the limiting factor to my MB is the FSB and regular desktop Bartons start the FSB at 333Mhz; however, mobile Bartons start at 266Mhz. I hope I am right cuz I just got a smokin' deal on a 2800+ XP-M!!! Wish me luck! 
P.S. I am going to purchase liquid cooling VERY soon, in case you were wondering! 
_________________
SOYO KT333 Ultra Plat., Athlon XP-M 2800+ W/2 ARX 50mm fans on Volcano 9 heatsink, 1.3Gb Corsair PC 2100, Thermaltake 600W PSU, Nvidia Geforce2 MX 200 vid card, 2 WD 40Gb HD, Plextor CD-R, Raidmax plexy case with 8 Chassis fans!, Win XP SP2 OS. |
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Qwerty
Joined: 20 May 2005
Posts: 3141
Location: Germany
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| Posted: Fri May 09, 2008 3:18 am Post subject: |
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I have a SOYO KT333 Ultra black edition. This board can support Bartons with 266 MHz FSB. They aren't mentioned in the manual, because such CPUs are very uncommon.
I have a very rare desktop Barton with 266 FSB - AXDA2800DKV4C.
It has 266 FSB, 512 KB L2 cache and an unlocked multiplier. I'm using this CPU for many years in the motherboard. |
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Smokey J
Joined: 14 Apr 2008
Posts: 21
Location: Burlington, MI
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| Posted: Fri May 09, 2008 3:37 am Post subject: |
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That's outstanding  I just purchased (like 20 minutes ago) a XP-M 2800+ P/N - AXMJ2800FHQ4C for 58.00USD on ebay. From what I have read you can overclock them til your hearts content. I'm all kinds of twitterpated!  Hopefully I won't burner up! 
_________________
SOYO KT333 Ultra Plat., Athlon XP-M 2800+ W/2 ARX 50mm fans on Volcano 9 heatsink, 1.3Gb Corsair PC 2100, Thermaltake 600W PSU, Nvidia Geforce2 MX 200 vid card, 2 WD 40Gb HD, Plextor CD-R, Raidmax plexy case with 8 Chassis fans!, Win XP SP2 OS. |
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Cobracon
Joined: 28 Aug 2007
Posts: 216
Location: Roosterpoot, MS; US of A (Obama country!)
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| Posted: Sat May 10, 2008 8:51 pm Post subject: |
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IMO, you'll run out of RAM capability long before you need or require the use of watercooling for the CPU.
_________________
"Have you scanned the RAM timings for Operator's Headspace?? Too much real estate between the audio collectors will block the connection which allows proper operation of your computer."_Cobra
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Smokey J
Joined: 14 Apr 2008
Posts: 21
Location: Burlington, MI
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| Posted: Sat May 10, 2008 10:02 pm Post subject: |
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Could you elaborate further on what you mean by "running out of RAM capability?" I've been thinking about getting a new MB now so I could take advantage of the fact the XP-M is capable of 400Mhz FSB, But I should be able to acheive roughly the same OC results with 266 or 400, right? I know I'm being rather general as I'm not really sure if I know what I'm talking about, so could some one point me in the right direction and add a bit of knowledge that I am more then likely missing!
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SOYO KT333 Ultra Plat., Athlon XP-M 2800+ W/2 ARX 50mm fans on Volcano 9 heatsink, 1.3Gb Corsair PC 2100, Thermaltake 600W PSU, Nvidia Geforce2 MX 200 vid card, 2 WD 40Gb HD, Plextor CD-R, Raidmax plexy case with 8 Chassis fans!, Win XP SP2 OS. |
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Guest
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| Posted: Sat May 10, 2008 11:39 pm Post subject: |
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Your best bet is going to be study up on overclocking on sites such as Overclockers.com and the like to learn a basic understanding of what overclocking does and why. Your questions reveal a basic lack of understanding on the subject. There may be lots of people on this forum who are willing to take you from square one and walk you through the guidelines step by step, but I'm not one of them, so I will back off and yield to them.  |
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Cobracon
Joined: 28 Aug 2007
Posts: 216
Location: Roosterpoot, MS; US of A (Obama country!)
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| Posted: Sat May 10, 2008 11:42 pm Post subject: |
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The above post was mine: Cobracon
_________________
"Have you scanned the RAM timings for Operator's Headspace?? Too much real estate between the audio collectors will block the connection which allows proper operation of your computer."_Cobra
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Smokey J
Joined: 14 Apr 2008
Posts: 21
Location: Burlington, MI
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| Posted: Tue May 13, 2008 4:47 am Post subject: |
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All right, frustion has set in!!!  I installed my new to me XP-M 2800+ and my bios only shows a up to a 12x multiplier, yet with my old XP 2400+ I have up to a 17x multiplier!?! According to what I have read the XP-M should have a 16x multiplier out of the box. I can crank up the FSB but the best stability I can get out of the 2800+ is about 2Ghz. This sucks being how I can bump my 2400+ up to about 2.2Ghz with a slight FSB mod. I've been all through the overclockers.com site with no available info that helps. Does anybody know of any better sites for info or does anybody have any suggestion to my new problem?  Thanks in advance.
_________________
SOYO KT333 Ultra Plat., Athlon XP-M 2800+ W/2 ARX 50mm fans on Volcano 9 heatsink, 1.3Gb Corsair PC 2100, Thermaltake 600W PSU, Nvidia Geforce2 MX 200 vid card, 2 WD 40Gb HD, Plextor CD-R, Raidmax plexy case with 8 Chassis fans!, Win XP SP2 OS. |
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Qwerty
Joined: 20 May 2005
Posts: 3141
Location: Germany
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| Posted: Tue May 13, 2008 7:24 am Post subject: |
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What BIOS version are you using?
As I said before I have a Soyo SOYO KT333 Ultra black edition.
I updated it's BIOS to 2aa9 version. I am able to set the multiplier of the CPU (AXDA2800DKV4C) up to 24x in BIOS.
Has your CPU an unlocked multiplier? |
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Cobracon
Joined: 28 Aug 2007
Posts: 216
Location: Roosterpoot, MS; US of A (Obama country!)
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| Posted: Tue May 13, 2008 7:39 am Post subject: |
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I suggested, "Overclockers.com and the like....". There are dozens of sites dedicated to the subject. No doubt there are plenty of people who frequent this site who might be willing to help. I'm a self-proclaimed expert on overclocking what I have, but am unwilling to contribute specifics on boards/processors with which I'm unfamiliar.
If you Google: 'overclocking', like I did last year, the hits will overwhelm you. I read, re-read, and re-re-read hundreds of posts on the subject in an effort to LEARN exactly what and how all the components interact when you overclock. Understanding what is happening will allow you to be smart while you experiment. You can't just wake up one day and overclock.
One thing I would do is go to Crucial, OCZ, Kingston, Corsair (take your pick, and there are others) websites and use their RAM configurator to see if your motherboard will support faster RAM than the PC 2100 (I think that's what you said you run) currently installed. Say, PC 3200. Forcing your RAM to run at too high a frequency (not unlocking the 'divider'/'splitter'/whatever you want to call it) while overclocking will DEFINITELY cause problems.
_________________
"Have you scanned the RAM timings for Operator's Headspace?? Too much real estate between the audio collectors will block the connection which allows proper operation of your computer."_Cobra
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Smokey J
Joined: 14 Apr 2008
Posts: 21
Location: Burlington, MI
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| Posted: Tue May 13, 2008 8:58 pm Post subject: |
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| Qwerty wrote: | What BIOS version are you using?
As I said before I have a Soyo SOYO KT333 Ultra black edition.
I updated it's BIOS to 2aa9 version. I am able to set the multiplier of the CPU (AXDA2800DKV4C) up to 24x in BIOS.
Has your CPU an unlocked multiplier? |
I am also running BIOS v. 2aa9. I don't know if the multiplier is unlocked? I examined the L1 lands and they are all intact, but there are other areas on the CPU with L(x) lands that have been severed. Other then the L1 area are there areas ie.- L3, L9, L12... that should be intact? I feel like a idiot because I assumed that because it was a XP-M that the multiplier was already unlocked.  I didn't think that AMD would produce a 2800+ with only a 12x multiplier!?! Well It didn't take long for me to get in over my head!  If I need to solder some lands back together that isn't a problem as I have an electronics background but I don't know where to find that kind of info (a description of the L pad layout and what they all do.) Searching Overclockers.com only talked about the L1 area and none other. I kinda figured that it would be bad to solder all the open L(x) areas back together!
Oh, and I can run up to PC2700, according to the manual, but is the MB the limiting factor or because the processor is capable up to 400Mhz FSB can I run PC3200. I think I know the answer as the MB has a VIA KT333 chipset it limits the FSB to 333Mhz therfore only allowing DDR333 otherwise known as PC2700. C, may bee I ain't so dum aftur all! 
And one more thing if it matters... the AMD P/N for my processor is AXMJ2800FHQ4C. I ran the P/N on the breakdown from this site but it doesn't state if the multiplier is or should be unlocked. I guess that is up to the brains at AMD to decide! 
Thank you for the info Cobracon. I appreciate and value your input. Same to you too Qwerty.
_________________
SOYO KT333 Ultra Plat., Athlon XP-M 2800+ W/2 ARX 50mm fans on Volcano 9 heatsink, 1.3Gb Corsair PC 2100, Thermaltake 600W PSU, Nvidia Geforce2 MX 200 vid card, 2 WD 40Gb HD, Plextor CD-R, Raidmax plexy case with 8 Chassis fans!, Win XP SP2 OS. |
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Cobracon
Joined: 28 Aug 2007
Posts: 216
Location: Roosterpoot, MS; US of A (Obama country!)
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| Posted: Tue May 13, 2008 9:59 pm Post subject: |
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See, this is what I've been talking about. I Googled "Overclocking Athlon XP-M 2800+" and got a whole slew of hits dealing SPECIFICALLY with BIOS settings to increase speed. This is one of many: http://www.overclock.net/amd-cpus/254801-can-i-overclock-my-amd-athlon.html
There's enough information available online to fill 3 sets of Encyclopedia Britannica's, but you have to spend some time and effort searching. The best part is it doesn't involve re-inventing the wheel either. GO FOR IT!! 
_________________
"Have you scanned the RAM timings for Operator's Headspace?? Too much real estate between the audio collectors will block the connection which allows proper operation of your computer."_Cobra
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Cobracon
Joined: 28 Aug 2007
Posts: 216
Location: Roosterpoot, MS; US of A (Obama country!)
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| Posted: Tue May 13, 2008 10:20 pm Post subject: |
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This is an older post, but for the most part the basics should still apply: http://www.ocforums.com/showthread.php?t=384756
_________________
"Have you scanned the RAM timings for Operator's Headspace?? Too much real estate between the audio collectors will block the connection which allows proper operation of your computer."_Cobra
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Smokey J
Joined: 14 Apr 2008
Posts: 21
Location: Burlington, MI
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| Posted: Wed May 14, 2008 12:26 am Post subject: |
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Sorry. I'm not tryin to make ya'll do all the work, I just hate going through pages and pages of useless crap only to have wasted time that could be better spent studing a site that one of you may have already known about that would have had answers to the questions presented ie.- mowing over OCs.com for any and all info related to Athlon XPs. This is why I have asked if there is a place you know of to refer me to. I'm for sure that your time is just as valueable as mine and just thought if you already knew where I should be looking then I could make better use of all of our time and anybody else who might read this post.  Thank you for the info anywho.
_________________
SOYO KT333 Ultra Plat., Athlon XP-M 2800+ W/2 ARX 50mm fans on Volcano 9 heatsink, 1.3Gb Corsair PC 2100, Thermaltake 600W PSU, Nvidia Geforce2 MX 200 vid card, 2 WD 40Gb HD, Plextor CD-R, Raidmax plexy case with 8 Chassis fans!, Win XP SP2 OS. |
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Qwerty
Joined: 20 May 2005
Posts: 3141
Location: Germany
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| Posted: Wed May 14, 2008 5:59 am Post subject: |
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| Smokey J wrote: |
I am also running BIOS v. 2aa9. I don't know if the multiplier is unlocked? I examined the L1 lands and they are all intact, but there are other areas on the CPU with L(x) lands that have been severed. Other then the L1 area are there areas ie.- L3, L9, L12... that should be intact? I feel like a idiot because I assumed that because it was a XP-M that the multiplier was already unlocked. |
I don't know if your chip is locked or unlocked. My CPU was a desktop Barton XP and yours is a mobile one - they have different L-pad layout.
My chip was produced without lock, but some of L pads on it are severed.
But I think I have an idea how to distinguish a locked CPU from an unlocked one.  When I installed my unlocked chip in the motherboard for the first time it wasn't able to determine a correct multiplier settings and didn't boot. I inserted the old CPU and set the multiplier settings in BIOS manually. Then I inserted the new CPU and increased the multiplier to 16x.
Your motherboard is almost the same as mine, that's why the similar behavior is expected. Did you have any problems booting the mobo with the chip for the first time?
| Smokey J wrote: |
I didn't think that AMD would produce a 2800+ with only a 12x multiplier!?! Well It didn't take long for me to get in over my head! |
A 2800+ Sempron has a 12x multiplier. Your chip could be possible a remarked Sempron with 333 - MHz FSB. 
Where did you purchase your chip? Is the seller trustworthy? As you can imagine the mobile Athlon XP 2800+ with 266 FSB is worth much more than an ordinary 2800+ Sempron with 333 FSB.
I've seen many different Athlon fakes on eBay. I almost purchased a faked Geode NX 2000+ (a remarked Athlon XP 2200+ ) on eBay 
It's also possible (but not very likely) that your motherboard doesn't support this particular chip type.
| Smokey J wrote: |
Oh, and I can run up to PC2700, according to the manual, but is the MB the limiting factor or because the processor is capable up to 400Mhz FSB can I run PC3200. I think I know the answer as the MB has a VIA KT333 chipset it limits the FSB to 333Mhz therfore only allowing DDR333 otherwise known as PC2700. C, may bee I ain't so dum aftur all! |
You should try to run the chip at the stock speed first! If successful - then try to overclock !
PS: I don't overclock my Athlon, but because it has an unlocked multiplier I didn't know it's correct multiplier setting when I just purchased it.
I set it to 17.5x ( 2333 MHz real clock frequency ) and It worked stable at it's default VCore ! |
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