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problem with Athlon2500

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January 6, 2004 5:50:00 PM

Hi,

I have a serious hardware trouble that is bugging me. I have an ASUS A7N8X mainboard that I had bought last year. I used it with a Duron 600. Yet when I buying it, i had specifically checked whether it supported future processors. Few days ago I bought an athlon XP 2500+ and anxiously hooked it up. At first, it appeared as a 1100 MHz cpu. Then I changed some settigs in the BIOS (the FSB speed i think). I made it 166mhz. However the bios couldn't recognize it like that. I updated it, which resolved this issue: still, this was just a beginning.

When the FSB speed is set to 166mhz, the bios displays the correct speed of 2500. However after around half a minute, when windows boots-up (the same happens in my redhat installation too), horizontal lines appear on the screen (just like the ones you see when you set the display resolution too high) and the pc freezes. I noticed that my ram was a 266mhz one, so I got a new one that is 333mhz. The problems persist. Is this because of some bios settings? I am pretty sure the problem is there since when I change that system bus speed to 133 the device works properly.

How should I change them? Please help me solve this frustrating issue. I bought 2500mhz cpu and I'd like to use it at that speed, not at 1900mhz!

Thanks a lot.

More about : problem athlon2500

January 6, 2004 6:29:06 PM

The actual speed of the Barton 2500+ is 1.83GHz, not 2.5GHz. So, if you set in your BIOS the multiplier to 11 and the FSB to 166MHz then you'll get 1.83GHz, which is the correct speed.

<b>Well, AMD is 3 letters while INTEL is 5 letters. Also, AMD starts with an A but INTEL starts with an I. And finally, their last difference is that AMD ends with a D, while INTEL ends with an L.</b>
January 6, 2004 6:43:05 PM

Yes I am well aware of that aspect of amds. When I mean 1900 it is the "fake" speed. The original speed is 1,47GHz instead of 1,86 as you mentioned. When I run it under 1,86 the problems I talked about happen.
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January 6, 2004 8:03:58 PM

Have you changed the jumper on the mobo from 100 fsb to 133/166 fsb ? Sometimes this does matter, sometimes not. We also had a few people put the hsf on wrong way round. You can also look in the bios to see how your voltages are, and while you are there, try relaxing your ram timing. Good luck.
January 6, 2004 8:13:46 PM

Check:
1)Memory
2)Voltages
3)PSU
4)HSF
5)...(erm check those things first)

I doubt it's your CPU though. I've heard of a 2500+ not working at 2400Ghz but not working at 1800Ghz...

<b> A mosquito is just a small woodpecker. </b>
January 6, 2004 8:28:08 PM

I would've expected it to automatically adjust it anyway at 166Mhz, but try setting your AGP speed to 66Mhz in BIOS. Under advanced Chipset settings or something similar. since it's always a graphics thing it sounds like it might be running the AGP bus out of spec.

[EDIT]
I'm not personally familiar with the A7N8X, but the jumper mentioned earlier for switching between 166 and 133 might also be setting the default divider for the AGP bus - meaning that if it's in the 133 setting and you leave the BIOS AGP speed on AUTO, but up the FSB to 166 it'll be running the AGP at 83Mhz, which will probably give problems like yours, so either change the jumper or manually set the AGP speed to 66Mhz in BIOS.
[/EDIT]

---
<font color=red>Those of you who think you know everything are annoying to those of us who do.</font color=red> :wink: <P ID="edit"><FONT SIZE=-1><EM>Edited by ChipDeath on 01/06/04 10:32 PM.</EM></FONT></P>
January 6, 2004 8:28:51 PM

I do not think that there are jumper settings on the motherboard. I guess everything is done through bios? Right now I am running at 133mhz. I guess that should be 166? Also how do these RAM timings relax? Should I give them a massage?
Can you elaborate on the settings you mentioned? Memory, voltage.. I know what they are, but I do not know what their values should be :(  Is there a reference site that explains all these little settings?

thanks a lot for your answers
January 6, 2004 8:32:04 PM

Graffitici do you have the manual for your A7N8X motherboard.
Do you know if it is a Deluxe model ? and if it is a ver 1.0 or a ver 2.0

The reason I ask is I have a A7N8X Deluxe 2.0 version and it will not even boot unless a minimum CPU of XP 3000+ @ 333MHz is installed, as called for in the manual.

I have never seen a A7N8X ver 1.0 and cant understand how it would be able to even boot on a XP 2500+ are the 2 versions so different ?

Does your board also have the nForce2 Chip Sets as the A7N8X Deluxe ver 2.0 has ?

When we put a XP 2800+ CPU into the A7N8X Deluxe it spit it back out. System fans would come on but no post into a boot cycle. The motherboard does not list anything under XP 3000+. The 2800+ works in other boards perfectly.

The XP 2800+ supports a 333 MHz FSB and the main board is down switchable to 200MHz FSB by moving 1 jumper but the CPU still will not fire-up.


Barton 3200+ 400MHz
A7N8X Deluxe
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Maxtor DiamondMaxPlus9@80Gig
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January 6, 2004 8:39:19 PM

Either you're mis-reading your manual, or your manual is bollocks. Any Nforce2 mobo is happy with any Athlon CPU - Older motherboards might not work with newer CPUs, but anything From the thunderbird core and up (which started at 600Mhz IIRC) WILL work in a nforce2 mobo.

I don't know why you couldn't get a 2800+ to work, but there is no reason for it not to.

The Version 2.0 has a few minor differences (over a rev 1.x), but IIRC they're minor chipset revisions to officially support faster FSB speeds. An A7N8X Rev 1 is the nforce2 chipset, and a rev 2 is the nforce2 'ultra 400' chipset, which is essentially the same as far as an older CPU is concerned.

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<font color=red>Those of you who think you know everything are annoying to those of us who do.</font color=red> :wink:
January 6, 2004 8:41:05 PM

I tried to change the setting you mentioned but it didn't help. It used to be Auto before. Do you think I should trust these autos? Memory is also in the auto mode right now just like the cpu multiplier. Could there be any occasions where the auto options become corrupt?
January 6, 2004 8:44:31 PM

First of, DONT LISTEN TO SOD!

Hmm for memory I suggest <A HREF="http://arstechnica.com/paedia/r/ram_guide/ram_guide.par..." target="_new"> this link </A> I found it quite informative.

As far as voltage values, I'm not sure what the default value is, since I don't own an Athlon XP. prolly smthing like 1.6.

What type of PSU and/or HSF do you have?

<b> A mosquito is just a small woodpecker. </b>
January 6, 2004 9:08:18 PM

How many sticks of RAM do you have, and what slots on the motherboard are they in?

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<font color=red>Those of you who think you know everything are annoying to those of us who do.</font color=red> :wink:
January 6, 2004 9:11:20 PM

I will write here exactly what it says in the A7N8X Deluxe Users manual about CPU ratings.

Product Name: A7N8X
Manual Revision: Revised Edition V4 E1292
Release Date: April 2003

Page iX
Socket A for AMD Duron™/Athlon™/Athlon™XP 3000+ or higher.
400*/333 MHz FSB Support (*PCB 2.0 or later versions)

I even had to find the key binds to type the ™ symbol it is Hold the ALT key down and hit 0153 on your numerical keypad. ™

So as I said before the board does not support anything under 3000+ perhaps his older ver 1.0 does that is why I asked him.

Barton 3200+ 400MHz
A7N8X Deluxe
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January 6, 2004 9:16:17 PM

Quote:
Socket A for AMD Duron™/Athlon™/Athlon™XP 3000+ or higher.

ummm.. to me that means the <i>fastest</i> available CPU for that socket when they wrote the manual was 3000+, not that that's the minimum speed, they're just saying - "we know it'll definitely go up to the fastest one NOW, but we also know it'll support the next couple too.."

Look at it logically - is any sane manufacturer <i>really</i> going to produce a mobo which will <i>only</i> take the 2 fastest (=most expensive) CPUs available for that socket? :eek:  That's not very good business sense.

---
<font color=red>Those of you who think you know everything are annoying to those of us who do.</font color=red> :wink:
January 6, 2004 9:24:33 PM

It supports less than 3000+, hence why it says: Socket A for AMD Duron™/Athlon™ and: 400*/333 MHz FSB Support (*PCB 2.0 or later versions). It says it fully supports 333MHz FSB Athlon XPs...that's pretty much every other XP down to 2500+.

Think logically, why would Asus's prize AMD board be limited to 3000+s and above?? The majority of AXP purchasers will go for a 2500+ thru 2800+. Now that doesn't sound very smart, does it?

Maxtor disgraces the six letters that make Matrox.
January 6, 2004 9:25:43 PM

What you probably mean is that only rev. 2 supports 3000+...because that's what Asus means.

Maxtor disgraces the six letters that make Matrox.
January 6, 2004 9:26:51 PM

Think about it logicaly, a mobo supports socket A Athlons and Durons, i.e. it supports old chips running @ 1Ghz and less. Then it skips a couple years, and support starts agian at the two highest, newest Athlons. That is completely illogical and very unprobable.

Something much closer to the truth is the fact that the manual was prolly written by some chinese dude.

<b> A mosquito is just a small woodpecker. </b>
January 6, 2004 9:28:39 PM

Kingston HyperX Features:
Aluminum heat spreader for thermal diffusion
184-pin Unbuffered DDR Modules
333MHz settings: 2-2-2-5-1 (CAS Latency 2)
370MHz settings: 2-2-2-6-1 (CAS Latency 2)
400MHz settings: 2-2-2-6-1 (CAS Latency 2)
434MHz settings: 2-3-3-7-1 (CAS Latency 2) Dual-bank 512MB modules
Single-bank 256MB modules (Up to two modules per system is supported)
PC2700 PCB height: 1.200" (30.48mm)
PC3000 PCB height: 1.200" (30.48mm)
PC3200 PCB height: 1.250" (34.78mm) double-sided
PC3500 PCB height: 1.200" (30.48mm)

I am set to 434 MHz dual channel 512MB sticks.


Barton 3200+ 400MHz
A7N8X Deluxe
Liquid
2x512 KinstonHyperX PC3200
GeForce FX5900
Maxtor DiamondMaxPlus9@80Gig
SONY CD 52x
SONY RW 52x/24x/52x
SONY DVD 16x/40x
January 6, 2004 9:29:02 PM

Quote:
the fact that the manual was prolly written by some chinese dude.

Tsk, tsk...racist comments?? Anyway, you're probably right :wink: .

Maxtor disgraces the six letters that make Matrox.
January 6, 2004 9:32:07 PM

Relevancy??

Maxtor disgraces the six letters that make Matrox.
January 6, 2004 9:32:24 PM

Ok Vapor go get a version 2.0 Deluxe and plug your 2500+ into it let me know how it works out for you ok.

We already tried an XP 2800+ in that board and it dont fly and the CPU works in a A7V8X-X perfectly. Of course the main board is rated for 2500+ up to 2800+

The A7N8X Deluxe is only rated from XP 3000+ and up on the version 2.0 board.

Barton 3200+ 400MHz
A7N8X Deluxe
Liquid
2x512 KinstonHyperX PC3200
GeForce FX5900
Maxtor DiamondMaxPlus9@80Gig
SONY CD 52x
SONY RW 52x/24x/52x
SONY DVD 16x/40x
January 6, 2004 9:41:14 PM

Dude, you're being a bit stubborn again. a A7N8X-Deluxe V2.0 w/ a Barton 2500+ is a very popular combination....

Or you're right, and the rest of us are wrong.... again.... :eek: 

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<font color=red>Those of you who think you know everything are annoying to those of us who do.</font color=red> :wink:
January 6, 2004 9:42:05 PM

<A HREF="http://www.asus.com/support/cpusupport/cpusupport.aspx" target="_new">Check it out for yourself at Asus's CPU Support guide</A> I'm sure you can figure out how to use it...if you can't here are the directions:

Link: Query by motherboard
Pull-down: SocketA(462)
Pull-down: A7N8X(-E [Deluxe])

It lists every AXP and every Athlon and many Durons (not sure if all are listed--too lazy to really look since it really isn't part of the discussion). Hope that finalizes things...

Maxtor disgraces the six letters that make Matrox.
January 6, 2004 9:43:25 PM

Wuzy, what motherboard do you have?

Maxtor disgraces the six letters that make Matrox.
January 6, 2004 9:47:11 PM

yes, there are much better boards for less money

-------


<A HREF="http://www.albinoblacksheep.com/flash/you.html" target="_new">please dont click here! </A>
dhlucke - "Phew...ok my wrists are hurting. I'm taking a break."
January 6, 2004 9:50:39 PM

Nice :smile: .

Anyway, I was kind of hoping you had the A7N8X just to finally shut SoD up about this bullcrap.

Maxtor disgraces the six letters that make Matrox.
January 6, 2004 9:56:33 PM

Why are those the only three??? (pardon me for my lack of knowledge)

Maxtor disgraces the six letters that make Matrox.
January 6, 2004 9:58:44 PM

Ok it says this at the site.

Athlon XP 2800+(333 MHZ FSB)(Model 10)(Barton) 1.04 BIOS updated to (1002) Check PCB and BIOS versions before flashing BIOS!

That is the exact CPU we have but since the board wont post we cannot even get into the BIOS to update it.....

Barton 3200+ 400MHz
A7N8X Deluxe
Liquid
2x512 KinstonHyperX PC3200
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January 6, 2004 10:11:13 PM

Look man. You are wrong on this so just accept it and move on. Maybe there was something wrong with the CPU you had tried. But I have tried both rev 1.04 and rev 2.0 Asus A7N8X Deluxe booards and they work with anything from an Athlon XP 1800+ to a 3200+ (probably it can work with a slower processor as well).

No BIOS updates no nothing. Simply accept this as a fact and it won't be the end of the world for you! Do you honestly believe that a company can be stupid enough, and release a motherboard that will only be compatible with two CPUs? If your answer to this is yes, then I give up!

<b>Well, AMD is 3 letters while INTEL is 5 letters. Also, AMD starts with an A but INTEL starts with an I. And finally, their last difference is that AMD ends with a D, while INTEL ends with an L.</b>
January 6, 2004 10:12:07 PM

I think wusy is messed up the nforce chip is made by Nvidia and sold as an nforce BGA or ball array chip you cant install a none nforce chip unless wusy is making them in his basement and selling them to ASUS out his screen door.

Barton 3200+ 400MHz
A7N8X Deluxe
Liquid
2x512 KinstonHyperX PC3200
GeForce FX5900
Maxtor DiamondMaxPlus9@80Gig
SONY CD 52x
SONY RW 52x/24x/52x
SONY DVD 16x/40x
January 6, 2004 10:20:33 PM

I am going back to the shop I got the board at and telling them its fudged.

I am reasonably sure I did not fudge it. I am going to talk to the tech guy there about this because I got 2 boards the same day the last 2 they had and one works perfectly and I am not going to try the 2800+ in that one I just don't want to fudge the set-up that is working.

I am going to show him the RAM, graphics card and CPU and get the low down from his end.

They will replace the motherboard no questions asked they are good about those things.

Oh it is Kinston Ram as listed below in my current 3200+ system and we are using a GeForce 4 Ti in the 2800+ set-up and the on board red L.E.D goes out meaning that the graphics card is supported by the main board.

We have also checked the graphics card and ram in another system and they both work correctly.

Since the manual asks for a 3000+ or higher to run the A7N8X Deluxe ver 2.0 we concluded the only reason she wont boot up is because the CPU is under rated.

Going to the shop tomorrow and hash it out I will let you know.

The board could have been bad.

Barton 3200+ 400MHz
A7N8X Deluxe
Liquid
2x512 KinstonHyperX PC3200
GeForce FX5900
Maxtor DiamondMaxPlus9@80Gig
SONY CD 52x
SONY RW 52x/24x/52x
SONY DVD 16x/40x
January 6, 2004 10:49:02 PM

The jumper I mentioned earlier is on page 1-10 of the manual. It is called CPU_FSB and is on the left hand side of the north bridge. The jumper should be on pins 1-2 for 133/166 (266/333) fsb chips and on pins 2-3 for 100 (200) fsb chips like durons and tbirds.
January 6, 2004 11:30:58 PM

Gotta be the board; I've built 3 systems with the 2.0 revision of the A7N8X Deluxe. Two were with XP2400+'s, one with a XP2700+. Not a problem booting with any of the three.
January 6, 2004 11:56:30 PM

I thought you owned a shop...

Maxtor disgraces the six letters that make Matrox.
January 6, 2004 11:57:46 PM

Ohhhh...no wonder I didn't know! Well, I know what boards I have to choose from if and when I build an AXP system.

Maxtor disgraces the six letters that make Matrox.
January 7, 2004 12:00:15 AM

Sucks for you...but it's built to run the processor so don't say it wasn't anymore.

Maxtor disgraces the six letters that make Matrox.
January 7, 2004 12:05:40 AM

I do but when I went to get a few boards we had none in stock and had them back ordered so I went to the guy down the street so to speak and bought 2 from him at PC Cyber in Ottawa, Can.

As you remember we had a post going with a thread about the A7N8X boards and I wanted to get 2 home to build and mess around with.

I simply stuffed the CPU Graphics card and motherboard on the back burner until after Christmas when that system would not boot. Now unfortunately I am right back to square one and now I have to walk in 30 days after purchase and tell the guy his board don't work arrgghhh I said I would post back later tomorrow.

Barton 3200+ 400MHz
A7N8X Deluxe
Liquid
2x512 KinstonHyperX PC3200
GeForce FX5900
Maxtor DiamondMaxPlus9@80Gig
SONY CD 52x
SONY RW 52x/24x/52x
SONY DVD 16x/40x
January 7, 2004 2:53:15 AM

Lol, i'm glad somebody used that as their info. :) 

p4 2.8 533fsb
intel mobo
1gb rdram pc 800
radeon9800 pro
120gb seagate s-ata
January 7, 2004 2:56:42 AM

That's good becuase i have a vision of modding the Fak out of my nf7-s.

p4 2.8 533fsb
intel mobo
1gb rdram pc 800
radeon9800 pro
120gb seagate s-ata
January 7, 2004 6:03:27 AM

Vapour needs to work with the homeless for 12 hours a week.

Barton 3200+ 400MHz
A7N8X Deluxe
Liquid
2x512 KinstonHyperX PC3200
GeForce FX5900
Maxtor DiamondMaxPlus9@80Gig
SONY CD 52x
SONY RW 52x/24x/52x
SONY DVD 16x/40x
January 7, 2004 8:10:53 AM

Quote:
I hate when people praise A7N8X!

Just for the record, I wasn't praising the A7N8X, just saying it was popular.. Was merely pointing out that there's a LOT of people out there with that mobo and a slower XP than 3000+. McDonald's is popular but that doesn't stop it being crap.

If I was building another XP based system I'd be getting an Epox or Abit... I Like my 8RDA+, but wish I'd quietly swapped it for the one I got when building a system for a friend (as that was a rev 2.0) :frown:

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<font color=red>Those of you who think you know everything are annoying to those of us who do.</font color=red> :wink:
January 7, 2004 1:41:36 PM

Well shite I did take the board back in and they owner said no problem he will give me a new one but YES!! ...no they dont have any they are sold out....SO I got my bill and took it home with me I am waiting for him to call me when he gets another board in.

He also said they would bench test the one I returned after I asked him to.

Thing is I have a Barton core 2500+ here as well as my 2800+ also a Barton. Niether fire that board up. The owner said they should both work. I sat around on that board waiting to plunk in a 3200+ but with christmas and all I never got around to it.

Realy pissed me off the manual was so misleading right up front the board calls for a 3000+ or higher. I read the spec and accepted it that one got by me I must have been sleeping. I guess I am human after all. ergg.

He is going to try to run it with a spare 3200+ and that just sucks I wanted to know what happens if he used a 2800+

Aww well have to wait for the new board and see what he tells me about the old one.

If it fires up on the 3200+ I told him I would drop in with the 2800+ and we could plunk it in to see if it flys or not.

<-----sits next to Phone...I should shave but I like the beard.

Barton 3200+ 400MHz
A7N8X Deluxe
Liquid
2x512 KinstonHyperX PC3200
GeForce FX5900
Maxtor DiamondMaxPlus9@80Gig
SONY CD 52x
SONY RW 52x/24x/52x
SONY DVD 16x/40x
January 8, 2004 2:53:51 AM

It was simply a bad motherboard wusy the guy called me and they Bread Boarded the thing today. It would not post for them either.

Since no one can get even to the BIOS set-up we don't know what is wrong with the thing. If I had to guess I would think it is the AGP bus is faulty.


No one can claim they know every single thing about every component every company uses to build home electronics.

We can see it spool fans and power L.E.D's but that is about it.

He has another card back ordered for me. The guy that owns the store is my brother in-laws friend.

Since I expected it to run my spare 2800+ and it did nothing the first time I powered it up that is where the problem started. I read the Manual and it said min of 3000+ since the board had the new nforce chipset different from the standard KT chip-sets ASUS uses I simply took it as fact.

The fact that I had 2 main boards at home the same day and the first one booted right up on a XP 3200+ with the same Kingston ram we had in both computers also helped to fudge the thought process.

This second machine is going to be Windows 98 for a few reasons the 2800+ in that board is going to make win 98 dance perfect for a few things I have in mind.

Or we have not decided yet but we have one Server in Kingston Ontario running Counter Strike I have another one here in Ottawa running Day Of Defeat (steam) and we thought the 2800 + could make a good Unix server for the original Half Life for small player games at around 12 players.

The Server we have in Windsor Ontario runs 32 players, but it is packing it in, Half Life is old as games go and it needs to be taken off-line. My brother fights to keep it going every day now and it was a single Intel set-up that is about 5 years old now.

Barton 3200+ 400MHz
A7N8X Deluxe
Liquid
2x512 KinstonHyperX PC3200
GeForce FX5900
Maxtor DiamondMaxPlus9@80Gig
SONY CD 52x
SONY RW 52x/24x/52x
SONY DVD 16x/40x
January 8, 2004 5:48:17 PM

I'm sorry it took me so long. I have one stick of RAM.
On my motherboard there is a one alien slot, located a little farther then the two others. The booklet said that when installing one ram, one should use the single one. That's what I did. During the boot process, bios affixes
"Single Channel Mode"
after the cpu speed. Might that be the reason of the problem. I am really cluless here. I suspect that the ram settings are wrong. A benevolent friend wrote his RAM settings at the top of this thread, but I do not think that these would be the same for all the similar rams?
January 8, 2004 5:53:00 PM

I don't know what a PSU and/or an HSF is. Where should I look for these values?
!