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  Help with ASUS A7N266-VM 
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Robert Shores Sep 11, 2003, 04:00am EDT Report Abuse
>> Re: HELP!!! ASUS A7N266-VM
Re: HELP!!! ASUS A7N266-VM
I have a brand new PC, ASUS A7N266-VM, AlthonXP 2200+, 256mb DDR, Inno3D GeForceFX 5200, 20 Gb Seagate HDD and a 52x CD-ROm drive. I got it from the shop and it came with an eval copy of XP Pro installed. When I booted my own XP Pro from the CD and I reformated the HDD (via XP's Setup), the monitor just went blank (after reaching 20% or so, i left for a while to check on another PC). Now my PC won't power up. The HDD LED lights up but that's about it.

Re: HELP!!! ASUS A7N266-VM
>The HDD LED lights up but that's about it.

My bad, I meant the motherboard LED.

Re: HELP!!! ASUS A7N266-VM
I changed the PSU then the thing worked fine again.

Then after running a game (Praetorians), it died again after a few minutes of gameplay.

Re: HELP!!! ASUS A7N266-VM
I had the PSU replaced for the SECOND time today and the thing was running fine, I even had it running for over an hour straight. Then when my brother loads a game, it just dies!

It tells me you're not paying attention, Milt. Reread Franks posts. The first time it died was when he was just trying to install Windows XP. I doubt the Northbridge was getting too hot at that point. Next he changed the power supply and it worked fine. Then after running a game for A FEW MINUTES, it died again. Then he replaced the power supply AGAIN, and it worked fine for over an hour. He doesn't say he was game playing. Then his brother loaded a game and it died. Notice how he doesn't give the specs of the power supplies he been installing. I'll stick by my power supply theory.

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Mike Pacheco Sep 11, 2003, 11:04am EDT Report Abuse
>> Re: HELP!!! ASUS A7N266-VM
You're going to stick with the theory that he needs a 430w PSU?? :D

FYI: I currently run a P4 2.53GHz@3.15GHz (@1.675v) cooled by a monster Tornado fan on a Canterwood chipset mobo with (2) 256Mb DDR400 Ram (@1.7v) in dual channel, Radeon 9700Pro, dual ATA133 (7200 rpms) HDs in RAID, (2) optical drives, (all the other normal stuff like optical mouse, std k/b (bla bla)), 3 intake case fans, 3 exhaust case fans and 3 CCFL all powered by my Vantec 420w PSU without any power problems.

And you're saying.....he needs a power supply as powerful as mine to run his configuration. :/ Hmmmm, stick with circuit design because you would drive a lot of companies bankrupt if you were ever hired as an IT administrator. ;) lol

I'm sticking with the theory that his CPU is either getting too hot during CPU load times or he needs to try a good quality PSU (whether 200w or 500w).

Anyway, Frank hasn't replied in a while and I don't think he's coming back anytime soon so our argument may be a moot point at best, unless <hint> he offers any more insight.

Robert Shores Sep 11, 2003, 09:32pm EDT Report Abuse
>> Re: HELP!!! ASUS A7N266-VM
Looks like my power supply is is bigger than yours. I graduated from
Tim Allen University....majored in MORE POWER. hahaha

Milt Sep 11, 2003, 10:08pm EDT Report Abuse
>> Robert & Mike
And my PSU is smaller and cheaper than either of yours, but it works!

I'm using the same 200 watt Enhance on both the systems below...

Maybe it has something to do with the QUALITY rather than sheer outright POWER

And you're right... I think Frank's gone the way of the Do-do bird... thanks Frank!

Phil Reid Sep 11, 2003, 11:03pm EDT Report Abuse
>> Re: ASUS A7N266-VM & PSU conflicts

Robert Shores Sep 11, 2003, 11:44pm EDT Report Abuse
>> Re: HELP!!! ASUS A7N266-VM
What's the model number of the Enhance 200W power supply so I can look up the specs.

Milt Sep 11, 2003, 11:57pm EDT Report Abuse
>> Robert
Here's a couple of links... the mfg is first, then a reseller where I got my 2 / $45 US

The thing I like about them (aside from the fact that they actually work) is that they are only 1/2 the size of a regular ATX PSU.
Which leaves more room around the CPU in micro ATX cases.

Bob Coyne Sep 12, 2003, 01:23am EDT Report Abuse
>> Thanks to this site
I registered here mostly to say thank you too the people taking time to help others. I just bought an A7N266 VM/AA board and I wish I would have found this site first BEFORE I went and bought it.

I am Running a AMD Duron 1.3G
128M DDR PC2100 Ram
64M Geforce 4 Video card
a CD burner and CDROM

I read almost every page in this topic trying to fix my problem.

The board would not post. Had the green light, the fans kicked on but nothing didnt even activate the moniter. I had tried changing Ram, Changing CPU's, I insulated the motherboard from the case. Changed the jumper settings to 100 and back to 133 . All of that and I could not believe the problem when I found it. The Power Supply!!!! (oh and I did have to set it to run at 100/100 for the jumper settings) I was in denial because of all the lights and fans working. Had it not been for the million posts about chaning PS's I probably would not have really checked that. But Im glad I did. Now everything is running smooth.

So a great big THANK YOU!! To everyone that takes the time to help other people.

And thanks to Google search for bringing me here.

Mike Pacheco Sep 12, 2003, 10:23am EDT Report Abuse
>> Re: HELP!!! ASUS A7N266-VM
Wow, Milt. 13A on your 12v rail, that is really impressive. lol
What else are you running in that rig though??
I couldn't find your 12v rail voltage. ;) What's it normally at? And how stable is it under load?
Hmmm, I was thinking of building a Media PC and that looks like the PSU to get!!

BTW, no matter how many times I see your O/C post, I'm still amazed. Good job!! Both of those are with the XP1700+?

So what are you saying, majored in Power Engineering too? ;) j/k

Robert Shores Sep 12, 2003, 12:56pm EDT Report Abuse
>> Re: HELP!!! ASUS A7N266-VM
Thanks for the power supply info. It's interesting that you mention the physical size of your power supply. I bought an Enlight Micro case EN-7350 to use to build one of these systems. I got the other parts from 1700+ cpu , two 256 Crucial , Seagate 80gig.Lite-On Black CD-RW/DVD LTC-48161. The case included a Powerlink 300W LPM2-20 power supply with these specs 3.3V-22A, 5.0V-30A, 12V-14A. It's a strange physical size..150mm wide, 86mm high, and 126mm deep. Shorter in depth than a standard ATX supply.The Lite-on drive is also about an inch shorter than a regular drive. Regular size drive and standard ATX power supply will not fit in this case. I'm waiting for the Lite-On DVD burner +RW and -RW to come out to put the finishing touch on this system. This system works great with Windows XP pro installed and this relatively small power supply. I don't play games or overclock though. I also have the Coolermaster AERO 7+ CPU fan with Artic Silver Ceramique heat sink compound.

I don't really reccomend this supply, but it's cheap($13.00)and it will work for my combination. I use the Antec True Power 430W now. The 330W True Power will work fine too, but when I got the 430W, it was the best price per watt.
Link to Powerlink 300W power supply:

joe jones Sep 12, 2003, 03:06pm EDT Report Abuse
>> Re: HELP!!! ASUS A7N266-VM
Can you run a Barton 2500+ on this board ? I'm guessing you cant cause its a differnet FSB by i'm just checking anyway cause im doing a bit of upgrading and want to get the best i can, i'm looking at a 2400+ if not, that seems the highest you can go ?

Milt Sep 12, 2003, 03:21pm EDT Report Abuse
>> to Bob Coyne
A big thank you for the "thank you"

We don't often get that here, so it is really appreciated when somebody does say it.

I find it particularly frustrating when someone like Frank, that several people here are trying to help, just disappears into the woodwork.
We'll never know if we were able to help or not!

As you found out, it seems this mobo is VERY picky about WHICH PSU is used.
It doesn't seem to care about the total power rating, or even the TCO, so what is it?
We don't know, YET! But we're working on it!

Robert Shores Sep 12, 2003, 03:27pm EDT Report Abuse
>> Re: HELP!!! ASUS A7N266-VM
I've never tried it myself...but have read the Athlon XP 2600+(266FSB)(Model 8)(Thoroughbred) works. It says it will on the Asus site with the right bios.


Milt Sep 12, 2003, 03:29pm EDT Report Abuse
>> to Joe Jones
This mobo, as it comes from the factory can not run any higher than 133/33/133

But, if you do the 'solder mod', as detailed on page 10 (I think), of this 15 page thread...
you will open up the FSB selections in the CMOS so you can select from 100 to 181 FSB
And the Barton runs at 166, so you'll even be able to overclock the Barton

That's how I get my 1700+ to run at 176 MHz
(a 'clickable' link is in my signature, below)

Milt Sep 12, 2003, 03:59pm EDT Report Abuse
>> to Mike
The 12v rail on these 200 watt Enhance PSUs is low on both systems.

One (the Asus), is currently running between 11.61 and 11.73, and the other (the PCChips M810) is 11.63
Both systems are using the AXDA1700DLT3C, both overclocked ~ 1 gig

Neither system is 100% stable at these elevated speeds, so the way I work it is to gradually crank it up to the absolute maximum speed I can get, take a screenshot, and then back it down to a more reasonable overclock, like 2319 MHz on 1.79 vCore for the Asus, and 2400 MHz at 1.87 vCore for the M810

The Asus has turned into my 'main machine' now, and it's rock stable at 2319 (13.5x 172).
The ONLY game I play is Grand Prix 4, and even that's not all that often.
But even using the on-board GeForce2 I get very good performance in GP4 (frame rates of 24 ~ 30 with everything set to 'highest)
The on-board depends entirely on the speed (bandwidth), of the system DDR for it's performance, so I'm thinking of lowering the multiplier a notch again (I use the wire-in-the-socket trick), so that I can raise the FSB and still be stable.

But, even I hesitate to mess with a system that is now working beautifully, just the way it is!

I hope I've answered all your questions???

joe jones Sep 12, 2003, 04:05pm EDT Report Abuse
>> Re: HELP!!! ASUS A7N266-VM
yeah thats good news about the barton cause my board is unlocked, only other thing would be ive got pc2100 RAM , would i still be able the run the barton at say about a 160 FSB?

Milt Sep 12, 2003, 04:14pm EDT Report Abuse
>> to Robert

Robert Shores Sep 12, 2003, 04:37pm EDT Report Abuse
>> Re: HELP!!! ASUS A7N266-VM
Tell me what you think of this idea. I have an old AT case and was wondering what to do with it. I'm thinking of buying three of the $8.00 400W power supplys you listed and making one big power supply unit using that AT case. That will be 1200W PSU for $24.00 Think it will work?
Talk about MORE POWER! Using 10 for a total of 4000W.....naaaaaaaa!!!!

Ramesh Balakrishnan Sep 12, 2003, 06:27pm EDT Report Abuse
>> Re: HELP!!! ASUS A7N266-VM
I bought a A7n266 MB V1.05 and the person who sold it to me said he could not get the onboard audio work. I had lot of problems in getting the OS loaded. Once I loaded the OS, Asus probe kept warning that +12 V was consuming as much as 13.86 V and the system was pretty unstable though I was using a 300W PS.I then pulled a 250W PSU from compaq 7000 series and I had solved that problem. Thank god I did not have to go through the problems which most others had to go through. Loading the drivers was a big pain.
The cpu temp is around 65 degre centigrade. I have ordered forArctic Silver 3 Thermal Compound and I hope that that would help me solve the problem of overheating.
Alas I found that if one can load all the drivers and make the sound, video and Lan work on a ASUS A7n266-VM ...... well that person can make any computer work!!!!
I have 512 MB DDR
256 MB of PNY 2100
256 MB of Kbyte 2100/2700 and both have CL of 2.5.
my processor is XP 2400+
I have a dvd as well as a cdrw drive installed.
After all the toil I am amazed at the speed at which this system works.

Milt Sep 12, 2003, 06:35pm EDT Report Abuse
>> to Joe Jones
Since you already have your board unlocked, why not experiment with your Duron 1300 and find out just how high your PC2100 will go BEFORE you decide on whether to get a Barton 2500+ (166 FSB) or a T-bred 2600+ (133 FSB)

My Duron 1300 will run in this mobo, using Crucial PC2700, at up to 181 FSB but ONLY after I lower the multiplier to 8x (8x 181 = 1450)

You can do that with the wire-in-the-socket trick, and not risk damaging the Duron at all

Here's a link to how you place the tiny little U-shaped wires to get the different multipliers... you can NOT do this in the BIOS, so this is the EASIEST way, trust me

I got slightly better results at 8.5x 176 = 1501 MHz with the same Duron 1300, but it wasn't 100% stable at 1501 MHz even with 1.95 vCore

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