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  Asus A8N-SLI Deluxe FAQ 
 
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Kariage Kun Mar 05, 2005, 09:08am EST Reply - Quote - Report Abuse
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Edited: Mar 05, 2005, 09:21am EST

 
>> Re: Asus A8N-SLI FAQ
Hi Simon,

I hope you don't mind if I help you :P

anyway... I saw you're getting 2x geforce 6800gt... connecting 20 pin to 24 pin with this rig might cause stability problem although you can still turn on the machine... from what I researched buying an adapter won't help at all since some of the adapter would just leave the 4 slots blank... If they have the wire connected to the 4 slots, 20 pin powersupply usually have inadequate AMP for the current to flow.

I would recommend you getting a native 24pin power supply and try to get 500Watt+ PSU for future upgrade and also for better stability...

For your maximum performance and stability always use seperate molex adapter (if possible) or share it with something that required small watt (fan, cdrom, floppy, etc) for each of your video cards (molex A and B for example), hard drives (use the serial-ata power connector), and EzPlug (molex C for example)...

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Kariage Kun Mar 05, 2005, 09:15am EST Reply - Quote - Report Abuse
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Edited: Mar 05, 2005, 09:58am EST

 
>> Re: Asus A8N-SLI FAQ
Hi Nathan,

First of all follow the FAQ Bios guide, set your memory to 3-3-3-8 2T and ensure all the connector inside are tight and secure :P... Remove the Maxtor HD then change the boot order to CD-ROM, HD, Floppy and Disabled... and see what will happen

Kariage Kun Mar 05, 2005, 09:40am EST Reply - Quote - Report Abuse
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>> Re: Asus A8N-SLI FAQ
I would like to thanks all of you for helping me solve my problem (especially Mike, Sander, Alkemyst) :)

I finally found the culprit that causes my system to lockup and it was ASUS Wifi-130 Wireless Adapter... I removed the card, threw it to garbage... Reinstall Windows and all the latest drivers... BAM! 100% Solid! (3 days with Prime95 no errors and warnings!)

I even overclocked my CPU and upgraded my video card to 2x ASUS Geforce 6600 GT SLI (overclocked too)...

Anyway here's my new spec if you guys want to know:

- AMD Athlon 64 3000+ @ 2.1 ghz (233x9 thanks to my RAM limitation :P) w/ Thermaltake Silent Boost
- 535 Watt Enermax SLI PSU
- ASUS A8N-SLI Deluxe
- 2x ASUS Geforce 6600 GT SLI
- 1024 MB Corsair Twinx 3200CL (512MB x 2) (2.5-3-3-6 1T)
- 80gb Seagate Baracuda S-ATA 7200 RPM
- NEC 16x DVD RW

Drakan Mar 05, 2005, 11:09am EST Reply - Quote - Report Abuse
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Edited: Mar 05, 2005, 11:16am EST

 
>> Re: Asus A8N-SLI FAQ
I think Mike said this a time or two before, but it deserves repeating ...

"Before you power up the motherboard, check the SLI single/dual mini-card (or whatever that thingy is called ... lol) between the two PCIe x16 slots."

There are two reasons for doing this ...

1) You need to insure that the selector card is pointing the correct way depending on how many graphics cards you are going to use.

2) The card is NOT always seated correctly ... even when coming from the factory. If you can see 1/16 inch of gold teeth, the card is NOT fully into its socket. Take it out and reseat it ... gently, mind you ... until only a sliver of gold shows.

This little oversight might just prevent you from having a nice, clean, boot cycle ... or it might just trigger the long-short-short beeps I have seen mentioned in the recent posts here.

Hope this helps ...

FYI, 74G WD Raptor drives work with the nVidia RAID controller. I have two in a RAID0 array ... with NCQ (command queueing) turned on ... also read buffering, write buffering, and all the other "run fast" options. These were turned on by Windows XP Pro and the 6.39 nVidia drivers. I looked at the drive/controller settings in Device Manager and left well enough alone ... :)

FYI, BIOS 1004 upgrades the nVidia RAID controller ROM BIOS to version 4.51. This driver is not the same as the drivers in the nVidia 6.39 chipset drivers ... the former is for the motherboard; latter are for Windows XP.

Whizzz AKA: SLI Scientist@Work Mar 05, 2005, 11:36am EST Reply - Quote - Report Abuse
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Edited: Mar 05, 2005, 11:46am EST

 
>> Re: Asus A8N-SLI FAQ
Asylum

Mike Thellend Feb 15, 2005, 11:39 AM Message - Profile - Add Buddy - Alert Moderators - Edit Post

I wrote this post on page 12

Re: Asus A8N-SLI FAQ
[quote]Todd,
If you google A8n-sli + 25a you will get a bunch of results about power supplies and such. Heres the deal... I want a definitive answer on whether a new power supply is the best thing for me to do or if the current power supply i have which is a 550 watt enermax power supply with a 20 pin connector is enough or if I need something better... The other thing... I am also able to purchase a 20 to 24 cable converter . Would this help at all or whats everyones opinions on this. Anyways this forum has been a huge help keep the information coming.[\quote]

Todd,

When I first started the SLI thing I had an enermax 650Watt 20 pin 24Amp 12V+ and it gave me problems.

There is a 24 pin connector on the board for a reason. The four pins left over do feed parts of your motherboard in a different way, should I say, different routing, grounding, power etc... and does need to be fed, to lower demand on everything that is fed on the 20 pin system or PCB tracks. The new 38AMP supply I installed did correct problems with stability in my system.

Mike

My computer did work with the 20 Pin 24 Amp power supply though. If I took inventory of what my computer needs in the way of power it would surpass most peoples systems here. I was just missing a few extra good amps to get it stable. As you can see I recommended that people get 24 Pin supplies a long time ago to help with stability, but every case is different.

Based on my calculations your system will be stable, but yes, a 24 Pin supply would be ideal.

Does it matter which molexs I use with the graphics and the motherboard?
>>>No, as you would be running off a single rail.


Mike Thellend

Adam Miles Mar 05, 2005, 11:58am EST Reply - Quote - Report Abuse
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>> Re: Asus A8N-SLI FAQ
Mike: This might interest you. I got Anandtech to poke ASUS on some SLI setup issues and the "big" issue for overclockers like me: the fact anything past 250mhz at 1T Command Rate is impossible.

------------------------------------
quote:
Adam -

My engineering contacts at Asus have emailed me that the video compatability
issues have been resolved and the fixes are in a new BIOS 1007 to be
released very soon. I was also told they believe they can fix the
overclocking issues and be very competetive with DFI. These fixes should be
in a new BIOS next week.

I will be out of the US for a couple of weeks, so you will need to look for
new Asus BIOS at their site and on Forums.

Wesley Fink
Senior Editor, AnandTech, Inc.

------------------------------------------------

I think that speaks for itself. :)

ajmiles

Whizzz AKA: SLI Scientist@Work Mar 05, 2005, 12:18pm EST Reply - Quote - Report Abuse
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Edited: Mar 05, 2005, 01:12pm EST

 
>> Re: Asus A8N-SLI FAQ
Adam Miles

Thanks, I've been trying to tell people all along to reduce timimgs, even if their RAM specs have high timing rates. I am looking forward to the new BIOS as well.

PS: As I said before, they probably used this forum as a reference for the fixes.

Mike :)
SLI Scientist @ Work

Adam Miles Mar 05, 2005, 01:05pm EST Reply - Quote - Report Abuse
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>> Re: Asus A8N-SLI FAQ
People have only been using tight 1T timings because that is what the board should support if it didn't have this bug in the BIOS. The difference between 1T and 2T on A64 systems is large, and if you resort to 2T you will have to overclock the hell out of it to get back up to stock 1T speeds on memory.

Hopefully this issue will be resolved and those of us that want to can start hitting 280-300mhz (and beyond) on 1T. This should yield memory bandwidth ~ 7.5GB/s, unlike the 6.4GB/s we can achieve now.

Alkemyst Darkened Mar 05, 2005, 02:17pm EST Reply - Quote - Report Abuse
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>> Re: Asus A8N-SLI FAQ
Anyone know how to beat occasional MACHINE_CHECK_EXCEPTION blue screens that happen only when I am burning DVDs and using my machine for other things.

Its the Stop 0x0000009C error that is well reported for AMD systems.

Other than this occasional problem (my old machine would sometimes also blue screen while burning and doing larger tasks so it may just be problematic discs with major copyprotection and the like).

I like making a copy for my bedroom of my DVD collection.

Thanks


Rob Ciraco Mar 05, 2005, 02:17pm EST Reply - Quote - Report Abuse
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Edited: Mar 05, 2005, 02:18pm EST

 
>> Re: Asus A8N-SLI FAQ
Hi Mike,
Just a little update on problem fixed.
A few post back you helped me with my Corsair TwinX (2x512) 3200XL PRO and timmings which were 2,2,2,5 1T @ DDR400, 2.8v....as I was getting " System Failed Memoey Test" once in a while during Boot up, You suggested 2.5,3,3,6 1T..that worked, I fooled around with some timming and I got a stable system with timmings of 2,3,2,5, 1T @2.8...I just wanted to update you and say thanks again

A8N SLI Deluxe w/ 1004 Bios
FX-55 CPU @ stock speeds f
1G Corsair TwinX 3200XL Pro (2 x 512's) 2,3,2,5--2.8v--1T
2 Westrn Digital 36G Raptors in RAID 0 on nVidia controller
2 6800 Ultra's in SLI mode
Silverstone Technology Nimiz Black Aluminum Tower
SST-TJ03B w/ side window
PC Power Cooling Turbo 510 Deluxe SLI PSU
Generic CD ROM & Floppy
Win XP Pro w/ SP2


Whizzz AKA: SLI Scientist@Work Mar 05, 2005, 03:05pm EST Reply - Quote - Report Abuse
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>> Re: Asus A8N-SLI FAQ
Rob,

The timings I recommended for you were a base for which to clear your boot error and play with your timings. Having two sticks at 512 will allow you to have better timings than my 1 Gig sticks. The lower the RAM MB's and DIMM's (2 not 4) the better, for timing.

PS:Thanks for posting your fix.

Mike :)

Whizzz AKA: SLI Scientist@Work Mar 05, 2005, 03:40pm EST Reply - Quote - Report Abuse
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Edited: Mar 05, 2005, 03:47pm EST

 
>> Re: Asus A8N-SLI FAQ
Machine check exceptions are frequently caused by one of the following conditions:

Microsoft
>You are running the processor or mainboard beyond its specifications. For example, you are overclocking the processor or bus. We recommend that you run your hardware at the manufacturer-rated speeds.

>Noisy power, overstressed power strips, outmatched power supplies and failing power supplies can destabilize your computer. Make sure that you have a stable, reliable power supply to your computer.

>Extreme thermal conditions caused by the failure of cooling devices such as fans may damage your computer. Make sure that your cooling devices are all working.

>You have damaged memory or memory that is not the correct type for your computer. If you recently changed the memory configuration, revert to the previous configuration to determine what is wrong. Make sure that you are using the correct memory for your computer.


Mike
>Update DVD firmware if you haven't already

>Install Roxio Software/drivers even if you're using another DVD burning software, I've found this to help with burning issues and blue screens. Try Roxio if your not using that.

>Try another DVD Drive.

Mike :)
SLI Scientist @ Work


Whizzz AKA: SLI Scientist@Work Mar 05, 2005, 04:54pm EST Reply - Quote - Report Abuse
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Edited: Mar 05, 2005, 05:16pm EST

 
>> Re: Asus A8N-SLI FAQ
Nathan Cole

Boot order in the bios is set to HD, HD, CD, Removable.
As you know I am a scientist, I need you as my guinea pig for this little test ok. lol Let me know the series of events.

Then
Boot order in the bios is set to HD, CD, Removable, Disabled for permanent use, that's if the above didn't solve it for you.

Disable boot up Floppy Seek in BIOS
Make sure no CD or DVD in drive and no Floppy either.

Mike :)
SLI Scientist @ Work

Whizzz AKA: SLI Scientist@Work Mar 05, 2005, 05:54pm EST Reply - Quote - Report Abuse
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Edited: Mar 05, 2005, 05:56pm EST

 
>> Re: Asus A8N-SLI FAQ
Mike Thellend Mar 05, 2005, 01:34 AM Message - Profile - Add Buddy - Alert Moderators - Edit Post

Re: Asus A8N-SLI FAQ
Joseph Ringling

The bios upgrade didn't apply because the 1003 & 1004 bios do not apply to the A8N-SLI (just the deluxe)

BIOS 1004 does work on the standard.

Glad to hear your stable.

***PS: Would it be possible to post Sanders Email reply to share your fix with others in case someone else gets the same problems?***

Mike :)
SLI Scientist @ Work
Post Edited On: Mar 05, 2005, 01:42 AM

Whizzz AKA: SLI Scientist@Work Mar 05, 2005, 05:59pm EST Reply - Quote - Report Abuse
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>> Re: Asus A8N-SLI FAQ
Mike Yi,

I am still willing to help you in MSN messenger on a one to one basis, I would be fed up after 5 weeks too!

Mike :)
SLI Scientist @ Work

Athanasios Karageorgiou Mar 05, 2005, 06:15pm EST Reply - Quote - Report Abuse
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>> Re: Asus A8N-SLI FAQ
Good settings there!
When did you change to 71.90 WHQL.?
What were you doing when it started happening?
------------------------------------------------------------------------

Mike i was playing NFSU 2.But i really cant undestand i downgrade the bios to 1004,remove the battery,reinstall the windows about 5 times now,i make all the combinations,removed all the PCI devices,the second VGA removed too,i just cant undestand its always the same configuration in voltage in NTune but after a few reboots when the driver recognize it as PCI-E x2 i can play all the games and 3D apps when it recognize it as PCI-E x16 it freeze and start reboots.Maybe Constantine is the final answer :)

Whizzz AKA: SLI Scientist@Work Mar 05, 2005, 06:34pm EST Reply - Quote - Report Abuse
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Edited: Mar 09, 2005, 02:30pm EST

 
>> Re: Asus A8N-SLI FAQ
Nathan Cole---X
Aleq Skanky---X
Zhen-Jock Lau
PETER PALAITIS---X
Paul Bennett---X
Peter Wong---X
Angry Cookieman---X
Wes Hetrick---X
Kevin Estes
dr dr---X
Dave Ballantyne---X
Ton Wissink---X
Kanishka Jayasekara
Remi Holm
Otis McGhee
Mike Yi
Athanasios Karageorgiou
asylum asylum---X

How are you gentlemen doing lately?

PS: The list of people with confirmed fixes would be too long so I didn't post them.
I will add an X as a reference to fixes in the next little while, this list goes back to page 40 or so.

Mike :)
SLI Scientist @ Work

Whizzz AKA: SLI Scientist@Work Mar 05, 2005, 06:38pm EST Reply - Quote - Report Abuse
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Edited: Mar 05, 2005, 08:35pm EST

 
>> Re: Asus A8N-SLI FAQ
Athanasios Karageorgiou

When did you change to 71.90 WHQL.?

>SET PCIPnP
- Init Display First : AUTO
>SET PCI Synchronization Mode to 33.33 MHz
>Take that card out and put the other one in
Let me know if you see 16X
Take that card out and put the first one in
Let me know if you see 16X
If you do not see 16X remove BIOS battery, set, and reboot.

reinstall the windows about 5 times now,i
>>You are waisting valuable time, stop reinstalling. lol

PS: It's official, this FAQ is the most popular one in the entire site. Time to crack open a beer and play some distorted video games. lol

Mike :)
SLI Scientist @ Work

Gary Thomas Mar 05, 2005, 08:41pm EST Reply - Quote - Report Abuse
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>> Re: Asus A8N-SLI FAQ
I will tell you something very interesting and disappointing I installed the 71.84 drivers today if you go into display properties, then settings, then advanced, choose the GeForce 6800 Ultra tab in the left window, highlight 'performance and quality settings', in the right window check the box 'Show advanced settings' scroll down to SLI rendering mode and highlight the drop down box has "When SLI is enabled, use: and the only choice is SLI single-GPU rendering. In the 66.93 driver set you have the choice for the single-GPU rendering or "Multi-GPU rendering". This is very puzzling why this option has been removed, I mean isn't that why we paid good money for the second card is so that the second GPU is enabled during gmaeplay of SLI games? It probably is, but when I changed to the 71.84 I got and got absolutely no difference in fps in the game Lock On from 66.93 and 71.84 which is supposedly SLI capable and Lock On is an Nvidia approved game http://www.nzone.com/object/nzone_sli_certifiedapps.html and an Nvidia beta driver with release notes on their site, I reran 3dmark05 with 71.84 and my score increased to 8865 (up from 8661 with the 66.93 drivers). Its all kind of hilarious and confusing at the same time.

Angry Cookieman Mar 05, 2005, 09:43pm EST Reply - Quote - Report Abuse
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>> Re: Asus A8N-SLI FAQ
Mike
My system apparently worked out the little annoyance it had without me realizing it. I tested aquamark 3 again with my 2d core speed back at the default 300 and my scores were like they should be, so apparently it's using the 3d speeds now. Thanks for the help you've given everyone, I check the forum every day.
Later


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