Question about ASUS A8N-SLI Premium Motherboard

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ASUS A8N-SLI memory issues

I have two kits of ram

1. Corsair Value Select PC3200/400 512x2
2. Edge (I think) DDR, DIMM, Q (best information I can get off the ram module itself) 512x2.

Either kit works fine by themselves. But do not work together. When all 4 are on the proper slots, actually in any configuration, all that registers is 512mgs of memory.

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  • imondeau Jun 17, 2008

    imondeau again -

    Using CPU-Z I have identified that both kits are 400s. And both are dual channel. Am I right in thinking that these should be registering as 2g of ram and not 512? Or is there some compatibility issue I am missing?


  • Edric Rojas May 11, 2010

    You must make sure that both brands of memory module have the same specifications. Does corsair memory have the same chipset as Edge (double sided or single)? But based on your description it is a clear compatibility issue.



    Upon checking you motherboard supports 4x DIMM non ECC unbufferred 400Mhz up to 2Gig of memory. you may check this link (motherboard manual) http://dlsvr01.asus.com/pub/ASUS/mb/sock...



    Try the following.


    1. Install both memory module (1pair ) of the same brand only (2pcs. Corsair PC3200 / 400 512) your memor should register 1Gig.

    2. If it runs on their own based on your description then both memory specifications are incompatible.

    I would recommend the following


    1. Purchase 2 pcs 1Gig DIMM 400mhz memory or

    2. Purchase additional 2 pcs 512MB Corsair or Edge brand as long as they all have the same specifications.

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Imondeau, do you still have you're manual for the ASUS A8N-SLI Premium? Please turn to page 2-12 & 2-13.
Need the manual? Click the link below & download it.
http://support.asus.com/download/download.aspx?modelname=A8N-SLI%20Premium&SLanguage=en-us
The QVL; Qualified Venders List, shows all the tested memory for this board. Edge memory is not supported. This is why the Edge memory only runs by it's self. Once you add the corsair memory they clash because they are not compatible working together in this Asus board. Both sets of memory could work in another board. (Maybe)! What is also needed is if the corsair & edge DIMMs are SS = Single sided or DS = Double sided. How many chips on the corsair? How many chips on the Edge?
They must have the same total chips each each DIMM.

Edge does not sell memory compatible for the
Asus A8N-SLI Premium.
See this for you're self. Click on this link:
http://www.edgetechcorp.com/memory/

Mike

Posted on Jun 18, 2008

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1 Answer

Ram


Hi,
Okay, you don't need two video cards. Your 4 memory slots are grouped in two's. One set is black and blue, and the other set is black and blue also. These are your dual memory channels.

The reason you can't see more than 2 gig ram is because you are probably not running 64 bit Windows with a 64 bit processor.

32 bit windows will only display 2 gigs, but max memory is 4 gigs. It will draw on the extra 2 gigs if ever it is needed, but this does not happen very often, if ever.

Hank


Jul 14, 2009 | ASUS A8N-SLI Deluxe nVidia nForce4 SLI...

1 Answer

Problem adding Additional Ram to my Asus A8N SLI DELUXE system


Just because BIOS is recognizing the RAM doesn't necessarily mean it is usable. Also, ASUS recommends that you have the same amount of RAM in each bank. Another point they make is that your motherboard does not support double-sided DIMM chips.

I would refer to the manual for their specific instructions on proper RAM configuration:

http://dlcdnet.asus.com/pub/ASUS/mb/socket939/A8N-SLI%20Premium/e2435_a8n-sli_premium.pdf

If you are concerned that the memory stick might be bad, swap it out with one of your older ones, and see if your system boots and performs as it should. If not, then you know it is bad. My guess is that if you populate the memory slots with 4 gb, the system will recognize and make all of it available to you.

Cheers
Nick

Jan 08, 2009 | ASUS A8N-SLI Deluxe Motherboard

1 Answer

Asus a8n sli premium


From the Asus support site.

If you installed total 4GB memory, the system will detect less than 4GB of total memory because of address space allocation for other critical functions, such as:

- System BIOS (including motherboard, add-on cards, etc..)
- Motherboards resources
- Memory mapped I/O
- configuration for AGP/PCI-Ex/PCI
- Other memory allocations for PCI devices

Different onboard devices and different add-on cards (devices) will result of different total memory size.
e.g. more PCI cards installed will require more memory resources, resulting of less memory free for other uses.

On a SLI system, since PCI-Ex graphic cards will occupy around 256MB, another 256MB will be occupied after you install a 2nd PCI-Ex graphic card. Hence, 2.75GB memory left only if two SLI cards installed on A8N-SLI Premium while 3.0GB memory left with one graphic card without other add-on devices.

This limitation applies to most chipsets & Microsoft Windows 32-bit version operating systems.

If you install Windows 32-bit version operating system, we recommend that you install less than 3GB of total memory. If more than 3GB memory is required for your system, then below two conditions must be met: 1. The memory controller which supports memory swap functionality is used. Chipsets later than Intel 975X, 955X, Nvidia NF4 SLI Intel Edition, Nvidia NF4 SLI X16, and AMD K8 CPU architecture support memory swap function. 2. Windows 64-bit OS which can address more than 4GB memory.

Jan 06, 2009 | ASUS A8N-SLI Deluxe Motherboard

1 Answer

Type of ram


ASUS A8N-SLI Premium Specifications
CPU: Socket 939 for AMD Athlon 64FX / Athlon 64 /Sempron / Athlon 64 X2
Chipset: NVIDIA nForce4 SLI
Front Side Bus: 2000/1600 MT/s
Memory: 4 x DIMM, max. 4GB, DDR 400/333/266, ECC, non-ECC, un-buffered memory, Dual Channel Architecture.
Expansion Slots:
2 x PCI-E x16
- SLI mode: x8, x8
- Default (single VGA): x16, x1
1 * PCI-E x 1/ 1*PCI-E x 4(x2 mode)
3 x PCI
Storage/RAID: nForce4: 4 x SATA 3Gb/s
NVRAID: RAID0, RAID1, RAID0+1 and JOBD span cross SATA and PATA
2 x UltraDMA 133/100
Silicon Image 3114R RAID controller
4x SATA with RAID0, 1, 10, 5
Audio: Realtek ALC850, 8-ch High-Definition Audio CODEC
LAN: nForce4 built-in Gbit MAC with external Marvell PHY MARVELL PCI Gbit LAN controller

or see this site:
http://www.ngohq.com/home.php?page=articles&go=read&arc_id=34


Oct 30, 2008 | ASUS A8N-SLI Premium Motherboard

3 Answers

K7VT4A-Pro Mobo


Greetings,

The motherboard will read 1GB DDR400 memory per slot only.

Keep us posted and thank you for using our service.
FixYa for all your troubleshooting needs.
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Jun 19, 2008 | Asrock K7VT4A-Pro Motherboard

1 Answer

Will not recognize Ram


Insert a pair of memory so you again can see a total memory of 1024GB. Check the slots you have them inserted in. It should be DIMM A-1 & B-1. (Correct)? Remove both & insert the second pair. Use A-1 & B-1 again. Check total memory reported by bios. If you see anything less than 1024GB, that set of memory has an issue. Continue to leave in that set of memory. Go to this link & download memtest86 to a floppy disk & test the memory. You'll find the download section just under the three screen shots.
http://www.memtest.org/
Each set of dimm's should be placed like so. One matched pair in dimm A-1 & B-1. Second set insert into dimm A-2 & B-2. The bios should see the total as 2GB. Run memtest only while using one set of matched 2x512 memory at a time. If there is a problem with the memory memtest86 will find it.
Though the information should fix you're issue, (or catch some bad memory).
It wouldn't hurt to check if a bios upgrade will help also.
Click on this link & check you're bios version against Asus updates. Please only update if you are sure the update will help.
http://support.asus.com/download/download.aspx?modelname=A8N-SLI%20Premium&SLanguage=en-us

Good Luck!
Mike

Jun 17, 2008 | ASUS A8N-SLI Premium Motherboard

1 Answer

Asus P5N-E SLI Mobo will not boot or post.


Hi bart, please re-check you're memory. See page 1-17 in you're user manual. (Read everything)!
You're Asus board can not use 184-pin DDR DIMM's.
Also check the QVL list for supported memory page's 1-18 & 1-19.
I did not see Corsair on either page.
You're board can only use 240-pin DDR2 memory. Please read the "Notes" at the top of page 1-18.
If everything (Regarding memory) is within the Asus specifications than clear the cmos/bios & re-boot again. If you're system still does not boot than remove one DIMM & try again.
Asus warrants their boards for three years. Call Asus tech at
1-812-282-2787 EST, IL 8:00AM to 5:00PM. The call is on you but the service is free. It's worth every dime.

Good Luck & Kind Regards.
Would you be kind enough to let me know what Asus suggested? (If it comes to that).

Mike

May 15, 2008 | ASUS P5NSLI (0610839134670) Motherboard

1 Answer

Ram problems


Your memory should be in slots A-1 & B-1
You Asus board uses the Award bios. The link posted below will tell you what your beeps are saying.
http://www.bioscentral.com/beepcodes/awardbeep.htm

In your case do as I suggested above. I have two working
A8N-SLI Deluxe boards & the memory works fine in A-1 & B-1 slots.

Good luck & best wishes!
please vote.............................

Mar 14, 2008 | ASUS A8N-SLI Deluxe Motherboard

1 Answer

Ddr and ddr2


You cannot use DDR2 since your mother will only support DDR1 which is DDR400 compatible only.


Please don't rate me Inappropriate if you don't like my solution or rate me SOLVED if you accept the reality. Thanks

Nov 22, 2007 | ASUS A8N-SLI Deluxe Motherboard

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