Asus Maximus Motherboard memory problerm with Corsair Dominator 1 GB DDR2 x 4
Vista32 crashs very easy with this configuration if the Bios setup is selecting automatic the RAM frequency, in this case 1066 MHz. That is what the DDR2 is, 1066 MHz.
Reducing the RAM frequency increase stability. Don't even think about overclocking in ANY way, not even 1 %. Its the other way around, underclocking !
The RAM from Corsair comes in 2 x 1 GB DDR2 packs and I use 2 packs resulting in 4 GB
The bios set the timing right away wrong (even with the latest bios version). Bios auto set it to 5-5-5-18 but on the Ram it's printed 5-5-5-15. So I have to go to manual mode and set timing to 5-5-5-15 but still the system crashes quickly, so have to scale down to around 800 MHz but its absolute stable at around 600 MHz.
If I run the Microsoft Memory Diag tool it just tells me there is an error and I have to contact the manufactor.. not telling what is the problem exactly.
Its not the first system I create but in the past I always used Intel boards and never had any problems. I only used the Asus Maximus because of several good reports, should had stayed with Intel MB's I guess :) they apear highly solid if it comes to stability.
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Re: Asus Maximus Motherboard memory problerm with Corsair...
Sorry to hear about your troubles. I have built over 100 machines using ASUS MB's and I've never run into a problem like yours. I'd suggest that you check a couple of things: 1) Make sure that all your BIOS/clock settings are correct, not just the memory frequency. As I'm sure you know, you need to check the CPU settings (voltage and clock speed), FSB settings, memory settings, and voltage settings, as you could be overclocked without knowing it. Also on overclocking it is sometimes a bit of luck of the draw, as some CPU's out of the same batch will overclock 20% or more and some will not overclock at all (if you haven't read about how Intel and AMD decide what speed to market the CPU's at as they come off the line, you should; I think you'd enjoy it!). The second thing I'd do is to get memtest (you can Google where to download). Make sure you get the version that runs at the system level, not the version that runs inside Windows. It is free. If you let it run for a couple of hours, it will tell you EXACTLY what, if anything, is wrong with your memory.
In any case, you should be able to run any ASUS board at 100% of factory specs and never have a HW related crash. If you can document your saga to ASUS, I'm pretty sure that they will MRA the board for you, assuming it's still in warranty.
I hope this is helpful. If you think it appropriate, I'd very much appreciate a Fix Ya rating on this solution. Good luck!
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Check these specs for your board.it will support 2gb but only if its pc2700.anything greater will not boot or become unstable quickly.here are your specs.also i am enclosing an ASUS link for any and all manuals etc. for this board.asus a7n8x-vm motherboard
Socket A for AMD Athlon XP
Thoroughbred/ Barton Core Support
NVIDIA nForce2 IGP
NVIDIA nForce2 MCP
Front Side Bus
-Dual Channel Memory Architecture
-Supports up to 2GB of 2700/PC2100 DDR memory
-2 DIMM sockets
AGP8X (1.5V only)
3 x PCI
-Integrated GeForce4 MX GPU
-Integrated TV encoder
-NVIDA nVIEW dual-display architecture
-Support DVI (AGP-NV-DVI) and TV out (AV/S) cards
2 x UltraDMA 133/100
Realtek ALC650 6-channel CODEC
S/PDIF in / out interface
Integrated 10/100 Mbps LAN controller + Realtek PHY
Integrated 6 USB2.0 ports
Power Loss Restart
Support S/PDIF in / out interface
ASUS C.O.P. (CPU Overheating Protection)
ASUS EZ Flash
Back Panel I/O Ports
1 x Parallel
1 x Serial
1 x PS/2 Keyboard
1 x PS/2 Mouse
1 x VGA
1 x Audio I/O
1 x RJ45
4 x USB 2.0/1.1
4 Mb Flash ROM, AMI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.3, ACPI, ASUS EZ Flash, ASUS MyLogo2
PCI 2.2, USB 2.0
WfM 2.0,DMI 2.0,WOL by PME,WOR by PME, Chassis Intrusion
ASUS PC Probe
Trend Micro™ PC-cillin 2002 anti-virus software (OEM version)
ASUS LiveUpdate Utility
microATX Form Factor, 9.6"x 9.6"(24.5cm x 24.5cm)RICHARDM69
Yea- its really simple with the Maximus Formula's (well.. I have a Maximus II Formula....)
Under the BIOS, you should have a tab called "extreme tweaker" or something similar. Go under that and there should be a nice CPU level up option. For example, mine has 3 options: (i have an E8400) 1.) Auto 2.) E8500 3.) Crazy
Another solution is to get the ASUS utility called CPU Level Up. It installs under windows, and lets you switch your CPU settings easily. Although this may be a Republic of Gamers specific utility.. not sure.
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.
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).
Hi Jay, Is you're memory installed in the two yellow slots? Try using only 1 DIMM in DDRII_1 slot. Page 17 in you're manual. When using only one PCI-E graphics cards you do not need to plug in extra power to the board, as shown on page 19. (Only need this additional 4-pin Molex when running two PCI-E cards). Check internal connector is plugged in item, 1 ATX_12V_2X (Pg. 23 in you're manual). (System will not boot without this). Also item, 2 main power 24-pin Molex cable is securely connected. Chassis Intrusion Header (By default is opened/no jumper). I don't like the CPU getting hot. It shouldn't. Do you have a spare heat sink & fan for you're CPU? Are you 100% the cooling system is running correctly? Lastly, here is Gigabyte's Qualified Vendors List (QVL), for you're board. Corsair 2GB is not listed. http://www.gigabyte.com.tw/FileList/MemorySupport/motherboard_memory_ga-ma790fx-dq6.pdf