I have 1Gb memory in A1 & A2 (ecc registered)
2 xeon 3.8GHZ 2Mb
1 video card en8800gtx asus, Power is connected on my video card (both) Bios is the latest version 1009.001 but when I boot I have nothing on my screen and no bip at the end of bios check
do you have an idea ?
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Make sure that when you populate the memory slots that you are using like memory cards per memory bank set. Example: A1 and A2 consist of one blue and one beige slot. Use a 2GB card in one and a 2GB card in the next one. Starting with A1, use your 2GB memory cards first and then the 1GB cards. Once complete, reboot your system and enter into the BIOS to verify the total 12GB are being "seen" by the system.
Also, consider your os. If you are running Windows Vista 64 bit, Windows 7... they will only see 8GB max. OS like Windows server xxxx will be able to see all memory avaliable to the unit.
It sounds like like you have multiple issues. When all memory slots are filled with 256 sticks the computer boots but only sees 256 MB instead of 1 gig. When you install the Crimms it won't boot at all. You may have an open circuit on one of the Crimms. As for the computer seeing only 256 MB you may have a bad memory slot on the motherboard. Here's a link regarding Direct Rambus DRAM or DRDRAM (sometimes just called Rambus DRAM or RDRAM: http://en.wikipedia.org/wiki/RDRAM
*********** board is Asus old p4 Mother board.It supports maximum 1GB RAM of DDR 400(DDR1). According to your post your computer having only one 512 MB working RAM. If you want good purformance you can upgrade your computer by purchasing another 512MB DDR400 RAM and install it on another RAM slot.If your computer have only one working RAM slot,you can purchase 1GB DDR400 RAM & install it on older RAM place. I think it solves your problem.if you have any problem come back with more information. I will try to assist you more accurately.
The specs on the memory are correct, so you purchased the correct type of memory for this motherboard. If your getting no video when you power on with the 1gb stick, I would be willing to bet the 1gb stick is bad. Can you return it and try another stick?
no place them this way if one kind is kingston or whatever a1 b1 and the other kind makes no difference as long as their in the right sockets/ a2 b2 these should be colored so if you have 2 of one kind and 2 of another you would keep them in the perspective colors ?dual ram is usually done this way you would have 1 gb in a1 and the other in b1
Hi, Mistyman here. All Asus mother boards that have dual channel RAM slot must have equal ram in each slot. In most cases the paired slots are matched by color for easy ID, some are identified by a printed ID on the mother board. With your board you will have to have run all of your RAM for the one CPU. If you have only one stick this must be in slot one. If you are using two sticks then utilise the dual chanel system that ASUS have and use A1 & A3.
To activate the second CPU you will need to install matching sticks of RAM in the B slots. both cpu's will need to have the value of RAM to work together properly.
CPU one = slot A for RAM
CPU two = Slot B for RAM.
Goodluck, the ASUS boards are a value product.