PCIe 2.0 video cards

I also use the Asus p5n-e...I used that exact same card for about 4 months, worked great. Now I am running GTX 260 and that works great also. PCI-E cards are backwards compatible...2.0 cards will work fine in a 1.0 slot. The only difference is the bandwidth that can travel through the PCI slot on your motherboard.

If you ever have any questions about the motherboard just throw them up on here...I know it inside and out. I can almost navigate through the BIOS with my eyes closed. I have been messing with this motherboard for about 6 months now.

Post back and let me know what else you are running in this board.
 
Perfect, thanks for the help!

If you know the board that well, maybe you can help with another issue I am having. I bought some new RAM for it, too. 4 gigs of PC8500 at 1066mh to replace the 2 gigs that were in it, they are pc6400 at 800mh.

Trouble is, the system is very unstable. Sometimes I will get a long continuous beep on startup. I can power down and then back up and sometimes that will work without doing anything else, but then after a few minutes to a few hours windows will begin freezing randomly. Sometimes while I'm playing a game, sometimes just on the internet. Not BSOD, just locking up, mouse won't work, keyboard won't work.

I reboot and then get that long continuous beep. Sometimes I have to go in there and switch the RAM to the other colored slots before it will come back up. (And then back to the originals when it starts that problem again)

I downloaded the latest BIOS and then went in under jumper-free config and manually set the voltage 2.1 as the RAM requires and the timings were already correct at 5-5-5-15.

I manually changed the mh to 1066, but then read somewhere that the p5n-e can only support up to 800mh, so I bumped it back down to 800. Still same symptoms, and they seem to be getting worse.

So now I pulled the new RAM and am using my old stuff until I figure out what to do.

Aside from that I have Intel Core 2 Quad at 2.6 Gh and the Nvidia Geforce 8800 GTS that I am now going to upgrade to the Geforce 9800 GTX+ thanks to your help! Awesome.
 
This motherboard is very picky with RAM. Just remember...this board is early 2007 technology. I have 4x1GB of Corsair XMS2 Pro and I have to set my voltage to 2.1v just to get it to run at 800NHz. The stock voltage for my RAM is 1.9v....whats that tell you. I have never been able to clock my RAM higher than 800MHz with any sort of stability what so ever. I had it up to 900MHz with just 2 sticks and it worked for about an hour, then major system failure. Here are my settings right now.

CPU - Intel Q9300 @ 2.875 GHz /1466 FSB / auto voltage / 7.5x multiplier
RAM - 4x1GB Corsair XMS2 Pro @ 733MHz / 2.0v / 5-5-5-15 timings / "Linked" and "synced" in BIOS
North bridge - don't even mess with it, anything you do will make it very unstable, even the slightest change in anything...it's over

I have had my CPU up to 3.0GHz and my RAM at 800MHz but the stability becomes a problem. My wife also uses the computer and she can't reset the CMOS...LOL. The settings I have above are rock solid, over a month now and not one issue.

I manually set my FSB and the RAM is "linked" and "synced" which brings it to 733MHz. Put the RAM voltage about .1v over what the manufacture recommends. I got some new G-Skill coming, I'll let you know how it goes.

One thing I have learned...any sort of a crash...just go ahead and reset CMOS right off the bat, if you don't, the problems will keep popping up. Take a look at the Asus forum for the board, there is some great info about it. The guy Lombardo is the resident expert on the board.
http://vip.asus.com/forum/topic.aspx?board_id=1&model=P5N-E+SLI&SLanguage=en-us
 
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