Problem after installing Volcano 7+

dreg691

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Apr 29, 2001
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HELP! I just installed a Volcano 7+ HSF combo on my Athlon XP 1700+. Now it won't let me boot unless I clock down to 1100MHz. If I try to boot at the normal speed of 1466MHz it goes nowhere. I took the heatsink off and put it back on; no help. Did I ruin my CPU? I would think if I did, it would not boot at all, but it boots fine at 1100MHz. My mobo is an ASUS A7V266. Any help would be appreciated.

Rich
 
I'd think more infor is needed, what settings are you booting at, what is your voltage set at. FSB and multiplyer, the normal information that is missing would be cool. Motherboard, PSU, etc. Always give system info.

<b>"These are my thoughts, your mileage may vary."
 
Look at the shape of the bottom of your heatsink. Now look at the shape of the socket. Notice that there are two plateaus? Make sure you line these up. If you don't you may have the exact same problem you are describing right now.

It's hard to describe what I'm talking about but make sure the heatsink and socket fit together like lego bricks. That's the only way to get full surface contact.

This little cathode light of mine, I'm gonna let it shine!
 
I think I have it narrowed down to a voltage issue. The old heatsink/fan had only a small 3-prong mobo connector; rotation/+12v/GND. The Volcano has that same connector, but it only has one wire (for rotation detection). It gets it's juice from another, larger connector; the 4-prong size you would use for your hard drive, case fan, etc. However, it only has 2-prongs, not 4. They must be the 12v and GND. You would think 12 volts is 12 volts no matter how/where it gets it, but who knows. The problem is it won't boot with the normal FSB speed of 133. It clocks to 1466MHz by going 11 x 133 FSB. At 1100MHz it's 11 x 100 FSB. The CPU voltage is 1.75v regardless. I'm assuming it is taking more voltage to run at 133. Maybe not. I have a 400w power supply. I unplugged a couple of case fans, thinking I was somehow maxed out on my power; no help. I put the old heatsink/fan back in and it works fine at 1466MHz, so it's not like I accidentally messed up some other component when I was in there working.

Maybe it is the way I had it seated. I see what you mean about the 2 'plateaus' on the heat sink. I thought I had it right, but I'll try again. There is not much room to play with though; the side clips don't stick out very far from the sides of the heatsink.

Rich