Steve L.
October 22nd 03, 01:44 PM
Some boards won't boot with no CPU fan attached. At least by default.
Maybe check in your BIOS and see what it is set to do.
"perry mason" > wrote in message
...
> Where did I go wrong?
> My stuff:
> Asus KT7A board
> 1.4 gig processor running at 1050
> couple hds, burner
> 2 sound cards.
>
> Hi, I'm not trying to overclock, I just can't stand the shrieking
> whine of the cpu fan any more as I'm trying to do music production on
> a profoundly amateur scale here.
> I'm new to AMD. The KT7A seems to have a 1100g CPU limitation. The
> chip I got is a 1.4, I believe, but it only boots at 1050 and runs
> great on XP pro with a moderately sized but noisy CPU tower type fan.
> I've tried several different fans. People tell me this is the business
> as far as quiet fans go. It sucks. There has to be a better way.
>
> I made a water tight cooler taking a 3 inch tall aluminum cylindrical
> tower cooler and removing the two inside fans. The walls are finned so
> there is plenty of mass and surface area and so on exposed to the
> circulating water. I wrapped the outside except for the bottom lightly
> with masking tape to contain the epoxy and goobered it up with two 1/4
> inch copper pipes sticking out. The bottom is not treated at all, just
> a dab of thermal paste. The inlet is close to the heat synch at the
> bottom and the outlet is near the top of the container. The board sits
> horizontally. No leaks. I used a tiny pump intended for waterfalls not
> higher than one foot (Rio 90- $20usd) submerged in roughly a gallon of
> ice water. It cycles freezing cold water through a 1/4 inch line at a
> pretty good flow. I can't believe cooling is the problem here. The
> whole tower is ice cold to the touch.
> The first attempt failed as the blob didn't fit very well on the CPU
> so it wasn't properly coupled physically to the little square CPU
> thermal transfere thingy. Failed to start and never started again.
> Scratch one chip. It didn't protect itself by shutting down.
> I made a proper lash up to attach the cooler and now is fits perfectly
> and is nice and snug. The new 1.4 chip gives 3 successive beeps at
> post and I shut it down by pulling the plug. The chip is cold to the
> touch and the lines are condensed and the tower cooler is absolutely
> freezing cold. The return line is spewing icewater at boot time. If
> heat were a problem the water being returned would be hot, right? I
> plugged the original CPU fan in while holding it in my hand just to
> see if it was a feature of the Asus board not to boot if it sensed no
> CPU fan plugged into the board but that is not the deal. I put the
> routine cooler back on and it boots fine. I tried the spunky DIY buzz
> buster water cooled marvel on a P200, BX board and it ran fine at a
> DOS prompt with no ice, just water for 4 hours. If anyone has some DIY
> ideas I'd be grateful to hear about it. Please don't post links to
> $200 completed H2o systems as I'm really not that class of customer.
> Thanks for your time, pm.
Maybe check in your BIOS and see what it is set to do.
"perry mason" > wrote in message
...
> Where did I go wrong?
> My stuff:
> Asus KT7A board
> 1.4 gig processor running at 1050
> couple hds, burner
> 2 sound cards.
>
> Hi, I'm not trying to overclock, I just can't stand the shrieking
> whine of the cpu fan any more as I'm trying to do music production on
> a profoundly amateur scale here.
> I'm new to AMD. The KT7A seems to have a 1100g CPU limitation. The
> chip I got is a 1.4, I believe, but it only boots at 1050 and runs
> great on XP pro with a moderately sized but noisy CPU tower type fan.
> I've tried several different fans. People tell me this is the business
> as far as quiet fans go. It sucks. There has to be a better way.
>
> I made a water tight cooler taking a 3 inch tall aluminum cylindrical
> tower cooler and removing the two inside fans. The walls are finned so
> there is plenty of mass and surface area and so on exposed to the
> circulating water. I wrapped the outside except for the bottom lightly
> with masking tape to contain the epoxy and goobered it up with two 1/4
> inch copper pipes sticking out. The bottom is not treated at all, just
> a dab of thermal paste. The inlet is close to the heat synch at the
> bottom and the outlet is near the top of the container. The board sits
> horizontally. No leaks. I used a tiny pump intended for waterfalls not
> higher than one foot (Rio 90- $20usd) submerged in roughly a gallon of
> ice water. It cycles freezing cold water through a 1/4 inch line at a
> pretty good flow. I can't believe cooling is the problem here. The
> whole tower is ice cold to the touch.
> The first attempt failed as the blob didn't fit very well on the CPU
> so it wasn't properly coupled physically to the little square CPU
> thermal transfere thingy. Failed to start and never started again.
> Scratch one chip. It didn't protect itself by shutting down.
> I made a proper lash up to attach the cooler and now is fits perfectly
> and is nice and snug. The new 1.4 chip gives 3 successive beeps at
> post and I shut it down by pulling the plug. The chip is cold to the
> touch and the lines are condensed and the tower cooler is absolutely
> freezing cold. The return line is spewing icewater at boot time. If
> heat were a problem the water being returned would be hot, right? I
> plugged the original CPU fan in while holding it in my hand just to
> see if it was a feature of the Asus board not to boot if it sensed no
> CPU fan plugged into the board but that is not the deal. I put the
> routine cooler back on and it boots fine. I tried the spunky DIY buzz
> buster water cooled marvel on a P200, BX board and it ran fine at a
> DOS prompt with no ice, just water for 4 hours. If anyone has some DIY
> ideas I'd be grateful to hear about it. Please don't post links to
> $200 completed H2o systems as I'm really not that class of customer.
> Thanks for your time, pm.