Joined: 07 Apr 2003 Posts: 16814 Location: New Jersey
Posted: Sun, 03 Oct 2004 11:01:24 Post Subject: Logisys Glacier Dual LED Fan 500W Power Supply
The silver control knob on the back of the Logisys Glacier power supply controls the speed of the two fans... Unfortunately the control knob was not very reliable; it only worked for about an hour. During that hour, I was able to adjust the speed of the fans (and the brightness of the fan LEDs). Shortly thereafter, I needed to leave the room so I turned the fans down to the middle speed. When I came back, the fans were off... - The Review
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Last edited by Jason on Sat, 29 Apr 2006 09:00:48; edited 1 time in total
I was a little disappointed with the review. A power supply has one primary function, to supply power within well defined specifications. The 3.3V line of the Logisys Glacier was nearly 15% over the correct voltage. To say that "The rails were putting out a little more power than their “official” ratings" is an understatement. In fact the 3.3V line was running at a dangerously high 3.78V, capable of damaging several system components, and should have been given a failing grade without hesitation. If a product cannot do its job properly and could potentially damage other components it must be clearly stated that the product failed the review and cannot be recommended.
Joined: 07 Apr 2003 Posts: 16814 Location: New Jersey
Posted: Wed, 06 Oct 2004 08:13:43 Post Subject:
Regarding the 3.3V line... you are very correct, that is bad! I apologize for not noticing as I edited / formated this review, but Hellfire, would you mind busting out the multimeter and rechecking that value?
If it is that high, please let us know (and then get that unit out of your computer ). _________________
Joined: 07 Apr 2003 Posts: 16814 Location: New Jersey
Posted: Wed, 06 Oct 2004 22:36:08 Post Subject:
Hellfire just sent me over an update on the testing... He is now getting 3.47 where it initially said 3.77. Not sure where the communications broke down, but I apologize for the error... thanks for pointing this out BonusMinutes!! _________________
I wonder if that high voltage could be the reason that the fan controller went out. Then after it went out, the voltage went down to a more normal level...
Joined: 14 Jun 2003 Posts: 8202 Location: In the naughty zone
Posted: Thu, 07 Oct 2004 12:57:35 Post Subject:
It shouldn't be able to. I assume it was using the Molex connector. That only has 12v & 5V in it, so it shouldn't be able to affect the 3v rail. _________________ I do solemnly swear (or affirm) that I will faithfully execute the Office of President of the United States, and will to the best of my Ability, preserve, protect and defend the Constitution of the United States. - Oath of office of the President of the United States
"We spent 30 years digging ourselves into this hole. It won't be solved soon." - U.S. Energy Secretary Samuel Bodman
I appreciate the great follow-up guys. Didn't want to see Hellfires gear get damaged. Good to see that the 3.3V rail is operating within spec now, although it is at the max allowable. I've included a link to the ATX12V v2.01 design guide for future reference. You may want to use Motherboard Monitor or similar software to keep an eye on things for the next few weeks just to be safe. Thanks.
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