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UPDATE:SATA on DELL 4700 very hot and slow

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I solved the problem with the DELL 4700 SATA running hot (72°C/160°F) and slow. The slow I/O issue (2MB/sec) is evidently a chip defect, rejecting any driver update. Tested the HDD on another controller and got godd I/O of around 48 MB/sec. Plugged in cable on second SATA port (-2) and all works fine! The heat issue is due to a poor design not allowing air flow around the HDD. Installed a little fan on top and was able to reduce the HDD temperature to more acceptable levels of about about 45°C/113°F

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Summary: Hi all I'm a geek but I'm puzzled by a problem a friend of mine has with his Dell 4700 (P4 3.0/2GB RA/250GB) Despite that all settings seem to be correct the SATA I/O went one day and stayed to extre...

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