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March 24, 2006, 12:28 pm
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cleaned the dust from the heasinks and fans, and replaced the thermal
compound, and now the blue screens and continuous reboots have stopped.
However, the machine still felt sluggish and didn't feel as responsive as
previsouly, so I reformated the drive and resinstalled windows. However, it
still feels slow, and windows seems to take a lot longer to start than
I thought maybe some hardware had been damaged by the overheating, so I
downloaded "performance test 6.0" from http://www.passmark.com and ran the
full benchmark test. When comparing my results with the built in sample
results, the hard drive scores gave cause for concern:
Disk Random Seek: 1.37
Disk Sequential Read: 12.4
Disk Sequential Write: 24.9
Write seems ok, but read seems far too low, even 7 year old p3s were getting
double that. Random seek was also the lowest of all the scores I checked and
it was very well beaten by similar spec machines.
To get to my point, I need to know if the scores are typical of similar spec
sony laptops or laptops in general, or does my machine have a problem. Would
anyone who has a similar spec vaio or other make be willing to download the
software and post back the results?
Even if you can't do a benchmark, what do people think of the scores? If
they are too low would a new hard drive solve it (seagate momentus 7200k ?)
or could the hard drive controller on the motherboard be faulty?
Re: Sony Vaio GRT796SP Problems
Assuming WinXP, go to Device Manager, ATA/ATAPI Controllers, Primary IDE
channel, Advanced properties tab, and see that DMA if Available is set,
and that UltraDMA Mode 5 (maybe 4 if this is an older computer) is the
If DMA if Available is set and but there is no UDMA mode listed, the
drive likely has a problem and the OS has disabled DMA mode entirely.
You can also go to the drive's vendor for the drive health utility
(Toshiba has no utility) to evaluate the drive.
Lastly, you can use Everest (www.lavalys.com) if you can find it, or
Sisoft Sandra to get the SMART data if the drive has it.