This was a good excuse to fix some driver issues. My mobo had an issue
with USB3. I also switched from IDE to ACHI on the Sata. [There is a
registry trick to do this. You can't just change the bios. At least for
windows.]
After all the tweaks, I think the D525 is always going to have 2ms
jumps. It is not a fast processor. I tried disabling drivers and it made
no difference.
Incidentally if you really want to get the latest drivers, you need to
run some hardware probing program to see what chips are on your mobo,
the get the driver from the chip manufacturer. The motherboard
manufacturer isn't always up to date.
I flashed the bios, but using PNP OS still gives better results.
On 6/18/2011 2:25 PM, Bob Camp wrote:
Hi
Like any basic tool it's just a start. Simply knowing that the system has this
or that latency compared to another system is a useful piece of data. Anything
under 100 us isn't going to be easy to find. Stuff that's into the many ms
range probably should be tracked down.
Bob
On Jun 18, 2011, at 3:35 PM, gary wrote:
Doing a bit of bios hacking, DPC shows better results with Plug and Play
enabled. It is my understanding that it is better to let the bios handle plug
and play rather than the OS, but the results are better with Plug and Play
handled by win7.
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