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----- Original Message -----
From: "Bob Fulks" <bfulks@xxxxxxxxxxxx>
To: <omega-list@xxxxxxxxxx>
Sent: Wednesday, June 07, 2000 9:56 AM
Subject: Disk Parameter Tuning Utility?
> Slightly off topic but perhaps of general interest.
>
> I recently was running some benchmarks on the performance of TS4.0
> and TS2000i and discovered several computer settings that were not
> optimum:
>
> > On an HP Pavilion 8550C Win98 machine, the Device
> Manager:Properties:Settings panel had DMA unchecked.
> I checked it and the disk transfer rate increased
> from 5 to 13 MB/sec and a TradeStation benchmark
> improved the optimization speed by almost a factor
> of two. (Somewhat surprising for a commercial machine,
> I would think.)
>
> > On a custom built Win2000 machine, the Device
> Manager:Disk Drives:Disk Properties panel had Write
> Cache enabled but the write cache was not enabled
> in the BIOS. I made them consistent and the disk
> write performance went from 8 to 23 MB/sec and the
> TradeStation benchmark was again a factor of two
> faster.
>
> All of this makes me wonder what other settings on my various
> machines are not optimum - hence my question:
>
> Does anyone know of a utility program that can analyze your machine
> to see if all of the various settings are correct? (I have done some
> searching but have not located such a thing.)
>
> Alternately, is there some web site reference that discusses what the
> proper settings are?
>
> Thanks.
>
> Bob Fulks
>
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