about DOM boot speed
Maverick
07-09-2005, 10:26 PM
Hi,all
I am using XPe sp1 on my device(CPU is VIA C3 667MHZ), with 512MB PQI's DOM
and compressed NTFS. My image uses WinLogon and size is about
160MB(compressed). But it takes about 3 minutes to boot into desktop window.
After I switch to Compact Flash, the boot time is shortened to 1 minute.
I prefer using DOM on my device, but how to shorten boot time, any ideas?
Maverick
Andy Allred [MS]
07-09-2005, 10:26 PM
Gosh Maverick, there are a lot of things that can affect the performance of
these devices. Can you obtain the specs or online docs for each of the
devices and examine things like the internal architecture, the latency
delays, the r/w performance, whether they implement wear-leveling, seek
times, data xfer rates and very importantly if there are specific drivers
you should be using instead of generic system drivers.
I'm just guessing here, but if there's no pertinent instructions that were
missed in the configuration of the devices (meaning you've properly
configured the device), then this may be by design.
I could be wrong here, but a lot more information is needed. Now, none of
this answers your other issue of how to improve performance through changes
in the runtime. Off the top of my head maybe not using compression, but then
you'd probably not fit on the DOM <grin>
Good luck.
Andy
--
Embedded team blog: http://blogs.msdn.com/embedded/
This posting is provided "AS IS" with no warranties, and confers no rights.
"Maverick" <Maverick@maverick.com> wrote in message
news:OoXpVplbFHA.720@TK2MSFTNGP15.phx.gbl...
> Hi,all
>
> I am using XPe sp1 on my device(CPU is VIA C3 667MHZ), with 512MB PQI's
> DOM
> and compressed NTFS. My image uses WinLogon and size is about
> 160MB(compressed). But it takes about 3 minutes to boot into desktop
> window.
> After I switch to Compact Flash, the boot time is shortened to 1 minute.
>
> I prefer using DOM on my device, but how to shorten boot time, any ideas?
>
> Maverick
>
>
Maverick
07-09-2005, 10:26 PM
Thanks Andy.
Acturally, I've tested the same images(compressed or uncompressed, NTFS or
FAT) on DOM and CF, which shows that the boot speed on CF is 4 or 5 times
faster than on DOM. So I guess the bottleneck is on my my DOM(PQI's
industrial 512MB)'s bad performance. Does anybody using DOM manage to boot
within 1 minute? Or recommend some other brand?
Maverick
"Andy Allred [MS]" <andyall@online.microsoft.com> дÈëÓʼþ
news:%23pFONWtbFHA.2736@TK2MSFTNGP12.phx.gbl...
> Gosh Maverick, there are a lot of things that can affect the performance
of
> these devices. Can you obtain the specs or online docs for each of the
> devices and examine things like the internal architecture, the latency
> delays, the r/w performance, whether they implement wear-leveling, seek
> times, data xfer rates and very importantly if there are specific drivers
> you should be using instead of generic system drivers.
>
> I'm just guessing here, but if there's no pertinent instructions that were
> missed in the configuration of the devices (meaning you've properly
> configured the device), then this may be by design.
>
> I could be wrong here, but a lot more information is needed. Now, none of
> this answers your other issue of how to improve performance through
changes
> in the runtime. Off the top of my head maybe not using compression, but
then
> you'd probably not fit on the DOM <grin>
>
> Good luck.
> Andy
> --
> Embedded team blog: http://blogs.msdn.com/embedded/
>
> This posting is provided "AS IS" with no warranties, and confers no
rights.
>
>
>
> "Maverick" <Maverick@maverick.com> wrote in message
> news:OoXpVplbFHA.720@TK2MSFTNGP15.phx.gbl...
> > Hi,all
> >
> > I am using XPe sp1 on my device(CPU is VIA C3 667MHZ), with 512MB PQI's
> > DOM
> > and compressed NTFS. My image uses WinLogon and size is about
> > 160MB(compressed). But it takes about 3 minutes to boot into desktop
> > window.
> > After I switch to Compact Flash, the boot time is shortened to 1 minute.
> >
> > I prefer using DOM on my device, but how to shorten boot time, any
ideas?
> >
> > Maverick
> >
> >
>
>
about DOM boot speed