Disk indexing, maybe?
-Tim -----Original Message----- From: flexradio-boun...@flex-radio.biz [mailto:flexradio-boun...@flex-radio.biz] On Behalf Of Ruben Navarro Huedo Sent: Sunday, August 16, 2009 4:42 PM To: Toby Payne Cc: FlexRadio@flex-radio.biz Subject: Re: [Flexradio] Toshiba Satellite U400 (now which laptop) I have been studing dpc latency and it is really extrange. Normally it is around 100 to 200, but suddenly (after some time) it goes to 6000 and powersdr stops comunication with the flex5000. Sometimes it happens in 10 minutes and other times in a lot of hours. It is very extrange. Toby Payne escribió: > I am using a Macbook on my Flex3K when I get away fro m the shack and > a MacMini on my Flex5K in the shack. I used to use a Dell on the 5K > but it was slow and would lock up. > > I am very Happy with the Mac's. > > Toby K7ABP > > > On Sun, Aug 16, 2009 at 10:14 AM, Ruben Navarro Huedo > <runa...@gmail.com <mailto:runa...@gmail.com>> wrote: > > Is anybody using a Macbook (non pro)? > > Jim Jerzycke escribió: > > I'm using an older HP Pavilion laptop with an AMD Athlon X64 > single-core. > It works fine, even the built-in firewire. > Jim KQ6EA > > --- On *Sun, 8/16/09, Mack /<mccormick_m...@hotmail.com > <mailto:mccormick_m...@hotmail.com>>/* wrote: > > > From: Mack <mccormick_m...@hotmail.com > <mailto:mccormick_m...@hotmail.com>> > Subject: Re: [Flexradio] Toshiba Satellite U400 (now which > laptop) > To: "Ruben Navarro Huedo" <runa...@gmail.com > <mailto:runa...@gmail.com>>, "Tim Ellison" > <telli...@itsco.com <mailto:telli...@itsco.com>> > Cc: FlexRadio@flex-radio.biz <mailto:FlexRadio@flex-radio.biz> > Date: Sunday, August 16, 2009, 6:43 AM > > The only laptop that I've had flawless performance from is the > Macintosh MacBook Pro running bootcamp and XP. Follow the article > carefully in the Flex KB to configure. > > 73, > > Mack de WB4MAK > www.nfarl.org <http://www.nfarl.org> > www.sedxc.org <http://www.sedxc.org> > > -------------------------------------------------- > From: "Ruben Navarro Huedo" <runa...@gmail.com > <mailto:runa...@gmail.com> > </mc/compose?to=runa...@gmail.com > <mailto:runa...@gmail.com>>> > > Sent: Sunday, August 16, 2009 09:35 > To: "Tim Ellison" <telli...@itsco.com <mailto:telli...@itsco.com> > </mc/compose?to=telli...@itsco.com <mailto:telli...@itsco.com>>> > Cc: <FlexRadio@flex-radio.biz > <mailto:FlexRadio@flex-radio.biz> > </mc/compose?to=flexra...@flex-radio.biz > <mailto:FlexRadio@flex-radio.biz>>> > > Subject: [Flexradio] Toshiba Satellite U400 (now which > laptop) > > > I see i have to change my laptop. > > My question now is: > > What laptop are you using (without problems) with your > flex radio? > > > > > > > > Tim Ellison escribió: > >> "Firewire is sharing IRQ with video card and one usb port. I > don't know hot to change irq in the laptop." > >> > >> This is probably your issue. With ACPI motherboards > along with > the ACPI Windows HAL, you can't really change the IRQ > assignments. Some BIOS allow a little latitude in this area, > most don't. > >> > >> The reality of this situation is that a lot of laptops > are not > going to be well suited for use as a hardware platform for > real-time > audio processing. Laptops are deigned for (a) battery life > and (b) > portability. Those design goals are achieved at the expense > of I/O > and processor performance. Occasionally you will run into a > laptop > that works just fine. Other times you can get a laptop that > has the > best specs in the world and is touted to be a "multi media" high > performance machine and it just plain stinks up the place when > running PowerSDR. I have one of the later machines from Dell. > >> > >> It looks like you have done all the right things as far as > performance tuning. > >> > >> Is the version of Windows installed on the laptop one > that came > from Toshiba or did you load it yourself from a retail CD? I > have > found that loading the OS myself eliminates any of the integrator > installed "fluff" programs that they include for usability or > support and those get in the way of a laptop being able to reach > it's highest performance potential. I know Neal (K3NC) is looking > into a laptop optimized for PowerSDR, but due to low demand > and high > cost may not be offering it as a product. > (http://www.abrohamnealsoftware.com/proddetail.php?prod=answc001) > >> > >> One other thing you can try is to use the on-board Firewire > interface and see if that works any better. > >> > >> Good luck. > >> > >> -Tim > > > > _______________________________________________ > > FlexRadio Systems Mailing List _______________________________________________ FlexRadio Systems Mailing List FlexRadio@flex-radio.biz http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz Archives: http://www.mail-archive.com/flexradio%40flex-radio.biz/ Knowledge Base: http://kc.flex-radio.com/ Homepage: http://www.flex-radio.com/ Message delivered to telli...@itsco.com _______________________________________________ FlexRadio Systems Mailing List FlexRadio@flex-radio.biz http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz Archives: http://www.mail-archive.com/flexradio%40flex-radio.biz/ Knowledge Base: http://kc.flex-radio.com/ Homepage: http://www.flex-radio.com/ Message delivered to arch...@mail-archive.com
