Hi Neal.
I get crap when I try to open www.windowsclub.com!..
What are you getting ?
Erik
Hi Dan
I think the thing to do is avoid using the internet if possible. The other
thing is find out where the 800us spike is coming from.
I always run my buffers at 1024 (and yes, I always set the processing
priority to Above Normal, just because I want PSDR to know its the king of
the box!).
Have you gone to www.blackviper and turned off all the crap that microsoft
defaults to be on? You might save yourself some effort and sweat by doing
that immediately.
I also turn off almost everything Aero. If you want a tip, go to
www.windowsclub,com and download their Ultimate Windows Tweaker software. Go
thru it and turn off shake, thumbnails, previews, etc. I also turn off the
virtual store of UAC, and a bunch of other stuff.
Go to the System control panel applet and click on the performance tab.
Click on the Settings for Best Performance radio button, then scroll down
the combo box and click on the smooth edges on fonts and the smooth scroll
of combo boxes.
Also, you should go to the Power control panel applet and set it for High
Performance under the powered on setting. Go to the advanced settings and
turn off almost all power control in hard drives, USB, PCI Express, etc
73
Neal Campbell
Abroham Neal Software
www.abrohamnealsoftware.com
(540) 645 5394 NEW PHONE NUMBER
Amateur Radio: K3NC
Blog: http://www.abrohamnealsoftware.com/blog/
DXBase bug reports: email to [email protected]
Abroham Neal forums: http:/www.abrohamnealsoftware.com/community/
On Tue, Jun 1, 2010 at 3:10 PM, dan edwards<[email protected]> wrote:
tim
--- On Tue, 6/1/10, Tim Ellison<[email protected]> wrote:
From: Tim Ellison<[email protected]>
Subject: RE: [FlexEdge] whither 'safe modes' ?
To: "dan edwards"<[email protected]>, "flex edge"<[email protected]>
Date: Tuesday, June 1, 2010, 6:27 PM
I wouldn't go as far as to say "shut up" but you should be happy that you
have it working on a laptop. You know, the old saying "don't look a gift
horse in the mouth" :-)
------------kinda the response i expected......though the cpu IS an intel
T-7200, 2 ghz, 4 megs L-2 cache...well above the benchmark '800'
number...------------
Not knowing exactly what you are expecting from "making a difference", I
can't say if changing process priority makes a difference. Setting it to a
too high of a level (real time) can cause real problems for the operating
system itself if the PC hardware is not robust enough to handle it (process
priority is not a "silver bullet").
-----------just for the heck of it, i tried 'real time'...seemed to play
just fine...but still could not lower audio buffers to 512 or
less...-----------
I personally do not mess with, nor have I ever needed to change the
process priority from the default of normal to get PowerSDR to work.
-----------i thought i wanted the buffers nice and short to minimize
latency, and make the filter skirts nice and tight...the desktop cranks
along at 256, no sweat....----------
In regards to SafeModes, they are different levels of "latency recovery"
that the Firewire driver uses to deal with long waits from excessive or long
duration DPCs. The purpose of SafeModes is to ensure that the audio
streams are not interrupted during times of long system latency events.
Since you have relatively low DPC latencies, I would not expect much
difference changing from the default SafeMode 1 to a higher SafeMode level.
--------------only other thing i can think of is to disable one of the usb
hub ports that seems to share an interrupt with the 1394a....though it didnt
make any difference in the past...then there's that registry hack i saw a
while back to load part of the OS in ram ( i think...)...
73, w5xz, dan
-Tim
-----Original Message-----
From: [email protected] [mailto:
[email protected]] On Behalf Of dan edwards
Sent: Tuesday, June 01, 2010 1:29 PM
To: flex edge
Subject: [FlexEdge] whither 'safe modes' ?
ok, i put psdr 2 on my laptop. win 7 home 32 bit. ibm T-60. ti-chipset
express firewire card. 4gb ram. dpc's under 200 uS. with ethernet internet.
800 usec spikes every 10 sec with wireless internet....but it runs anyway !!
found i had to run the audio buffers up to 1024 to get received audio to
sound 'clean'. with EITHER internet connection...
if i start the 8028 firewire driver software, i see i still have choices of
normal, safe mode 1, 2, and 3...but i dont seem to have access to the
various modes from inside PSDR 2.
even fiddled a bit with 'process priority'...didnt make much difference.
what am i missing? or "shut up and just be happy it's running" ??
73, w5xz dan
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posting topics related to SDR software development and experimentalist who are
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