To all FlexRadio Systems SDR owners:
PowerSDR v2.4.4 has been released and is available for download at the
following URLs:
PowerSDR v2.4.4 Installer:
http://support.flex-radio.com/Downloads.aspx?id=401
PowerSDR v2.4.4 Release Notes:
http://support.flex-radio.com/Downloads.aspx?id=402
PowerSDR v2.4.4 is a significant release with several VERY IMPORTANT
caveats. Please read this message and the PowerSDR v2.4.4 Release
Notes in their entirety.
Seriously, we are not kidding. PLEASE READ THE RELEASE NOTES before
installing PowerSDR v2.4.4
With PowerSDR v2.4.4 there is a new look and feel to the integrated
software installer. It is more streamlined requiring fewer decisions to
be made regarding your radio type(s) and what accessories you have
connected to your PC due to pre-installing all necessary drivers for all
radio types. Even if you only currently use a FLEX-1500, the FLEX
Firewire driver will be preloaded, but not used unless you connect a
FLEX-5000 or FLEX-3000 to your computer. This will eliminate the need
to re-install PowerSDR if you use a different radio type or decide to
add a FlexControl at a later date. Because of this new feature, the
PowerSDR integrated software installer will prompt you to reboot your PC
after it has completed installing PowerSDR v2.4.4.
Regarding new features, this release contains the long awaited streaming
Firewire driver v4.0.0 for the FLEX-5000 and FLEX-3000. This driver
utilizes a brand new streaming architecture that improves throughput
performance (reduced latency) and better resiliency to PCs that
experience long duration deferred procedure call (DPC) latencies. With
the older Firewire driver, long duration DPCs would result in distorted
audio; this is no longer the case. The audio can still "freeze" if the
DPC latency is in excess of ~15,000 µS.
Because of the completely different streaming architecture of the v4.0.0
Firewire driver, it requires firmware updates that are *NOT BACKWARDS
COMPATIBLE* with previous versions of PowerSDR. This means that once
you install PowerSDR v2.4.4 you will not be able to use previously
installed versions of PowerSDR unless you revert back to the older
Firewire driver and firmware versions. There are instructions in the
PowerSDR v2.4.4 Release Notes that describes that procedure in detail.
There are no significant changes to the database schema with PowerSDR
v2.4.4 so you should be able to import data from PowerSDR v2.3.5 if the
Strict DB Import Compliance option is unchecked in the
Setup->General->Options tab. You can always use the K9DUR SDR Data
Transfer Utility v5.0 to migrate database data from a previous version
of PowerSDR too.
(http://k9dur.rnaconsultingservices.com/SDRDataTransfer.aspx).
In conjunction with the new Firewire driver and optimizations compiling
the DSP code, testing of PowerSDR v2.4.4 has shown a significant
improvement in CW operation regarding RX->TX->RX transition timing over
previous versions of PowerSDR. These improvements are also applicable
to all modes, but are most noticeable when operating CW.
In the EU, some radios require their transmit frequency ranges to be
modified to meet regulatory compliance. For these radios, PowerSDR now
creates an IARU Region 1 specific band text database (the readout below
the VFO), band edge markers and realigned band stack registers.
There are also other features and numerous bug fixes included with
PowerSDR v2.4.4 that are documented in the PowerSDR v2.4.4 Release
notes, so please review them before installing PowerSDR v2.4.4.
If you have issues installing or operating PowerSDR v2.4.4 with
FlexRadio's software defined radios, please refer to the Release Notes
first, as the answer to your questions may be located there. If you
still can't resolve your issues, then contact FlexRadio Systems
technical support by opening a HelpDesk ticket on-line at
http://helpdesk.flexradio.com or by phone at +1 (512) 535-4713 extension
#2. Please leave a voice mail message if you don't get an answer as all
of our engineers are probably busy on existing calls. Opening a
HelpDesk ticket is the preferred method for getting the quickest
resolution to your issue.
-Tim
--
Tim Ellison, W4TME
Product Management, Sales & Support
FlexRadio Systems^(TM)
4616 W Howard Ln, Suite 1-150
Austin, TX 78728
Phone: 512-535-4713 Ext. 223
Email: [email protected] <mailto:[email protected]>
Web: www.flexradio.com <http://www.flexradio.com>
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