Larry, On Windows 7, you should revert to the Legacy driver per this Knowledge Base article. There is a bug in the new Microsoft OHCI1394 driver in Win7 that affects some systems.
http://kc.flex-radio.com/KnowledgebaseArticle50433.aspx?Keywords=legacy+driver 73, Gerald Gerald Youngblood, K5SDR President and CEO FlexRadio Systems(TM) 13091 Pond Springs Road, #250 Austin, TX 78729 Phone: 512-535-4713 Ext. 202 Email: [email protected] Web: www.flex-radio.com Tune In Excitement (TM) PowerSDR(TM) is a trademark of FlexRadio Systems On Mon, Sep 6, 2010 at 12:17 PM, Larry Rappaport <[email protected]> wrote: > Here too. Win 7 Pro (32 bit), 2.08 Flex 5000A. > > 73, > -- > > Larry, W1HJF > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of George Steube > Sent: Monday, September 06, 2010 12:48 PM > To: Gerald Youngblood; Gerald Donnelly > Cc: [email protected] > Subject: Re: [FlexEdge] Flex 5000a--Sudden drop in noise floor--loss > ofsensitvity > > Hi Gerald, > I have seen the same problem using XP/2.0.8/Flex 5KA. I have inserted an > earlier email on the problem below. I am still trying to figure out if > this > is a software or hardware problem. I have a couple of test yet to run and > if you have any suggestions I would be happy to try them, unfortunately the > problem is intermittent so it makes harder to fix. > Best regards, > George > W2GS > > > I am running PSDR 2.0.8/XP/3.3.2.8028. Occasionally after I transmit the > receiver noise level sensitivity drops to -150 on the pan adapter with the > received signal going down with it. Normally at my station the noise level > sensitivity is in the -115/-120 range. I have noticed that when this > happens if I turn the preamp off the signal noise level rises to -135. > When > the unit is operating properly turning the preamp on and off has no effect > on the noise level. I have done the following to try and fix the problem: > started/stopped PSDR with no change in sensitivity (stays at -150), > shutdown > PSDR, the computer and the radio itself and restarted no effect, along the > way I have reset the data base a number of times. When this problem occurs > transmit is not affected. Last night I was operating on 40M SSB and this > happened I could not recover the receive sensitivity to where the rig was > operable. This morning I re-started everything and operation is normal. I > then reset the data base and I am now waiting to see what happens. Any > ideas as to what's going on? Thanks. > George > W2GS > > > > _______________________________________________ > Flexedge mailing list > [email protected] > http://mail.flex-radio.biz/mailman/listinfo/flexedge_flex-radio.biz > This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is used > for posting topics related to SDR software development and experimentalist > who are using beta versions of the software. > > > _______________________________________________ > Flexedge mailing list > [email protected] > http://mail.flex-radio.biz/mailman/listinfo/flexedge_flex-radio.biz > This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is used > for posting topics related to SDR software development and experimentalist > who are using beta versions of the software. > _______________________________________________ > Flexedge mailing list > [email protected] > http://mail.flex-radio.biz/mailman/listinfo/flexedge_flex-radio.biz > This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is used > for posting topics related to SDR software development and experimentalist > who are using beta versions of the software. > _______________________________________________ Flexedge mailing list [email protected] http://mail.flex-radio.biz/mailman/listinfo/flexedge_flex-radio.biz This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is used for posting topics related to SDR software development and experimentalist who are using beta versions of the software.
