Ken, Actually, 800 Mbps would not buy us anything because 400 Mbps is plenty fast for our application. FireWire can run a lot of channels on 400 Mbps.
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.flexradio.com <http://www.flex-radio.com/> Tune In Excitement (TM) PowerSDR(TM) is a trademark of FlexRadio Systems On Sat, Dec 18, 2010 at 12:12 PM, Ken Danser <[email protected]> wrote: > Thank you Brian, Dudley, and Tim! > > I was hoping to use the 800 (1394B) for a faster connection. > > I guess if it's not broken... > > Anyway thank you all the reply. > > Ken > K3YI > > > > > ________________________________ > > > The Firewire speed is not dependent on software. That is defined by the > physical interface, which on the FLEX-x000 is IEEE 1394a or Firewire 400 > (400 > Mb/s.) that uses a 6-pin connector > > As per the IEEE 1394b or Firewire 800 (800 Mb/s) specification, a 1394b HBA > (host bus adapter) can connect to 1394a devices as it is backwards > compatible to > the slower rates and 6-pin connectors of FireWire 400. However, while the > IEEE > 1394a and IEEE 1394b standards are compatible, FireWire 800's connector is > different from FireWire 400's connector, making the legacy cables > incompatible. > A "bilingual" cable allows the connection of older 1394a devices to the > newer > 1394b port. > > While this is the spec, the reality of the situation is that to doesn't > always > work. Windows XP and Vista do not have native support for 1394b HBCs and > require hardware vendor specific drivers. Win7 does have native support > for > both the 1394a and 1394b HBCs, so the probability of a 1394b adapter > working > properly is greater than with earlier Windows operating systems. > > > -Tim > > -----Original Message----- > From: [email protected] [mailto: > [email protected]] > On Behalf Of Ken Danser > Sent: Saturday, December 18, 2010 12:02 AM > To: [email protected] > Subject: [FlexEdge] Firewire 400 /800 > > Hello, > > I am curious if PSDR is now written so that the fire-wire 800 can be used > instead of the fire-wire 400? > > If I am thinking right, the hardware is only design for the 400 but I have > also > thought maybe someone found a way to modify it to work on the 800. > > So the question stands! > > Thank you, > Ken > K3YI > _______________________________________________ > 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.
