Thank you all for your great support. I am still waiting for the Flex-5K on the next group of 30, but hanging on the edge of every post to learn all I can before receiving the Flex-5K! > > I like the idea of replacing the on board Fire wire with an external > one just to be sure their are no interrupts, etc. > > Thank you all. > Ken > K3YI > > > FlexRadio KB Admin wrote: >> To buy or not to buy a Firewire card. That is the question. >> >> IMHO, wait and see if it works. The only issues with motherboard >> Firewire >> cards is that motherboard manufacturer's may use cheaper or combo >> (USB/Firewire) chip sets and system interrupt sharing. Many different >> motherboard peripherals may share the same system interrupt. For my >> Asus >> motherboard, the internal Firewire (VIA) controller shares interrupts >> with >> the RAID controller, SATA controller, both Ethernet controllers, the >> USB 1.1 >> controller and PCI slot#1. I knew that during normal operation, I >> would be >> heavily using the LAN, RAID and SATA peripherals and that would make the >> 1394 have to wait for available interrupts to process PowerSDR data >> streams. >> So I choose to install a PCI-E Firewire card since no other devices >> would >> use the same system interrupt as the Firewire host controller and >> that would >> guarantee less system latency. >> >> On the other hand, the motherboard chip sets might work just fine and in >> that case there is no need to use a PCI or PCI-E bus card. Since >> there are >> not a lot of FLEX-5000s out there right now, there is not a lot of >> empirical >> data to draw any reasonable conclusions. >> >> >> -Tim >> >> >> To: Flex Radio >> Subject: Re: [Flexradio] 5000 Beta testers: What firewire cards work? >> >> Since we are on the subject, I had bought a new system board by "Intel". >> (D975Xbx2) >> >> This has a built in fire wire port. >> Can anyone confirm that this is the best connection or would it be in my >> best interests to purchase an external fire wire card? >> >> Thank you! >> Ken >> K3YI >> >> >> >> >> >> FlexRadio KB Admin wrote: >> >>> Please refer to the KB article on how to pick a Firewire host >>> controller, Selecting High Performance Firewire Cards for FlexRadio >>> Transceivers http://kb.flex-radio.com/article.aspx?id=10250 >>> >>> -Tim >>> FRS KB Administrator >>> >>> -----Original Message----- >>> From: [EMAIL PROTECTED] >>> [mailto:[EMAIL PROTECTED] On Behalf Of Jerry Flanders >>> Sent: Saturday, August 04, 2007 1:36 PM >>> To: FlexRadio@flex-radio.biz >>> Subject: [Flexradio] 5000 Beta testers: What firewire cards work? >>> >>> You guys who have been doing the checkout of the 5000 - what >>> firewire card are you using? Hopefully every tester will respond so >>> we will know what works. Some are motherboard built-ins, I am sure, >>> but others may be independent cards. >>> >>> The emachines dual-core P4 I plan to use did not come with firewire >>> on the motherboard, so I must shop. >>> >>> Thanks >>> >>> Jerry W4UK >>> >>> >>> >> >> _______________________________________________ >> FlexRadio mailing list >> FlexRadio@flex-radio.biz >> http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz >> Archive Link: http://www.mail-archive.com/flexradio%40flex-radio.biz/ >> FlexRadio Knowledge Base: http://kb.flex-radio.com/ FlexRadio Homepage: >> http://www.flex-radio.com/ >> >> >> >> > >
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