I see i have to change my laptop. My question now is: What laptop are you using (without problems) with your flex radio?
Tim Ellison escribió:
"Firewire is sharing IRQ with video card and one usb port. I don't know hot to change irq in the laptop." This is probably your issue. With ACPI motherboards along with the ACPI Windows HAL, you can't really change the IRQ assignments. Some BIOS allow a little latitude in this area, most don't. The reality of this situation is that a lot of laptops are not going to be well suited for use as a hardware platform for real-time audio processing. Laptops are deigned for (a) battery life and (b) portability. Those design goals are achieved at the expense of I/O and processor performance. Occasionally you will run into a laptop that works just fine. Other times you can get a laptop that has the best specs in the world and is touted to be a "multi media" high performance machine and it just plain stinks up the place when running PowerSDR. I have one of the later machines from Dell. It looks like you have done all the right things as far as performance tuning. Is the version of Windows installed on the laptop one that came from Toshiba or did you load it yourself from a retail CD? I have found that loading the OS myself eliminates any of the integrator installed "fluff" programs that they include for usability or support and those get in the way of a laptop being able to reach it's highest performance potential. I know Neal (K3NC) is looking into a laptop optimized for PowerSDR, but due to low demand and high cost may not be offering it as a product. (http://www.abrohamnealsoftware.com/proddetail.php?prod=answc001) One other thing you can try is to use the on-board Firewire interface and see if that works any better. Good luck. -Tim
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