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At the risk of going just a bit off topic I add the following since we are talking about computers and radio station apps.
Windows XP with SP3 will run multicore (at least two) if the applications support this. One way to check is to open Windows Task Manager (CTRL-ALT-DELETE sumultaneously) and click on the Performance tab. Click on View and select CPU History and One Graph per CPU. There is a graph on the left labelled CPU History which shows the total CPU Usage for all cores but on the right at the top are two graphs showing the CPU Usage for each core.
On some applications only one core will show activity and on others both cores will show activity.
I use a program called Video-Re-Do Plus to edit and process video files and both cores show full usage with this. Some of the older programs for video and audio show only one core active.
The big problem for me going from XP to Win7 is that XP allows the applications to directly control the hardware drivers where Win7 does not and requires hardware driver calls to be made through Win7. For most things this won’t be a problem but for some hardware it is. For example, I use a PCI1200 A/D card which works fine with XP but not at all with Win7. Even under XP compatibility mode Win7 forces the driver calls through Win7 and in my case since the card is rather old there are no drivers available to use it under Win7.
The other nastiness of Win7 over XP is that Win7 will not allow loop-back of output audio to audio input under software control. This can be worked around with patch cables but it is nicer to have the software do it. Some mixers used with XP won’t allow this but the older versions of sndvol (the mixer) will.
There are a lot of very nice features added to Win7 but there are some gotchas if you are using older hardware. Another gotcha I experienced was Win7 has replaced Outlook Express with another incompatible email program and I do not want to go to the trouble of converting my addresses and archives to the new program.
Since XP does what I want I decided to stay with it. I am not concerned with the termination of support since it works and I haven’t applied any updates in over a year with no problems. I just avoid using Internet Explorer for web stuff so security updates are not needed. Windows Security Essentials and updated Firefox browser have prevented any virus or malware problems. There may be vulnerabilities but thus far no problems.