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Question: I have an old laptop I use for tuning, Can TunerStudio run on sub GHz processors?
Answer: Yes! Typically a 1 GHz processor is more than enough to run TS well, a good deal of time was put into making sure TS could run on old slow tuning laptops. There are people running on 366MHz Laptops :). The biggest variable beyond processor is the Video chipset and driver. So if you are using an older laptop, you may want to adjust some of the more resource intensive options as they can have a significant impact on performance.
Here are a list of changes that have significant performance impacts:
  • Dashboard Anti Aliasing - Right Click on the dashboard and there is an option for Antialiasing. This being on has little to no impact with good video drivers, however on older machines, antialiasing being on can double CPU usage.
  • Dashboard selection - The default dash with the 8 gauges has no gauges overlapping, the cooler ones do overlap gauges. When gauges have no overlapping I can perform some additional optimizations that have a significant savings. So try the default dash.
  • Data Rate - Under the communications Menu, there is a dialog for Data Rate, the higher the data rate the more paining that will be triggered and more calculations that are required. Keeping that at 15 or even 10 Records Per Second is probably a good idea on slower machines.
  • Modal Dialogs - Under the Menu "Options-->Performance-->Modal Dialogs" , this options will stop painting the dashboard while any dialogs are open so your CPU can focus on the dialog at hand. Any data logging continues.
  • The Run In Lite Mode options eliminates the tabs, but sets several of these other options at once.
 
Question: Does TunerStudio support Macs?
Answer: Yes! You can download an installer for OS X leapord and snow leapord here
 
Question: I am getting a BSOD on windows, why and how do I fix it?
Answer: This is a a known problem with the Prolific usb to serial driver impacting all cables that are based on the prolific chipset including the IOGear cable.
I have seen computers work fine with this chipset and driver, but then at some point BSOD and from there on it will cause problems. It seems as though the driver does not handle a potential conflict adn Prolific has been slow to fix it.

Update:
Prolific has released a fairly new (May25, 2011) driver that appears to finally fix this: New Driver
This driver will not auto-update in Windows (on my machines, anyhow), You must remove the old driver first using the device manager, or the following utility if the device manager doesn't work: Driver Removal Utility
The software and driver update page is here: http://www.prolific.com.tw/eng/downloads.asp?ID=31