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#11
The little "screen" that eventually posts A0 is a debug LED (definitely not the BIOS version). It reports what state the board is in and can be used to determine if there is a problem or not and, if there is, what the problem may be. Check the user manual for your MOBO to see what the various codes mean.
The fans on that case appear to be fixed speed. If the connectors on the fan cables are three wire, then they are probably fixed speed. The only way to get more speed and/or variable speed is to replace them with PWM four wire fans connected to the MOBO fan ports or to a separate fan controller. I suggest running the stock fans for a while to see if cooling is a problem or not. They may not need replacing. Keep in mind faster fans don't always cool better and will most likely be noisier.