You already gave your answer to the problem, you said it does not post Ie one beep of the bios to say all the hardware checks out ok. But you said when you take the memory out it gives you eight beeps to say there is no memory fitted in the system. That means the bios is working first of all so the board cannot be at fault. And the second is if it does not boot on replacement of the memory it has something to do with it.
Try http://www.enounce.com for flash files. You can speed up and slow down the playing speed. They have a free 7 day trial and the price is under $30. You can also adjust the play speed in windows media player for avi files. Select a) Now Playing, from the top toolbar, b)  Enhancements, c) Play Speed Settings.
It typically uses the .mp4 extension. Windows Media Player does not support the playback of the .mp4 file format. You can play back .mp4 media files in Windows Media Player when you install DirectShow-compatible MPEG-4 decoder packs. DirectShow-compatible MPEG-4 decoder packs include the Ligos LSX-MPEG Player and the EnvivioTV. Microsoft has chosen to implement the video compression portion of the MPEG-4 standard.