About that 3.2 Gbit limit have you tried eboostr eboostr
Also your mention of a ram disk reminded me of a old DOS ram disk/ disk cache called combi. COMBI-Disk v1.18 - RAM disk & disk cachefile number 85. When I had a 286, this was the best cache program I had seen. It will give a program the memory it needs, and do a ram disk and disk cache at the same time. If I remember right it adjusts the sizes dynamically. I was running this dos web browser on a 1200 modem and it would take about 5 minutes to resolve a page due to my video card being 256 colors. This one program brought that down to about one minute. If you like old dos programs try it out.