I just bought my new Geforce 2 (MX400 64MB) and I found out that it doesnot support 32bit z-buffer , it uses only 24bit. Also if i set 16bit color depth then only 16bit z-buffer is available. Is this normal? My old TNT card could use 32bit zbuffer but only if the color buffer is also 32bit. I am using the choosepixelformat method to select the depth of my buffers.