I've got myself a 4Gb SanDisk Extreme IV CF card (genuine, not a dodgy Ebay job) FAT32 formatted and a CF-IDE adapter. The adapter has three jumpers for external/IDE power, master/slave and 5.5v/3.3v which by default are set to external/master/5.5. The system will post with the card in my IDE port and it is detected as an IDE hard disk by the BIOS, but it won't boot into Windows, it just hangs after post with a blank screen. I've tried several combinations of the jumpers but there was no change. Any ideas?