Parallel ATA (IDE) uses 40 pins, not 26. 26 was for floppies. But it's a standard 40-pin "header" connector. Sometimes called "IDC". CF cards have the PATA interface on a 50-pin connector. I don't ...
On page 4, there is an "IDE Power" connector. It looks a lot like a 4 pin CPU fan connector, but it (obviously) provides different voltages that are appropriate for 3.5" IDE drives (5V, 12V) and the ...