The BPB FDC descriptor defines all the parameters required to logically read an NTFS partition. It is stored at a location pointed to be the Partition Table record, and typically it is sector 0x3F (63).
The FDC starts at byte 0xb, and although similar to a FAT FDC has differences. The example below is described in detail.
000000 EB 52 90 4E 54 46 53 20 - 20 20 20 00 02 08 00 00 RNTFS
000010 00 00 00 00 00 F8 00 00 - 3F 00 FF 00 3F 00 00 00 ? ?
000020 00 00 00 00 80 00 80 00 - 2F 37 38 1D 00 00 00 00 /78
000030 00 00 0C 00 00 00 00 00 - 73 83 D3 01 00 00 00 00 s
000040 F6 00 00 00 01 00 00 00 - A0 74 26 B4 90 26 B4 54 t&&T
000050 00 00 00 00 FA 33 C0 8E - D0 BC 00 7C FB B8 C0 07 3м |