ocr: Bitis set and a byte of zeroes is written on the disk, included in the data stream; and the Address Mark The command is not terminated. After the last data Detector is on for the duration ol the command. byte is written on the disk, the two-byte CRC is com- Because the AM detectoris always on, write splices puted internaily and written FM of on in the MFM. disk The followed WG out- by or The noise ID AM, may ID cause field, ID the CAC chip to bytes, look DAM, for an Data, AM. and one byte of logic ones in put is then deactivated. INTRQ sets 24 usec (MFM) Data CRC Bytes for each sector are corr ...
