BYTES_PER_TRACK    28 fdisk.cpp      #define TRKS_PER_LOG_DRV (MAX_BYTES_PER_LOGICAL_DRIVE/BYTES_PER_TRACK)
BYTES_PER_TRACK    35 fdisk.cpp      #define TRKS_PER_PHY_DRV ((BYTES_PER_PHY_DRV/BYTES_PER_TRACK)-1)