The IBM Diskette and Diskette Drive. research.ibm.com. [zarchiwizowane z tego adresu (2008-10-31)]., James T. Engh, 1981 – „where k = 1000” ... „This increased the formatted disk capacity to 81.6 kbytes.”.
The IBM Diskette and Diskette Drive. research.ibm.com. [zarchiwizowane z tego adresu (2008-10-31)]., James T. Engh, 1981 – „The user capacity of the diskette was established at 242 944 bytes on 73 tracks with 26 sectors on each track.”.
The IBM Diskette and Diskette Drive. research.ibm.com. [zarchiwizowane z tego adresu (2008-10-31)]., James T. Engh, 1981 – „This would double the capacity to approximately 0.5 megabytes (Mbytes).”.
The IBM Diskette and Diskette Drive. research.ibm.com. [zarchiwizowane z tego adresu (2008-10-31)]., James T. Engh, 1981 – „where k = 1000” ... „This increased the formatted disk capacity to 81.6 kbytes.”.
The IBM Diskette and Diskette Drive. research.ibm.com. [zarchiwizowane z tego adresu (2008-10-31)]., James T. Engh, 1981 – „The user capacity of the diskette was established at 242 944 bytes on 73 tracks with 26 sectors on each track.”.
The IBM Diskette and Diskette Drive. research.ibm.com. [zarchiwizowane z tego adresu (2008-10-31)]., James T. Engh, 1981 – „This would double the capacity to approximately 0.5 megabytes (Mbytes).”.