11. The CMX 600 could support up to six disk pack drives, for a total recording time of 27 minutes. 12. The IBM 2311 Disk Storage Drive was introduced with the IBM 1316 Disk Pack introduced with the IBM 1311. 13. Plusnet explained that the engineer responsible had accessed both the live and backup disk packs from a single workstation. 14. An operator " mounted " the desired disk pack when a program requested access with a resource mount command. 15. In 1966, the first 1316 disk pack was about in diameter and had six platters stacked on a central spindle. 16. Also in 1973, Control Data Corporation introduced the first of its series of SMD disk drives using conventional disk pack technology. 17. The General Electric GE-115 was equipped with 12K of magnetic-core memory and a hard disk drive with a removable disk pack . 18. Each tape could store 202 cylinder images of 19 tracks each, half of the 404 cylinders in a 3330 disk pack . 19. The engineer believed his reconfiguration was to the backup storage when it was actually connected to the live email disk pack . 20. The disk packs are not interchangeable between those written on the Model 1 and those written on the Models 11 or 12.
