System Specifications B-7Diskette DriveSystems come with a Mobile Diskette Drive, 3 1/2-inch, 1.44 MB Capacity— High density mode:Unformatted: 2.00/1.00 MBFormatted: 1440 KB (512B 18 Sec)720 KB (256B 18 Sec)— Normal density mode:Unformatted: 1.00/0.50 MBFormatted: 640 KB (256B 16 Sec)20 KB (128B 16 Sec) Data transfer rate— High density mode: 500/250 Kbit/sec— Normal density mode: 250/125 Kbit/secHard DriveSystems come with a Mobile 6.0-GB or a Mobile 12.0-GB EIDE UltraDMA/66 hard drive. Total capacity (formatted) — 6.01 GB or 12.07 GB Sector size — 512 bytes Number of discs — 1 (6 GB) or 2 (12 GB) Number of heads — 2 (6 GB) or 4 (12 GB) Rotational speed — 4200 rpm Seek time (average) — 12 ms Ambient temperature — operating 5°C to 55°C, non-operating -40°Cto 65°C