Diskette drive, Hard drive – NEC 2000 User Manual
Page 123

System Specifications B-7
Diskette Drive
Systems come with a Mobile Diskette Drive, 3 1/2-inch, 1.44 MB
!
Capacity
— High density mode:
Unformatted:
2.00/1.00 MB
Formatted:
1440 KB (512B 18 Sec)
720 KB (256B 18 Sec)
— Normal density mode:
Unformatted:
1.00/0.50 MB
Formatted:
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/sec
Hard Drive
Systems come with a Mobile 10.0-GB or a Mobile 20.0-GB EIDE Ultra
DMA/66 hard drive.
!
Total capacity (formatted) — 10 GB or 20 GB
!
Sector size — 512 bytes
!
Number of discs — 3 (10 GB) or 2 (20 GB)
!
Number of heads — 6 (10 GB) or 4 (20 GB)
!
Rotational speed — 4200 rpm
!
Seek time (average) — 12 ms
!
Ambient temperature — operating 5°C to 55°C, non-operating -40°C
to 65°C