NEC 2000 manual Diskette Drive, 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

System Specifications B-7