Diskette Drive Specifications; Hard Drive Specifications; Quantum 5,400 Rpm Hard Drive Specifications - NEC POWERMATE CT 815 Service And Reference Manual

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Diskette Drive Specifications

Typical specifications for a diskette drive are included in the following table.

Hard Drive Specifications

Systems come with a 10-GB or higher Ultra DMA/66/100 Quantum or Maxtor hard drive
capable of 5,400 or 7,200 revolutions per minute (RPM). The specifications for Quantum 5,400
RPM hard drives, Quantum 7,200 RPM hard drives, Maxtor 5,400 RPM hard drives, and Maxtor
7,200 RPM hard drives are provided in the following tables.
Feature
Hard Drive
Features
Interface
Typical Average Seek Time
Rotational Speed
Internal Data Rate
Buffer Size
Typical Power Draw
Peak Current
Temperature (non-
condensing)

Diskette Drive Specifications

Feature
Specification*
Recording Capacity
High density mode:
Normal density mode:
High density mode: 500/250 Kbit/sec
Data Transfer Rate
Normal density mode: 250/125 Kbit/sec
*Specifications may vary by model.

Quantum 5,400 RPM Hard Drive Specifications

Idle
Operating
Unformatted: 2.00/1.00 MB
Formatted:
1440 KB (512B 18 Sec)
720 KB (256B 18 Sec)
Unformatted: 1.00/0.50 MB
Formatted:
640 KB (256B 16 Sec)
320 KB (128B 16 Sec)
Specification
10 GB or higher
Ultra ATA/66/100
Shock Protection System II (SPS II)
Data Protection System (DPS)
Ultra ATA/66/100
8.9 ms
5,400 RPM
Up to 297 Mb/sec
512 KB
5.0 W
8.5 W
700/1,700 mA on +5v / +12V
Operating: 5° to 55° C (41° to 131°F)
Non-operating: -40° to 65°C (-40° to 160°F)
Specifications 9-5

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