NEC POWERMATE CT 815 - RELEASE NOTES, Service And Reference Manual

Page: 125 / 155

Specifications 9-5
Diskette Drive Specifications
Typical specifications for a diskette drive are included in the following table.
Diskette Drive Specifications
Feature Specification*
Recording 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)
320 KB (128B 16 Sec)
Data Transfer Rate High density mode: 500/250 Kbit/sec
Normal density mode: 250/125 Kbit/sec
*Specifications may vary by model.
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.
Quantum 5,400 RPM Hard Drive Specifications
Feature Specification
Hard Drive 10 GB or higher
Features Ultra ATA/66/100
Shock Protection System II (SPS II)
Data Protection System (DPS)
Interface Ultra ATA/66/100
Typical Average Seek Time 8.9 ms
Rotational Speed 5,400 RPM
Internal Data Rate Up to 297 Mb/sec
Buffer Size 512 KB
Typical Power Draw
Idle
Operating 5.0 W
8.5 W
Peak Current 700/1,700 mA on +5v / +12V
Temperature (non-
condensing) Operating: 5° to 55° C (41° to 131°F)
Non-operating: -40° to 65°C (-40° to 160°F)