Seagate Medalist 1640, Руководство по эксплуатации продукта

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Spinup Seeking
Read/
write
Idle Standby
Current at +12V
Amps peak
1.60 ---- ---- ---- ----
RMS amps typ
0.885 0.530 0.315 0.295 0.015
Watts typ
10.62 6.36 3.78 3.54 0.18
Current at +5V ---- ---- ---- ---- ----
RMS amps typ
0.260 0.41 0.44 0.235 0.115
Watts typ
1.3 2.05 2.2 1.18 0.575
Power
Total watts typ
11.92W 8.41W 5.98W 4.72W 0.755W
1.8.1.1 Active mode
During the Active mode, the drive is involved in spinup, seeking or
read/write activities.
•
Spinup. Spinup mode is entered from the Standby mode. The drive
brings the spindle and discs up to operating speed. Power in this mode
is measured from power-on to the time the drive is ready for normal
operation.
•
Seeking. Seek mode is entered from Idle mode. The read/write heads
are moved to a specific location on the disc surface in preparation for
reading from or writing to the disc. Typical power is defined as the
power average of executing random seeks with a 2-revolution (22.2
msec) dwell between Seek commands.
•
Read/write. Read/write power and current are measured with the
heads on track. The test cycle consists of writing 16 sectors followed
by a 22.2 msec delay and reading 16 sectors followed by a 22.2 msec
delay.
10 Medalist 1640 and 2140 Product Manual, January 1996