Seagate BARRACUDA 2LP ST31250W/WD/WC/DC - Manual (Page 20)

18 Barracuda 2LP Installation Guide, Rev. E
11 No terminator power. See Section 11.7.3.4 in the Barra-
cuda 2LP Product Manual.
12 All power-saving features are enabled (ASA II code only).
13 Seeking is defined as a third-stroke seek at OD. The com-
mand is issued every 20 msec.
14 Read track is defined as repeat reads of track 15 with a
78% duty cycle on N models, 32% duty cycle on W
models, 48% duty cycle on WC models, 60% duty cycle
on ND models, 44% duty cycle on WD models, and 44%
duty cycle on DC models.