18 | Barracuda 4 Installation Guide, Rev. E |
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9Where power is provided to multiple drives from a com- mon supply, careful consideration for individual drive power requirements should be noted. Where multiple units are powered on simultaneously, the peak starting current must be available to each device.
10Operating condition is defined as a third stroke seek at OD and read one track. A command is issued every 0.063 sec for N/W/WD/WC/DC drives (0.075 sec for ND drives).
11No terminator power. See 11.7.3.4 in the Barracuda 4 Product Manual.
12All power saving features enabled; ASA II code only.
13Seeking is defined as a third stroke seek at OD. A command is issued every 20 msec.
14Read track is defined as repeat reads of track 15 with a 60% duty cycle for N/ND drives, 74% duty cycle for W drives, 32% duty cycle for WC drives, 44% duty cycle for WD drives, and 50% duty cycle for DC drives.
