SMART 153
Appendix C
*If there are three or more devices, two or more of which are hard drives, two hard drives should be attached to the
primary controller first before following the General Attach Sequence Rule.
Figure C–3 Installing Drive Order (3)
Additional Drive Application Notes
When replacing a hard drive, the replacement should be of the same type (Ultra ATA-33, -66, or -100) as that
being removed to retain the same level of performance.
When Ultra ATA and SCSI hard drives are mixed in the same system, the Ultra ATA drive will become the boot
drive unless the boot order is changed in Computer Setup (F10).
SMART
The Self Monitoring Analysis and Recording Technology (SMART) ATA drives for HP workstations have built-in
drive failure prediction that warns the user or network administrator of an impending failure or crash of the hard
drive. The SMART drive tracks fault prediction and failure indication parameters, such as reallocated sector count,
spin retry count, and calibration retry count. If the drive determines that a failure is imminent, it generates a fault
alert.
DVD-CDR/W drive 2
2
Secondary 0
ZIP-250 drive 4
3
Secondary 1
Ultra ATA-100 hard drive* 1
4
Primary 1
Table C-5 Attach Sequence Worksheet—Four Device Installation (Sample)
Device Name Device
Class
Position
Number
Controller Name Device
Number
1
2
4
3
Primary
Controller*
41
Secondary
Controller
32
Device 1 Device 0
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