4–6 336493-004 Service Reference Guide, d200
Ultra ATA Drive Guidelines and Features
*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.
4.3.4 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 Setup).
4.4 SMART
The Self Monitoring Analysis and Recording Technology (SMART) ATA drives for the HP
Personal Computers 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.
Attach Sequence Worksheet - Four Device Installation (Sample)
Device Name
Device
Class
Position
Number
Controller
Name
Device
Number
Ultra ATA-100 hard drive 1 1 Primary 0
DVD-CDR/W drive 2 2 Secondary 0
ZIP-250 drive 4 3 Secondary 1
Ultra ATA-100 hard
drive*
1 4 Primary 1
1
2
4
3
Primary
Controller*
41
Secondary
Controller
32
Device 1 Device 0
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