HP Compaq dx6050 MT - Page 59

Service Reference Guide, d300, dx6050 319865-008 4–7
Serial and Parallel ATA Drive Guidelines and Features
Example 1: Three-Device Installation Sample
A system has three devices: Ultra ATA-100 hard drive, CD-ROM drive, and a DVD drive. Using
the Device Class Table in Section 4.3.1, “PATA Device Classes,” the devices may be identified
as:
■ Ultra ATA-100 hard drive = Class 1
■ DVD drive = Class 2
■ CD-ROM drive = Class 3
✎
Cable lengths may restrict drive usage.
Attach Sequence Worksheet—Three-Device Installation (Sample)
Device Name
Device
Class
Position
Number
Channel
Name
Device
Number
Ultra ATA-100 hard drive 1 1 Primary 0
DVD drive 2 2 Secondary 0
CD-ROM drive 3 3 Secondary 1
1
2
4
3
Primary
Channel*
41
Secondary
Channel
32
Device 1 Device 0