Technical Reference Guide A–5
Ultra ATA / IDE Guidelines
Example 1: Three Device Installation Sample
A system has three devices: Ultra ATA-133 hard drive, CD-ROM drive, and a DVD drive. Using
the Device Class Table in Section 4.3.1, the devices may be identified as:
■ Ultra ATA-133 hard drive = Class 1
■ DVD drive = Class 2
■ CD-ROM drive = Class 3
Attach Sequence Worksheet – Three Device Installation (Sample)
device name
device
class
position
number
controller
name
device
number
Ultra ATA-133 hard drive 1 1 Primary 0
DVD drive 2 2 Secondary 0
CD-ROM drive 3 3 Secondary 1
1
2
4
3
Primary
Controller*
41
Secondary
Controller
32
Device 1 Device 0
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