System information

G–4 Service and Technical Reference Guide, xw3100
Ultra ATA Drive Guidelines and Features
Scenario Two: a system has three devices. Using the Device Class Table in Section 4.3.1, the
device class for each is identified as:
■ Ultra ATA-100 hard drive = Class 1
■ Ultra ATA-100 hard drive = Class 1
■ CD-ROM drive = Class 3
Attach Sequence - Three Device
Device Name
Device
Class
Position
Number
Controller
Name
Device
Number
Ultra ATA-100 hard drive 1 1 Primary 0
Ultra ATA-100 hard drive 1 4 Primary 1
CD-ROM drive 3 2 Secondary 0
Primary
Controller
Empty
4
HDD
1
Secondary
Controller
Empty
3
DVD-ROM
2
Device 1
Device 0
Device 1 Device 0
Primary
Controller
HDD
4
PrimaryHDD
1
Secondary
Controller
Empty
3
CD-ROM
2
Device 1
Device 0
Device 1 Device 0