IBM RS/6000 44P 270 Service Manual page 336

Table 8. Current PCI 2.1 Class Code Definition (continued)
C
Table 9. S2-S3-S4 Definition for devices/FRUs not defined in the PCI specification
Base Class S2
0
1
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Service Guide
Serial bus controllers
00 FireWire (IEEE 1394)
01 ACCESS.bus
02 Serial Storage Architecture (SSA)
03 Universal Serial Bus (USB)
04 Fiber channel
Sub-Class S3 -
S4 Description
10 AC Power
11 DC Power
20 Temperature-Related Problem
21 Fans
30-3x Cables
40-4x Terminators
50 Operator panels
60-6x Reserved
70-7x Reserved
90-9x Reserved
A0 ROS Heartbeat
B0 O/S Heartbeat
D0 Unknown device
E0 Security
A0 SCSI Drivers (generic)
B0 IDE Drives
C0 RAID Drives
D0 SSA Drives
E0 Tapes SCSI
E1 Tapes IDE
ED SCSI changer
EE Other SCSI device
EF Diskette drive
F0 CD-ROM SCSI
F1 CD-ROM IDE
F2 Read/Write optical SCSI
F3 Read/Write optical IDE
F4 - FF TBD media devices