Table 16. Service Reference Code Field Descriptions (continued)
Field Description
R2 - R3 Device/FRU unique failure reason codes.
Table 17. Current PCI 2.1 Class Code Definition
PCI Base
Class (lower
nibble) S2
PCI Sub-Class
S3 -S4
Description
0 Devices that were built before the class code field was defined.
00 All currently implemented devices except VGA-compatible
devices.
01 VA-compatible devices
1 Mass storage controller
00 SCSI bus controller
01 IDE controller
02 Floppy disk controller
03 Intelligent Peripheral Interface (IPI) bus controller
04 Redundant Array of Independent Disk (RAID) controller
80 Other mass storage controller
2 Network controller
00 Ethernet controller
01 Token Ring controller
02 FDDI controller
03 ATM controller
80 Other network controller
3 Display controller
00 VGA-Compatible controller
01 Extended Graphics Array (XGA) controller
80 Other display controller
4 Multimedia device
00 Video device
01 Audio device
80 Other multimedia device
5 Memory controller
00 RAM
01 Flash
80 Other memory controller
644 Service Guide
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