PCI Base

PCI

 

Class

 

Sub-Class

Description

(lower

S3 -S4

 

nibble) S2

 

 

 

 

 

 

 

Bridge devices

 

 

 

 

 

00

Host bridge

 

 

 

 

01

ISA bridge

 

 

 

 

02

EISA bridge

 

 

 

6

03

MCA bridge

 

 

04

PCI-to-PCI bridge

 

 

 

 

 

05

PCMCIA bridge

 

 

 

 

06

NuBus bridge

 

 

 

 

07

Cardbus bridge

 

 

 

 

80

Other bridge device

 

 

 

 

Simple communication controllers

 

 

 

7

00

Serial controllers

 

 

01

Parallel port

 

 

 

 

 

80

Other communication controllers

 

 

 

 

Generic system peripherals

 

 

 

 

00

PIC

 

 

 

8

01

DMA controller

 

 

02

System timer

 

 

 

 

 

03

Real-Time Clock (RTC) controller

 

 

 

 

80

Other system peripherals

 

 

 

 

Input devices

 

 

 

 

 

00

Keyboard controller

 

 

 

9

01

Digitizer (pen)

 

 

 

 

02

Mouse controller

 

 

 

 

80

Other input controllers

 

 

 

 

Docking stations

 

 

 

 

A

00

Generic docking station

 

 

 

 

80

Other type of docking station

 

 

 

Appendix A. Interpreting Firmware Error Codes

A-3

Page 187
Image 187
IBM B50 manual Pic