Revision 1.02 – April 12, 2007
S5920 – PCI Product: PCI Configuration Registers
Data Book
Table 29. Base Class Code 06h: Bridge Devices
Sub-Class
00h
Prog I/F
00h
Description
Host/PCI bridge
PCI/ISA bridge
01h
00h
02h
00h
PCI/EISA bridge
PCI/Micro Channel bridge
PCI/PCI bridge
03h
00h
04h
00h
05h
00h
PCI/PCMCIA bridge
NuBus bridge
06h
00h
07h
00h
CardBus bridge
Other bridge type
80h
00h
Table 30. Base Class Code 07h: Simple Communications Controllers
Sub-Class
Prog I/F
Description
Generic XT compatible serial controller
16450 compatible serial controller
16550 compatible serial controller
00h
00h
01h
02h
01h
80h
00h
01h
02h
Parallel port
Bidirectional parallel port
ECP 1.X compliant parallel port
00h
Other communications device
Table 31. Base Class Code 08h: Base System Peripherals
Sub-Class
Prog I/F
Description
00h
00h
01h
02h
Generic 8259 PIC
ISA PIC
EISA PIC
01h
02h
00h
01h
02h
Generic 8237 DMA controller
ISA DMA controller
EISA DMA controller
00h
01h
02h
Generic 8254 system timer
ISA system timer
EISA system timers (2 timers)
03h
80h
00h
01h
Generic RTC controller
ISA RTC controller
00h
Other system peripheral
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