SOUTH BRIDGE 4x0 CHIPSETS

Southbridge 4x0 Chipsets

Chipset	Part Number	ATA support	USB support	CMOS/clock	ISA support	LPC support	Power management
SIO	82378IB/ZB	None	None	No	Yes	No	SMM
PIIX	82371FB	PIO / WDMA	None	No	Yes	No	SMM
MPIIX	82371MX	PIO	None	No	Yes	No	SMM
PIIX3	82371SB	PIO / WDMA	1 Controller, 2 Ports	No	Yes	No	SMM
PIIX4	82371AB	PIO / UDMA 33	1 Controller, 2 Ports	Yes	Yes	No	SMM
PIIX4E	82371EB	PIO / UDMA 33	1 Controller, 2 Ports	Yes	Yes	No	SMM