Chipsets > Intel > Southbridges

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Models (list)

Sub-type	Number
SIO	2
PIIX	6
Total	8

Name	Bus frequency	Memory controller	Ports
SIO
Intel SIO	, ???	None	ISA
Intel SIO.A	, ???	None	ISA
PIIX
Intel PIIX4M	PCI, 133 MHz	None	5 ISA/PIO-4/UDMA 33
Intel MPIIX	, ???	None	ISA/PIO
Intel PIIX	, ???	None	5 ISA/PIO/WDMA
Intel PIIX3	PCI, 133 MHz	None	ISA/PIO-4/WDMA
Intel PIIX4	PCI, 133 MHz	None	ISA/PIO-4/UDMA 33
Intel PIIX4E	PCI, 133 MHz	None	ISA/PIO-4/UDMA 33

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From collector's point of view