Chipsets > Intel > 486 Architecture

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Models (list)

Sub-type	Number
420	4
Total	4

Name	Bus frequency	Memory controller	Ports
420
Intel 420EX PCI System Controller (PSC)	FSB, 50 MHz	FP-RAM 32bits
Intel 420EX ISA Bridge (IB)	FSB, 50 MHz	None	5 ISA
Intel 420TX	FSB, 33 MHz	FP-RAM 32bits
Intel 420ZX	FSB, 33 MHz	FP-RAM 32bits

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From collector's point of view