PENTIUM CHIPSETS

Pentium Chipsets

While not an actual Intel chipset bug, the Mercury and Neptune chipsets could be found paired with RZ1000 and CMD640 IDE controllers with data corruption bugs.

Chipset	Code Name	Part Numbers	South Bridge	Release Date	Processors	FSB	SMP	Memory types	Max. memory	Max. cacheable	Parity/ECC	L2 Cache Type	PCI support	AGP support
430LX	Mercury[2]		SIO	March 1993	P60/66	66 MHz	No	FPM	192 MB	192 MB	Parity	Async	2.0	No
430NX	Neptune[3]		SIO	March 1994	P75+	66 MHz	Yes	FPM	512 MB	512 MB	Parity	Async	2.0	No
430FX	Triton[4][5]		PIIX	January 1995	P75+	66 MHz	No	FPM/EDO	128MB	64MB	Neither	Async/Pburst	2.0	No
430MX	Mobile Triton		MPIIX	October 1995	P75+	66 MHz	No	FPM/EDO	128 MB	64 MB	Neither	Async/Pburst	2.0	No
430HX	Triton II[6][5]		PIIX3	February 1996	P75+	66 MHz	Yes	FPM/EDO	512 MB	512/64 MB Depends onTag RAMused	Both	Async/Pburst	2.1	No
430VX	Triton II[7][5]		PIIX3	February 1996	P75+	66 MHz	No	FPM/EDO/SDRAM	128 MB	64 MB	Neither	Async/Pburst	2.1	No
430TX[8]		82439TX	PIIX4	February 1997	P75+	66 MHz	No	FPM/EDO/SDRAM	256 MB	64 MB	Neither	Async/Pburst	2.1	No