PENTIUM PRO/II/III CHIPSETS

Pentium Pro/II/III Chipsets

Chipset	Code Name	Part numbers	South Bridge	Release Date	Processors 1	FSB	SMP	Memory types	Max. memory	Memory banks	Parity/ECC	PCI support	AGP support
450KX	Orion	82451KX, 82452KX, 82453KX, 82454KX	Various	November 1995	Pentium Pro	66 MHz	Yes	FPM	8 GB (8GiB)		Both	2.0	No
450GX	Orion Server	82451GX, 82452GX, 82453GX, 82454GX	Various	November 1995	Pentium Pro	66 MHz	Yes (Up to four)	FPM	8 GB		Both	2.0	No
440FX	Natoma	82441FX, 82442FX	PIIX3	May 1996	Pentium Pro/Pentium II	66 MHz	Yes	FPM/EDO/BEDO	1 GB	4	Both	2.1	No
440LX	Balboa	82443LX	PIIX4	August 1997	Pentium II	66 MHz	Yes	FPM/EDO/SDRAM	1GB EDO / 512 MB SDRAM	4	Both	2.1	AGP 2x
440EX	n/a	82443EX	PIIX4E	April 1998	Celeron/Pentium II	66 MHz	No	EDO/SDRAM	256 MB	2	Neither	2.1	AGP 2x
440BX	Seattle	82443BX	PIIX4E	April 1998	Pentium II/III, Celeron	66/100 MHz	Yes	EDO/SDRAM	1 GB	4	Both	2.1 (64-bit optional)	AGP 2x
440GX	n/a	82443GX	PIIX4E	June 1998	Pentium II/III,Xeon	100 MHz	Yes	SDRAM	2 GB	4	Both	2.1	AGP 2x
450NX	n/a	82451NX, 82452NX, 82453NX, 82454NX	PIIX4E	June 1998	Pentium II/III, Xeon	100 MHz	Yes (Up to four)	FPM/EDO	8 GB	4	Both	2.1 (64-bit optional)	No
440ZX/440ZX-66	n/a	82443ZX	PIIX4E	November 1998	Celeron, Pentium II/III	100/66 MHz	No	SDRAM	512 MB	2	Neither	2.1	AGP 2x
440MX	Banister	82443MX	same chip		Pentium II/mobile Celeron	66/100 MHz	No	SDRAM	256 MB	2	Neither	2.2	No