A comparison of the PCI chipsets sold by Intel Corporation.

A comparison of the PCI chipsets sold by Intel Corporation.

Marketing Name	Code Name	Processors Supported	Max RAM	Max cachable RAM	Max SIMM Slots	SIMM Types	SIMM Protection	Max CPUs	EIDE Disk Support	USB
450NX PCIset	?	Pentium II Xeon, 100MHz bus	8G (64Mbit) interleaved	8G	32	EDO and DRAM	ECC	4	PIIX4E Ulta DMA/33 33 MB/s	Host/hub
440GX AGPset	?	Pentium II Xeon, 100MHz bus	2G (128Mbit)	2G	4	SDRAM	ECC	1	PIIX4E Ulta DMA/33 33 MB/s	Host/hub
440BX AGPset	?	Pentium II, 100MHz bus	1G (64Mbit)	1G	4	SDRAM	ECC	2	PIIX4E Ulta DMA/33 33 MB/s	Host/hub
440ZX AGPset	?	Celeron, Pentium II, 100MHz bus	256M (64Mbit)	256M	2	SDRAM	None	1	PIIX4E Ulta DMA/33 33 MB/s	Host/hub
440ZX-66 AGPset	?	Celeron, Pentium II, 66MHz bus	256M (64Mbit)	256M	2	SDRAM	None	1	PIIX4E Ulta DMA/33 33 MB/s	Host/hub
440EX AGPset	?	Celeron, Pentium II	256M (64Mbit)	256M	2	SDRAM, EDO	ECC	1	PIIX4E Ulta DMA/33 33 MB/s	Host/hub
440LX AGPset	?	Pentium II	1G EDO, 512M SDRAM (64Mbit)	1G	4	SDRAM, EDO	ECC	2	PIIX4 Ulta DMA/33 33 MB/s	Host/hub
440FX PCIset	Natoma	Pentium Pro, Pentium II	1G (64Mbit)	1G	8	FP, EDO	ECC	6	PIIX3 mode 4 16 MB/s	Host/hub
450KX/GX PCIset	Orion	Pentium Pro	1G (64Mbit)	1G	8	FP	ECC	4	PIIX3 mode 4 16 MB/s	None
430TX PCIset	Triton 2	Pentium	256M (64Mbit)	64M	3	FP, EDO, SDRAM	None	1	PIIX4 Ulta DMA/33 33 MB/s	Host/hub
430VX PCIset	Triton 2	Pentium	128M (64Mbit)	64M	5	FP, EDO, SDRAM	None	1	PIIX3 mode 4 16 MB/s	Host/hub
430HX PCIset	Triton 2	Pentium	512M	512M	8	FP, EDO	ECC	2	PIIX3 mode 4 16 MB/s	Host/hub
430MX PCIset	Triton	Pentium	128M	64M	4	FP, EDO	None	1	PIIX mode 3 16 MB/s	None
430FX PCIset	Triton	Pentium	128M	64M	6	FP, EDO	None	1	PIIX2 mode 4 16 MB/s	None
83434NX PCIset	Neptune	Pentium	512M	512M	8	FP	Parity	2	None	None
83434LX PCIset	Mercury	Pentium	128M	128M	8	FP	Parity	1	None	None

Note - The maximum cachable main RAM depends upon the amount of tag SRAM on the MB, and there is often a 64M limit