430FX Triton Top	L2 Cache: 512KB Pipelined burst 3-1-1-1 Memory: EDO 7-2-2-2@66Mhz; 230MB/s; up to 128MB PCI: 100MB/s
Number	Part Number	Function	On Chip S #	Step #	PCI ID	Revision	Notes
1	82437FX	SC	SZ999	A2	0x122d	0x02
1	82371FB	IB PIIX	SZ964,997	A1	0x122e 0x1230	0x02 0x02
2	82438FX	DPU			N/A	N/A
430HX Triton II Top	L2 Cache: Pipelined burst 3-1-1-1 Memory: EDO, 5-2-2-2@66Mhz; ECC support; up to 512MB PCI: Concurrent, PCI 2.1 USB and Dual CPU support
Number	Part Number	Function	On Chip S #	Step #	PCI ID	Revision	Notes
1	82439HX	SC	SU087	A1	0x1250	0x01	No ECC
			SU102	A2	0x1250	0x02	ECC support
			SU115	A3	0x1250	0x03	snoop ahead fixed for dual CPU
1	82371SB	IB PIIX3 USBC	SU052	A1	0x7000 0x7010 0x7020	0x00 0x00 0x00	USB bugs; 2 functions
		IB PIIX3 USBC	SU093	B0	0x7000 0x7010 0x7020	0x01 0x00 0x01	USB support; 3 functions
430TX Top	CPU: uni-processor, P55C support L2 Cache: 512KB Pipelined burst 3-1-1-1, cache up to 64MB Memory: EDO, 5-2-2-2@66Mhz; SDRAM, 6-1-1-1@66Mhz; up to 256MB PCI: Concurrent, PCI 2.1 USB and Ultra DMA 33MB/s hard drive protocol support NOTE: This company has a dual Pentium board based on 430TX chipset. Download setupex.exe from Intel if you want Windows 95 to recognize 430TX components.
Number	Part Number	Function	On Chip S #	Step #	PCI ID	Revision	Notes
1 or 2	82439TX	SC	SL238		0x7100
1	82371AB	IB PIIX4 USBC PRMC	SL23P	B0	0x7110 0x7111 0x7112 0x7113	0x01 0x01 0x01 0x01
430VX Triton II Top	L2 Cache: 512KB Pipelined burst 3-1-1-1; cache up to 64MB memory Memory: EDO, 6-2-2-2@66Mhz; SDRAM in DIMM, 6-1-1-1@66Mhz; up to 128MB PCI: Concurrent, PCI 2.1 USB and SMBA(UMA) support
Number	Part Number	Function	On Chip S #	Step #	PCI ID	Revision	Notes
1	82437VX	SC	SU085	A1	0x7030	0x01	I/O or PCI memory read cycle delayed; missed snoop cycle
			SU116	A2	0x7030	0x02	Fixed above errata
1	82371SB	PIIX3	See 430HX	See 430HX	See 430HX	See 430HX	See 430HX
2	82438VX	DPU			N/A	N/A
440BX Top	CPU: dual Pentium II (up to 400Mhz) support Motherboard Speed: 100Mhz, 66Mhz Memory: 8 RAS Lines, EDO, SDRAM (x-1-1-1@100Mhz), with ECC, up to 1 GB 2X AGP (Accelerated Graphics Port) support
Number	Part Number	Function	On Chip S #	Step #	PCI ID	Revision	Notes
1	82443BX	SC AGP
1	82371EB
440EX Top	CPU: single Pentium II (up to 333Mhz) support Motherboard Speed: 66Mhz Memory: 4 RAS lines, EDO, SDRAM, up to 256 MB 2X AGP (Accelerated Graphics Port) support
Number	Part Number	Function	On Chip S #	Step #	PCI ID	Revision	Notes
1	82443EX	SC AGP
1	82371EB
440FX Natoma Top	CPU: dual Pentium Pro, single Pentium II L2 Cache: Bulit-in Pentium Pro, on-card for Pentium II (Klamath) Memory: up to 1GB, EDO X-2-2-2@66Mhz; BEDO and ECC support PCI: Concurrent, PCI 2.1 USB and Dual CPU support
Number	Part Number	Function	On Chip S #	Step #	PCI ID	Revision	Notes
1	82441FX	PMC	SU053	A1	0x1237	0x02
1	82442FX	DBX	SU054	A1	N/A	N/A
1	82371SB	PIIX3	See 430HX	See 430HX	See 430HX	See 430HX	See 430HX
Optional	82093AA	APIC	SU045		N/A	N/A	For dual CPU's
440LX Top	CPU: dual Pentium II, Pentium Pro support Memory: EDO (8-2-2-2) upto 1GB, SDRAM (8-1-1-1) upto 512MB, with ECC PCI: Concurrent, PCI 2.1 DIB (Dual Independent Bus) Architecture 2X AGP (Accelerated Graphics Port) support USB and Ultra DMA 33MB/s hard drive protocol support Download setupex.exe from Intel if you want Windows 95 to recognize 440LX components.
Number	Part Number	Function	On Chip S #	Step #	PCI ID	Revision	Notes
1	82443LX	SC AGP	SL2KK	A3	0x7180 0x7181	0x03
1	82371AB	PIIX4	SL23P	See 430TX	See 430TX	See 430TX
450KX Orion Top	L2 Cache: Bulit-in Pentium Pro Memory: up to 1GB, 2-way interleaved, ECC support Dual CPU support
Number	Part Number	Function	On Chip S #	Step #	PCI ID	Revision	Notes
4	82451KX	MIC			N/A	N/A
1	82452KX	DP			N/A	N/A
1	82453KX	DC			0x84c5
1 or 2	82454KX	PB	SU022~044	A2	0x84c4		Bus limit
			SU059~064	A4	0x84c4		Bus limit fixed?
450GX Orion Top	L2 Cache: Bulit-in Pentium Pro Memory: up to 4GB, 4-way interleaved ECC at 8-1-1-1@66Mhz Quad CPU support
Number	Part Number	Function	On Chip S #	Step #	PCI ID	Revision	Notes
4	82451GX	MIC			N/A	N/A
1	82452GX	DP			N/A	N/A
1	82453GX	DC			0x84c5
1 or 2	82454GX	PB	SU022~044	A2	0x84c4	0x02	Bus limit
			SU059~064	A4	0x84c4	0x04	Bus limit fixed?