intel chipset details

Number	Part Number	Function	On Chip S #	Step #	PCI ID	Revision
430FX Triton	L2 Cache: 512KB Pipelined burst 3-1-1-1 Memory: EDO 7-2-2-2@66Mhz; 230MB/s; up to 128MB PCI: 100MB/s intel data sheet #290549
1	82437FX	SC	SZ999	A2	0x122d	0x02
2	82438FX	DPU			N/A	N/A
1	82371FB	IB PIIX

PIIX	PCI ISA IDE Xcelerator 7 channel DMA 2x 82C59 IRQ controller 8254 Timer / Counter power management (SMM, clock control, APM) I/O ISA bridge 2 IDE controllers (4 devices) intel data sheet #290550
Number	Part Number	Function	On Chip S #	Step #	PCI ID	Revision	Notes
1	82371FB	IB PIIX	Q281 Q321	A1	0x122e IB 0x1230 IDE	0x02 0x02	engineering samples
			SZ964 SZ997	A1	0x122e IB 0x1230 IDE	0x02 0x02
			Q293	A1p	0x122e IB 0x1230 IDE	0x02 0x02	engineering samples
			SZ967	A1p	0x122e IB 0x1230 IDE	0x02 0x02

430HX Triton II	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	Q449 Q450 Q451 Q453	A1	0x7000 IB 0x7010 IDE 0x7020 USB	0x00 0x00 0x00
			SU052	A1	0x7000 IB 0x7010 IDE 0x7020 USB	0x00 0x00 0x00	USB bugs; 2 functions
			Q469 Q470 Q471	B0	0x7000 IB 0x7010 IDE 0x7020 USB	0x01 0x00 0x01
			SU093	B0	0x7000 IB 0x7010 IDE 0x7020 USB	0x01 0x00 0x01	USB support; 3 functions

Number	Part Number	Function	On Chip S #	Step #	PCI ID	Revision	Notes
430HX Triton II	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	Q449 Q450 Q451 Q453	A1	0x7000 IB 0x7010 IDE 0x7020	0x00 0x00 0x00
			SU052	A1	0x7000 IB 0x7010 IDE 0x7020	0x00 0x00 0x00	USB bugs; 2 functions
			Q469 Q470 Q471	B0	0x7000 IB 0x7010 IDE 0x7020	0x01 0x00 0x01
			SU093	B0	0x7000 IB 0x7010 IDE 0x7020	0x01 0x00 0x01	USB support; 3 functions
430TX Doc 290559	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.
1 or 2	82439TX	SC	Q516ES Q517ES	A0	0x7100	0x00	engineering samples
			Q536ES Q537ES	A1	0x7100	0x01	engineering samples
			SL238	A1	0x7100	0x01
			Q557ES	A2	0x7100	0x01	engineering samples
			SL28T SL2LR	A2	0x7100	0x01
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
1	82437VX	SC	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 450Mhz) support Motherboard Speed: 100Mhz, 66Mhz Memory: 8 RAS Lines, 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	SL2T5	B1	0x7190	0x02	PCI ID is 0x7192 when AGP disabled
1	82443BX	SC AGP	SL2VH or SL278	C1	0x7191	0x03	PCI ID is 0x7192 when AGP disabled
1	82371EB	IB PIIX4E USBC PRMC	SL2MY	A0	0x7110 0x7111 0x7112 0x7113	0x02 0x01 0x01 0x02
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			0x7180 0x7181		PCI ID is same as 443LX
1	82371EB	PIIX4E
440FX Natoma Top	CPU: dual Pentium Pro, 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
Optional	82093AA	APIC	SU045		N/A	N/A	For dual CPU's
440GX Top	CPU: dual Pentium II Xeon support Motherboard Speed: 100Mhz Memory: 8 RAS Lines, SDRAM (x-1-1-1@100Mhz), with ECC, up to 2 GB 2X AGP (Accelerated Graphics Port) support
Number	Part Number	Function	On Chip S #	Step #	PCI ID	Revision	Notes
1	82443GX	SC AGP	Q633ES Q634ES	A0		0x00	engineering samples
1	82443GX	SC AGP	SL2TF or SL2VJ	A0	0x71A0 0x71A1 0x71A2 0x71A9	0x00	PCI ID is 0x71A2 when AGP disabled
1	82371EB	PIIX4E	SL2MY	See 440BX	See 440BX	See 440BX
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
440ZX Top	CPU: single Pentium II (Celeron PGA370 for ZX66) support Motherboard Speed: 100Mhz (66Mhz for ZX66) Memory: 4 RAS Lines, SDRAM, up to 256MB 2X AGP (Accelerated Graphics Port) support
Number	Part Number	Function	On Chip S #	Step #	PCI ID	Revision	Notes
1	82443ZX	SC AGP			0x7190		PCI ID is 0x7192 when AGP disabled
1	82371EB	PIIX4E	SL2MY	See 440BX	See 440BX	See 440BX
450KX Orion Doc 243109	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	SU025 SU039	A1	N/A	N/A
1	82452KX	DP	SU026 QFP SU029 QFP SU040 BGA SU043 BGA	A1	N/A	N/A
1	82452KX	DP	SU061 QFP	A3	N/A	N/A
1	82453KX	MC	SU027 SU041	A2	0x84c5	2
1	82453KX	MC	SU062	A4	0x84c5	4
1 or 2	82454KX	PB	SU022 QFP SU024 BGA SU028 QFP SU030 BGA SU042 QFP SU044 BGA	A2	0x84c4	2	Bus limit
1 or 2	82454KX	PB	SU064 QFP	A4	0x84c4	4	Bus limit fixed?
450GX Orion Doc 290643	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	Q300 Q405	A1 (B0)	N/A	N/A	engineering samples
			SU019	A1 (B0)	N/A	N/A
			Q300 Q405	A1 (C0)	N/A	N/A	engineering samples
			SU055	A1 (C0)	N/A	N/A
1	82452GX	DP	Q395 QFP Q398 BGA Q406 QFP Q409 BGA	A3 (B0)	N/A	N/A	engineering samples
			SU056 QFP SU057 BGA	A3 (B0)	N/A	N/A
			Q967 QFP Q990 BGA Q992 QFP Q995 BGA Q065 BGA	A4 (C0)	N/A	N/A	engineering samples
			SY050 QFP SY053 BGA	A4 (C0)	N/A	N/A
1	82453GX	MC	Q396 Q407	A4 (B0)	0x84c5	0x04	engineering samples
			SU058	A4 (B0)	0x84c5	0x04
			Q988 Q993	A5 (C0)	0x84c5	0x05	engineering samples
			SY051	A5 (C0)	0x84c5	0x05
1 or 2	82454GX	PB	Q397 QFP Q399 BGA Q408 QFP Q410 BGA	A4	0x84c4	0x04	engineering samples
			SU059 QFP SU063 BGA	A4	0x84c4	0x04
			Q989 QFP Q991 BGA Q994 QFP Q996 BGA Q066 BGA	A6	0x84c4	0x06	engineering samples
			SY052 QFP SY054 BGA	A6	0x84c4	0x06
450NX Top	Quad Pentium II Xeon support Motherboard Speed: 100Mhz Memory: up to 8GB, 4-way interleaved ECC EDO
Number	Part Number	Function	On Chip S #	Step #	PCI ID	Revision	Notes
4	82451NX	MIOC	SL2RV	B1	0x84ca
1	82452NX	RCG	SL2RW	B0	N/A	N/A
1	82453NX	MUX	SL2RX	B0	N/A	N/A
1 or 2	82454NX	PXB	SL2RU	B0	0x84cb
1 or 2	82454NX	PXB	SL2ZA	B1	0x84cb
1	82371EB	PIIX4E	SL2MY	See 440BX	See 440BX	See 440BX

Chip Function List

APIC: Advance Programmable Interrupt Controller
DBX: Data Bus Accelerator
DC: Data Controller
DP: Data Path
DPU: Data Path Unit
GC: Graphics Controller
IB: ISA Bridge
LPCC: Low Pin Count Controller for legacy support
MIC: Memory Interface Component
MIOC: Memory and I/O Bridge Controller
MUX: Data Path Multiplexor
PB: PCI Bridge
PIIX: PCI ISA IDE Xcelerator
PMC: PCI and Memory Controller
PRMC: Power Management Controller
PXB: PCI Expander Bridge
RCG: RAS/CAS Generator
SC: System Controller
SMBA: Shared Memory Buffer Architecture
UMA: Unified Memory Architecture
USBC: Universal Serial Bus Controller