Intel® Chipsets Mature Products - Mature 450 and 440 Chipset Families


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	Hardware Design Design Components & Products Intel® Chipsets Mature Chipsets Mature 450 & 440 Chipsets

If you do not see the mature chipset you're looking for, please refer to Product Support. For other chipsets, view the current chipset comparison charts, which include the latest chipsets, or the embedded chipset comparison chart.

Disclaimer: This chart contains features of Intel chipsets and not necessarily your system. For more information on the features of your system, please contact your motherboard OEM or system manufacturer.

Mature Chipset Comparison Charts
Mature Chipset Comparison Charts		800 Chipset Family		450/440 Chipset Families		430 Chipset Family



	450 and 440 Chipset Families

	Intel® 450NX PCIset	Intel® 440BX AGPset	Intel® 440GX AGPset	Intel® 440EX AGPset
HOST	450NX PCIset	440BX AGPset	440GX AGPset	440EX AGPset
Host Processor	Pentium® III Xeon® processor, Pentium® II Xeon® processor	Celeron® processor, Pentium® III processor, Pentium® II processor	Pentium® III Xeon® processor, Pentium® II Xeon® processor	Celeron® processor
Bus Voltage	AGTL+	GTL+	GTL+	Mix 5V, 3.3V (I/O)
Dual Processing Support	4-way MP	Yes	Yes	No
DRAM	450NX PCIset	440BX AGPset	440GX AGPset	440EX AGPset
Refresh	CAS-before-RAS	CAS-before-RAS	CAS-before-RAS	CAS-before-RAS
RAS Lines	16	8	8	4
64 Mbit Support	Yes	Yes	Yes	Yes
Max Memory Size	8 GB	1 GB	2 GB	256 MB
Memory Types	PC100 SDRAM, EDO	PC100 SDRAM	PC100 SDRAM	PC66 SDRAM, EDO
SDRAM (CL=2)	x-1-1-1	x-1-1-1	x-1-1-1	x-1-1-1
EDO (66MHz)	x-1-1-1	x-2-2-2	x-2-2-2	x-2-2-2
MA Buffers	Integrated	Integrated	Integrated	Integrated
ECC / Parity	Yes	Yes	Yes	No
PCI INTERFACE	450NX PCIset	440BX AGPset	440GX AGPset	440EX AGPset
PCI Support	PCI 2.1	PCI 2.1	PCI 2.1	PCI 2.1
Concurrent PCI	Yes	Yes	Yes	Yes
ARBITRATION	450NX PCIset	440BX AGPset	440GX AGPset	440EX AGPset
MTT	Yes	Yes	Yes	Yes
SOUTH BRIDGE	450NX PCIset	440BX AGPset	440GX AGPset	440EX AGPset
Type	PIIX4E	PIIX4E	PIIX4E	PIIX4E
USB Support	1 controller: 2 ports	1 controller: 2 ports	1 controller: 2 ports	1 controller: 2 ports
IDE	ATA/33	ATA/33	ATA/33	ATA/33
RTC	RTC	RTC	RTC	RTC
MANAGEABILITY	450NX PCIset	440BX AGPset	440GX AGPset	440EX AGPset
POWER MANAGEMENT	No	SMM & ACPI	SMM & ACPI	SMM & ACPI
I/O MANAGEMENT	No	SM Bus / GPIO	SM Bus / GPIO	SM Bus / GPIO



	450 and 440 Chipset Families

	Intel® 440LX AGPset	Intel® 440ZX AGPset	Intel® 440ZX-66 AGPset
HOST	440LX AGPset	440ZX AGPset	440ZX-66 AGPset
Host Processor	Pentium® II processor	Pentium® III processor, Pentium II processor, Celeron® processor	Celeron processor
Bus Voltage	GTL+	Mix 5V, 3.3V (I/O)	Mix 5V, 3.3V (I/O)
Dual Processing Support	Yes	No	No
DRAM	440LX AGPset	440ZX AGPset	440ZX-66 AGPset
Refresh	CAS-before-RAS	CAS-before-RAS	CAS-before-RAS
RAS Lines	8	4 rows	4
64 Mbit Support	Yes	Yes	Yes
Max Memory Size	512 MB PC66 SDRAM, 1 GB EDO	256 MB	256 MB
Memory Types	PC66 SDRAM, EDO	PC100 SDRAM	SDRAM, EDO
SDRAM (CL=2)	x-1-1-1	x-1-1-1	x-1-1-1
EDO (66MHz)	x-2-2-2	x-2-2-2	x-1-1-1
MA Buffers	Integrated	Integrated	Integrated
ECC / Parity	Yes	No	No
PCI INTERFACE	440LX AGPset	440ZX AGPset	440ZX-66 AGPset
PCI Support	PCI 2.1	PCI 2.1	PCI 2.1
Concurrent PCI	Yes	Yes	Yes
ARBITRATION	440LX AGPset	440ZX AGPset	440ZX-66 AGPset
MTT	Yes	Yes	Yes
SOUTH BRIDGE	440LX AGPset	440ZX AGPset	440ZX-66 AGPset
Type	PIIX4E	PIIX4E	PIIX4E
USB Support	1 controller: 2 ports	1 controller: 2 ports	1 controller: 2 ports
IDE	ATA/33	ATA/33	ATA/33
RTC	Integrated	RTC	RTC
MANAGEABILITY	440LX AGPset	440ZX AGPset	440ZX-66 AGPset
POWER MANAGEMENT	SMM & ACPI	SMM & ACPI	SMM & ACPI
I/O MANAGEMENT	SM Bus / GPIO	SM Bus / GPIO	SM Bus / GPIO

The Intel® Pentium® III processor, Pentium® III Xeon® processor, Pentium® II processor, Pentium® II Xeon® processor, Celeron® processor, Intel® 450NX PCIset, 440BX AGPset, 440GX AGPset, 440ZX AGPset, 440LX AGPset, 440EX AGPset, and Intel® 440ZX-66 AGPset may contain design defects or errors known as errata which may cause the product to deviate from published specifications. Current characterized errata are available on request.

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