Intel® Chipsets   Server Workstation Performance Desktop Basic   Intel® 450NX PCIset Intel® 440GX AGPset Intel® 440BX AGPset Intel® Intel 440ZX Intel® 440ZX66 Intel® 440LX AGPset Intel® 440EX AGPset HOST Host Processor Optimized for use with Intel® Pentium® II Xeon and Intel® Pentium® III Xeon processors Optimized for use with Intel® Pentium® II Xeon and Intel® Pentium® III Xeon processors Intel® Pentium® II and Pentium III processors Pentium II and Pentium III processor ready Intel® Celeron™ processor Celeron processor in new PPGA form factor Optimized for Celeron processor Bus Voltage AGTL+ GTL+ GTL+ GTL+ GTL+ GTL+ GTL+ Dual Processing Support Yes, up to 4-way Yes Yes No No Yes No DRAM Refresh CAS-before-RAS CAS-before-RAS CAS-before-RAS CAS-before-RAS CAS-before-RAS CAS-before-RAS CAS-before-RAS Rows of Memory Supported 8 8 8 4 4 8 4 64 Mbit Support Yes Yes/128Mbit - Yes Yes Yes Yes Yes Yes Max Memory Size 8 GB 2 GB 1 GB 256 256 1 GB EDO 512MB SDRAM 256 MB Memory Types EDO/DRAM SDRAM SDRAM SDRAM SDRAM EDO/SDRAM EDO/SDRAM Memory Interleave yes No No No No No No ECC/Parity Yes Yes Yes No No Yes No PCI INTERFACE PCI Support PCI 2.1 PCI 2.1 PCI 2.1 PCI 2.1 PCI 2.1 PCI 2.1 PCI 2.1 Concurrent PCI Yes Yes Yes Yes Yes Yes Yes AGP INTERFACE  AGP compliant No Yes Yes Yes Yes Yes Yes  1x Support No Yes Yes Yes Yes Yes Yes  2x Support No Yes Yes Yes Yes Yes Yes  PIPE No Yes Yes Yes Yes Yes Yes  SEA No Yes Yes Yes Yes Yes Yes ARBITRATION MTT Yes Yes Yes Yes Yes Yes Yes SOUTH BRIDGE Type PIIX4E PIIX4E PIIX4E PIIX4E PIIX4E PIIX4 PIIX4E USB Support Yes Yes Yes Yes Yes Yes Yes IDE Yes Yes Yes Yes Yes Yes Yes RTC Yes Yes Yes Yes Yes Integrated Yes MANAGEABILITY Power Mgt. No SMM & ACPI SMM & ACPI SMM & ACPI SMM & ACPI SMM & ACPI SMM & ACPI I/O Mgt. No SMBus/GP10 SMBus/GP10 SMBus/GP10 SMBus/GP10 SMBus/GP10 SMBus/GP10

(Extracted from support.intel.com)