IntelŪ Chipsets

  Server Workstation Performance Desktop Value
  IntelŪ 840 chipset IntelŪ 450NX
PCIset
IntelŪ 840 chipset IntelŪ 440GX
AGPset
IntelŪ 440BX
AGPset
IntelŪ 440ZX IntelŪ 820 chipset IntelŪ 810E chipset IntelŪ 810 chipset IntelŪ 440ZX66 IntelŪ 440LX AGPset IntelŪ 440EX AGPset
HOST
Host Processor IntelŪ PentiumŪ III Xeon™ and PentiumŪ III processors Pentium III Xeon and PentiumŪ II Xeon™ processors Pentium III Xeon and Pentium III processors Pentium III Xeon and Pentium II Xeon processors Pentium III and Pentium II processors Pentium III and Pentium II processors Pentium III and Pentium II processors Pentium III and Pentium II processors Pentium III and Pentium II and Celeron™ processors Celeron processor Celeron
processor
Bus Voltage AGTL+ AGTL+ AGTL+ GTL+ GTL+ GTL+ AGTL+ AGTL+ AGTL+ GTL+ GTL+
Dual Processing Support Yes Yes, up to 4-way Yes Yes Yes No Yes No No No Yes No
DRAM
Refresh RDRAM active refresh CAS-before-RAS RDRAM active refresh CAS-
before-
RAS
CAS-before-RAS CAS-before-RAS N/A CAS-before-RAS CAS-before-RAS CAS-before-RAS CAS-before-RAS
Memory Supported RDRAM: 32 devices per channel 8 rows RDRAM: 32 devices per channel 8 rows 8 rows 4 rows 32 devices 4 rows 4 rows 4 rows 8 rows 4 rows
Mbit Support Yes - 64/128/256 Mbit Yes Yes - 64/128/256 Mbit Yes -
64/128
Mbit
Yes Yes Yes - 64/128/256 Mbit Yes - 16/64/128 Mbit Yes - 16/64/128 Mbit Yes Yes
Max Memory Size 8 GB (w/ 4 repeaters) 8 GB 8 GB (w/ 4 repeaters) 2 GB 1 GB 256 MB 1 GB 512 MB 512 MB 256 MB 1 GB EDO 512 MB 256 MB
Memory Types PC100 (SDRAM), PC600, PC800 (RDRAM) EDO/
SDRAM
PC100 (SDRAM), PC600, PC800 (RDRAM) SDRAM SDRAM SDRAM RDRAM & SDRAM PC100 SDRAM PC100 SDRAM SDRAM EDO/SDRAM
Memory Interleave Yes (w/ 4 repeaters) Yes Yes (w/ 4 repeaters) No No No N/A N/A N/A No No
ECC/Parity Yes Yes Yes Yes Yes No Yes N/A N/A No Yes No
PCI INTERFACE
PCI Support PCI 2.2 PCI 2.1 PCI 2.2 PCI 2.1 PCI 2.1 PCI 2.1 PCI 2.1 PCI 2.2 PCI 2.2 PCI 2.1 PCI 2.1
Concurrent PCI Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
AGP INTERFACE
Integrated Graphics No No No No No No No Yes Yes No No
AGP Compliant Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes
1x Support Yes No Yes Yes Yes Yes Yes Integrated graphics Integrated graphics Yes Yes
2x Support Yes No Yes Yes Yes Yes Yes Integrated graphics Integrated graphics Yes Yes
4x Support Yes No Yes No No No Yes No No No No
PIPE Yes No Yes Yes Yes Yes Yes Integrated graphics Integrated graphics Yes Yes
SBA Yes No Yes Yes Yes Yes Yes Integrated graphics Integrated graphics Yes Yes
ARBITRATION
MTT Yes Yes Yes Yes Yes Yes Yes Dynamic Intelligent Arbiter Dynamic Intelligent Arbiter Yes Yes
SOUTH BRIDGE
Type ICH PIIX4E ICH PIIX4E PIIX4E PIIX4E ICH ICH ICH PIIX4E PIIX4 PIIX4E
USB Support Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
IDE Yes - ATA/66 Yes - ATA/33 Yes - ATA/66 Yes -
ATA/33
Yes - ATA/33 Yes - ATA/33 Yes - ATA/66 Yes - ATA/66 Yes - ATA/66 Yes - ATA/33 Yes - ATA/33
RTC Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Integrated Yes
MANAGEABILITY
Power Mgt. SMM & ACPI No SMM & ACPI SMM &
ACPI
SMM & ACPI SMM & ACPI SMM & ACPI SMM & ACPI SMM & ACPI SMM & ACPI SMM & ACPI
I/O Mgt.