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Episode II: Attack of the Chipsets - Intel 845E and 845G for 533 MHz FSB and DDR-SDRAM

Pentium 4 Chipsets Compared

ChipsetSiS 645DXSiS 645Intel 850EIntel 850Intel 845D
Processor PlatformIntel Pentium 4
Chipset NorthbridgeSiS 645DXSiS 645Intel 82850EIntel 82850Intel 82845
Chipset SouthbridgeSiS 961SiS 961Intel 82801 BAIntel 82801 BAIntel 82801 BA
Front Side Bus Clock400/533 MHz400 MHz400/533 MHz400 MHz400 MHz
Memory Clock100/133/166/200/266/333 MHz100/133/200/266 MHz400/533 MHz400 MHz200/266 MHz
Asynchronous Memory Clockyesyesyesyesyes
max. # of memory-Slots33443
max. Memory3072 MB3072 MB2048 MB2048 MB2048 MB
SDRAM Supportyesyesnonono
DDR SDRAM Supportyesyesnonoyes
RDRAM Supportnonoyesyesno
Max. # USB ports44444
USB 2.0nonononono
Max.# PCI Slots66666
Integrated Graphicsyesyesnonono
AGP 1x / 2x / 4x / 8xyes / yes / yes / noyes / yes / yes / noyes / yes / yes / noyes / yes / yes / noyes / yes / yes / no

ChipsetIntel 845EIntel 845G *Intel 845VIA P4X266AVIA P4X333
Processor PlattformIntel Pentium 4
Chipset NorthbridgeIntel 82845EIntel 82845GIntel 82845VIA P4X266AVIA P4X333
Chipset SouthbridgeIntel 82801 CAIntel 82801 CAIntel 82801 BAVIA VT8233AVIA VT8235
Front Side Bus Clock400/533 MHz400/533 MHz400 MHz400 MHz400/533 MHz
Memory Clock100/133/200/266 MHz100/133/166/200/266/333 MHz100/133 MHz100/133/200/266 MHz100/133/166/200/266/333 MHz
Asynchronous Memory Clockyesyesyesyesyes
max. # of memory Slots33444
max. Memory2048 MB2048 MB2048 MB3072 MB3072 MB
SDRAM Supportyesyesyesyesyes
DDR SDRAM Supportyesyesnoyesyes
RDRAM Supportnonononono
Max. # USB66466
USB 2.0yesyesnoyesyes
Max.# PCI Slots66656
Integrated Graphicsnoyesnonono
AGP 1x / 2x / 4x / 8xyes / yes / yes / noyes / yes / yes / noyes / yes / yes / noyes / yes / yes / noyes / yes / yes / yes
ACPI Featuresyesyesyesyesyes

* DDR333 will likely be supported in H2/2002