DDR333 For Athlon: VIA KT333 vs. KT266A

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Comparison: VIA KT333 Vs. KT266A

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Chipset VIA Apollo KT333 VIA Apollo KT266A VIA Apollo KT266 Nvidia nForce
Introduction Feb-02 Sep-01 Apr-01 Sep-01
Platform Socket 462 Socket 462 Socket 462 Socket 462
Supported processors AMD Duron/Athlon/XP AMD Duron/Athlon/XP AMD Duron/Athlon/XP AMD Duron/Athlon/XP
Multi-processor support no no no no
Northbridge VIA KT333 VIA KT266A VIA VT8366 Nvidia IGP 128
Southbridge VIA VT8233A VIA VT8233 VIA VT8233 Nvidia MCP-D
Front Side Bus clock 100/133/166 MHz 100/133 MHz 100/133 MHz 100/133 MHz
Memory clock 100/133/166 MHz 100/133 MHz 100/133 MHz 100/133 MHz
Asynchronous memory clock yes yes yes yes
FSB overclocking* up to 230 MHz up to 200 MHz up to 200 MHz up to 150 MHz
Max. # DIMM slots 4 4 4 3
Max. memory 3072 MB 3072 MB 3072 MB 4096 MB
SDRAM support yes yes yes no
DDR SDRAM support yes yes yes yes
Dual-channel DDR support no no no yes
RIMM support (Rambus) no no no no
Ultra-DMA/33/66/100/133 yes/yes/yes/yes yes/yes/yes/no yes/yes/yes/no yes/yes/yes/no
# USB connectors 6 6 6 6
Max. # PCI slots 6 6 6 6
integrated graphics core no no no yes
integrated sound yes yes yes yes
AGP 1x / 2x / 4x / 8x yes/yes/yes/yes yes/yes/yes/no yes/yes/yes/no yes/yes/yes/no
ACPI supported yes yes yes yes
USB 2.0 support yes no no no