The A3 north-bridge chip will support PC1600 and PC2100 DDR SDRAM. Its integrated graphics core is based on the latest generation of Radeon chip, the Radeon 7500 - and not, you'll note, the Radeon 8500 (aka R200). The chip supports an external 4x AGP slot. Mobo makes are free to use any compatible third-party south-bridge

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