ATI's Radeon 9100 Pro IGP Takes Aim at Intel's Chipset Launch

Southbridges: IXP150 / IXP320 / IXP 400

That is the new one: ATI IXP320.

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Header Cell - Column 0 IXP150IXP320IXP400*
USB6 Ports8 Ports8 Ports
Storage Controllers2x UltraATA/1002x UltraATA/1002x SATA-1502x UltraATA/1004x SATA-150
PCI3x 32 Bit PCI 2.35x 32 Bit PCI 2.35x 32 Bit PCI 2.3
AudioAC97 2.1AC97 2.1AC97 2.1
Legacy InterfaceLPC for Multi I/OLPC for Multi I/OLPC for Multi I/O
NetworkingIntegrated 3COM MAC100 MBit/sIntegrated 3COM MAC100 MBit/sIntegrated 3COM MAC100 MBit/s

* not yet available.

... and the older brother IXP150.