[News] Marvell announces Discovery III Northbridge | ANN.lu |
Posted on 30-Sep-2003 15:01 GMT by takemehomegrandma | 94 comments View flat View list |
Marvell today announced the Discovery III northbridge. It features a 200MHz PowerPC CPU interface, 200MHz DDR SDRAM Interface (400Mbps data rate), Dual CPU SMP Support (MPX and 60x modes), PCI-X, Gigabit ethernet and is software compatible with other Discovery northbridges.
Source: morphos-news.de
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Marvell announces Discovery III Northbridge : Comment 90 of 94 | ANN.lu |
Posted by tarbos on 02-Oct-2003 07:14 GMT | In reply to Comment 89 (hammer): "AMD Athlon 64 processors use AMD's HyperTransport to interface with the North& South bridges instead of through the old FSB" So if this is to be the new "FSB"... >AMD64’s northbridge and CPU FSB runs at full speed with the CPU core ...there is no such a thing like "AMD64's northbridge" or CPU FSB running atCPU core speed since Hypertransport clocks at "800MHz DDR (or effective 1,600MHz)".Common PC northbridges implement AGP or Gigabit Ethernet in addition to the memorycontroller and an interface to the southbridge. Others have multiple PCI(-X) busesand other goodies that AMD64 CPU itself lacks. It just offers a fast (Hypertranport)interface and that's about it. You still need several bridge chips to make availablethe usual PC mainboard features so you cannot speak about the functionality thatmoved into the CPU itself as a full fledged northbridge seperated from the coreby a 2.2GHz FSB and therefore being inherently faster than everything else.But in the end everything may be a matter of definition, of course. |
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