8224 N/B Maintenance
8224 N/B Maintenance
18
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32 bit downstream address
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Direct Media Interface asynchronously coupled to core
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Supports 3 Virtual Channels for traffic class performance differentiation
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Supports both snooped and non-snooped traffic
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Supports isochronous non-snooped traffic
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Supports legacy snooped isochronous traffic
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Supports the following traffic types to or from Intel 82801GBM
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Peer write traffic between DMI and PCI Express Graphics port
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DMI-to-DRAM
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DMI-to-CPU (FSB Interrupts or MSIs only)
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CPU-to-DMI
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Messaging in both directions, including Intel Vendor-specific messages
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Supports Power Management state change messages
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APIC and MSI interrupt messaging support
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Supports SMI, SCI and SERR error indication
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Legacy support for ISA regime protocol (PHOLD/PHOLDA) required for parallel port DMA, floppy drive,
and LPC bus masters
MiTac Secret
Confidential Document
Summary of Contents for 8224
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