Memory Interconnect
PCIe® Interconnect
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The M88IO3032 is an I/O Hub (IOH) chip for use with Intel’s new-generation CPU platforms. The chip connects to Intel’s latest Granite Rapids processors via the PCIe® bus, supporting a maximum bandwidth of 64 Gbps. Its Flexible I/O Adapter (FIA) ports can be as various high-speed I/O interfaces, including PCIe, SATA, and USB, depending on application requirements. This chip aims to provide a highly integrated and cost-effective I/O expansion solution for applications such as cloud computing, big data, and enterprise storage.
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PCIEUP (Upstream Port) 3.0Mostly compliant with PCIe Base Specification Revision 3.0, supporting data rates up to 8 GT/s
Support x8 or x4 link widths
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PCIe 3.0 Root Port
Compliant with PCIe Base Specification Revision 3.0, supporting transfer rates up to 8 GT/s
4 integrated PCIe 3.0 controllers, providing up to 14 PCIe ports and 20 PCIe lanes
Support x8, x4 or x2 link widths
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SATA 3.2 I/O
Compliant with SATA Specification Revision 3.2, supporting data rates up to 6 Gb/s
3 integrated SATA host controllers, providing up to 20 SATA ports
Support AHCI and RAID 0/1/5/10 modes
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USB 3.2/2.0 I/O
Compliant with USB 3.2 Gen1 Specification
Integrated xHCI USB controller
Support up to 10 USB 3.2 Gen1 signal pairs and 14 USB 2.0 signal pairs
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Clocks
17 pairs of differential clocks, 6 of them are PCIe 4.0 compliant
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Overall System Features
On-die Digital Thermal Sensor (DTS)
Peripheral interfaces: SPI, SMBus, SGPIO and JTAG
Package: 749-ball BGA
RoHS compliant
On-board or AIC for I/O expander
Edge, enterprise and data center
