76 Board Manual
Intel® IQ80321 I/O Processor Evaluation Platform
Software Reference
5.3 Ethernet
The 82544EI utilizes a 32/64-bit, 33/66 MHz dir ect-interface to the PCI bus. The controller interfaces
with the 80321 through on-chip command/status registers and using a shared memory area.
The intended usage of thi s chip is for high speed uplo ad, download, and deb ugging. It is also used fo r
developing network storage ap plications. ARM-AFS, Red boot, VxWorks* and other standard OS s
come with support for this chip.
For more detail see Section 3.8.2 of this manual for a detailed description of the onboard Ethernet
controller. For programming inform ation please refer to the Intel® 82544EI/82544GC Gigabit
Ethernet Controller Software Developer’s Manual.