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EBUS(4)                 NetBSD Kernel Interfaces Manual                EBUS(4)


NAME

     EBus -- introduction to SPARC EBus bus support and drivers


SYNOPSIS

     ebus* at pci?


DESCRIPTION

     The EBus bus is designed to provide the ability to put ISA and tradi-
     tional Intel-style peripherals in a SPARC based system with a minimal
     amount of glue logic.  Typically, it is implemented in the PCIO IC from
     SME, which also implements a hme(4) compatible PCI network device
     (`network').  The EBus has four DMA channels, similar to the DMA seen in
     the esp(4) SCSI DMA.


SEE ALSO

     Sun Microelectronics, Peripheral Component Interconnect Input Output
     Controller, Part No.: 802-7837-01, March 1997,
     http://www.sun.com/oem/products/manuals/802-7837.pdf.

NetBSD 5.1                      March 13, 2002                      NetBSD 5.1