EM4K(4)              NetBSD/amiga Kernel Interfaces Manual             EM4K(4)

NAME
     em4k -- ELBOX Mediator 4000 PCI bridge driver

SYNOPSIS
     em4k0 at zbus0
     emmem0 at zbus0
     pci* at empb0
     options PCI_NETBSD_CONFIGURE

DESCRIPTION
     The em4k driver provides support for the PCI bus present on Mediator 4000
     bridge and associated PCI/Zorro daughterboards.

HARDWARE
     The em4k driver supports the following hardware:

           ELBOX Mediator PCI 4000D

           ELBOX Mediator PCI 4000Di

           ELBOX Mediator PCI 4000T

           ELBOX Mediator PCI 3000D

           ELBOX Mediator PCI 3000T
     MK-II editions are also supported.

SEE ALSO
     empb(4), mppb(4), p5pb(4), pci(4)

HISTORY
     The em4k device first appeared in NetBSD 7.0.

AUTHORS
     The em4k driver was written by Radoslaw Kujawa
     <radoslaw.kujawa@gmail.com>.  It was developed using information obtained
     through reverse engineering by Frank Wille and Radoslaw Kujawa.  The
     authors have no access to official documentation (which is only available
     under NDA).

BUGS
     DMA to host memory is not supported.  It is unclear if the hardware sup-
     ports DMA to host memory at all.  It is possible to implement DMA through
     bounce buffers in graphics card memory, but this needs further research.

NetBSD 7.0                     January 29, 2013                     NetBSD 7.0

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