The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/i386/isa/README.le

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    1 $FreeBSD: releng/5.1/sys/i386/isa/README.le 50477 1999-08-28 01:08:13Z peter $
    2 
    3 ----------------
    4 
    5 This driver is in no way supported by Digital Equipment.  See the
    6 disclaimers in the sources for more.
    7 
    8 This driver supports all the DEC EtherWORKS III NICs (DE203, DE204,
    9 and DE205) and the later DEC EtherWORKS II NICs (DE200, DE201, DE202,
   10 DE422).  DEPCA-style boards prior to the DE200 have not been tested
   11 and may not work.  
   12 
   13 This driver is not EISA aware.  If you are using a DE422 or have
   14 configured the EtherWORKS III in EISA mode, make sure you specify
   15 the I/O port properly as this driver will *not* probe for it.
   16 (The I/O port should be 0xNc00 where N is the EISA slot number).
   17 
   18 This driver does not yet use the full 128KB allowed by the DE422.
   19 Someday, it might. For EtherWORKS III NICs, the driver will override
   20 the EEPROM setting of MemoryMode and *always* use the 2K for best
   21 results.
   22 
   23 The driver includes full support for both BPF and IP Multicast.
   24 
   25 [All paths are relative to the top of sys source area, usually
   26 /usr/src/sys.]
   27 
   28 The following files need to be moved into their respective
   29 directories:
   30 
   31         if_le.c    -->  i386/isa
   32         am7990.h   -->  i386/isa/ic
   33         lemac.h    -->  i386/isa/ic
   34 
   35 You will need to apply the patch provided in pat.files.i386 to
   36 i386/conf/files.i386 file.
   37 
   38 After that is done you will need to edit your config file (in
   39 i386/conf) and a line similar to:
   40 
   41 device le0 at isa? port 0x300 net irq 5 iomem 0xd0000
   42 
   43 [The above line assumes the board is still at the factory defaults.]
   44 Change the port, irq, and iomem value if needed to your configuration.
   45 
   46 Now you are ready to rebuild your kernel, reboot, and see if the
   47 driver can configure your board.  When the system boots, you will
   48 hopefully something close to:
   49 
   50     EtherWORKS II:
   51 
   52         le0 at 0x300-0x30f irq 5 maddr 0xd0000 msize 65536 on isa
   53         le0: DE202 ethernet address 08:00:2b:2d:c8:45
   54         bpf: le0 attached
   55 
   56     EtherWORKS III:
   57 
   58         le0 at 0x320-0x33f irq 5 maddr 0xd0000 msize 2048 on isa
   59         le0: DE205-AB ethernet address 08:00:2b:bb:23:e0
   60         le0 attached
   61 
   62 in the startup log.  If so, the board configured properly and
   63 should be ready to use.
   64 
   65 --
   66 Mail:   thomas@lkg.dec.com
   67 URL:    http://ftp.digital.com/~thomas/
   68 

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