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Annotation of qemu/roms/ipxe/src/drivers/net/tulip.txt, revision 1.1

1.1     ! root        1: This software may be used and distributed according to the terms of
        !             2: the GNU Public License, incorporated herein by reference.
        !             3: 
        !             4: This is a tulip and clone driver for Etherboot.  See the revision
        !             5: history in the tulip.c file for information on changes.  This version
        !             6: of the driver incorporates changes from Bob Edwards and Paul Mackerras
        !             7: who cantributed changes to support the TRENDnet TE100-PCIA NIC which
        !             8: uses a genuine Intel 21143-PD chipset.  There are also various code
        !             9: cleanups to make time-based activities more reliable.
        !            10: 
        !            11: Of course you have to have all the usual Etherboot environment
        !            12: (bootp/dhcp/NFS) set up, and you need a Linux kernel with v0.91g
        !            13: (7.16.99) or later of the tulip.c driver compiled in to support some
        !            14: MX98715 based cards.  That file is available at:
        !            15: 
        !            16:   http://cesdis.gsfc.nasa.gov/linux/drivers/test/tulip.c
        !            17: 
        !            18: NOTES
        !            19: 
        !            20: I've tested this driver with a SOHOware Fast 10/100 Model SDA110A,
        !            21: a Linksys LNE100TX v2.0, and a Netgear FA310TX card, and it worked at
        !            22: both 10 and 100 mbits. Other cards based on the tulip family may work as
        !            23: well.
        !            24: 
        !            25: These cards are about 20$US, are supported by Linux and now Etherboot,
        !            26: and being PCI, they auto-configure IRQ and IOADDR and auto-negotiate
        !            27: 10/100 half/full duplex. It seems like a pretty good value compared to
        !            28: some of the pricier cards, and can lower the cost of building/adapting
        !            29: thin client workstations substantially while giving a considerable
        !            30: performance increase.
        !            31: 
        !            32: On some PCI tulip clone chipsets (MX987x5, LC82C115, LC82C168) this driver 
        !            33: lets the card choose the fastest speed it can negotiate with the peer
        !            34: device.  On other cards, it chooses 10mbit half-duplex.
        !            35: 
        !            36: I burned an AM27C256 (32KByte) EPROM with mx987x5.lzrom and it worked.
        !            37: According to the data sheet the MX98715A supports up to 64K (27C512)
        !            38: EPROMs, 
        !            39: 
        !            40: I've liberally commented the code and header files in the hope that it
        !            41: will help the next person who hacks the code or needs to support some
        !            42: tulip clone card, or wishes to add functionality.
        !            43: 
        !            44: Anyway, please test this if you can on your tulip based card, and let
        !            45: me ([email protected]) and the Etherboot-Discuss list
        !            46: ([email protected]) know how things go.  I also
        !            47: would appreciate code review by people who program.  I'm a strong
        !            48: believer in "another set of eyes".
        !            49: 
        !            50: Regards,
        !            51: 
        !            52: Marty Connor
        !            53: [email protected]
        !            54: http://www.etherboot.org/

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