Date: Wed, 01 May 96 12:51:15 PST From: "Brett Glass" <Brett_Glass@ccgate.infoworld.com> To: Luigi Rizzo <luigi@labinfo.iet.unipi.it>, phk@critter.tfs.com Cc: kallio@cc.jyu.fi, questions@freebsd.org, hardware@freebsd.org Subject: Re: ** Someone experience making Boot ROM for Ethernet card? Message-ID: <9604018309.AA830977363@ccgate.infoworld.com>
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> > We are trying to make boot roms to SMC Elite. We have 27512 UV ROMS but > > SMC seems not to work with them, the ROM code is not visible at D800 as it > > should. > > > > It seems that 3c509 works. Is there some trick how to get SMC Elite to use > > the ROM? > > The eprom may be too big for the SMC, it may max out at 27128... Another possibility: you may be forgetting to put the signature at the beginning of the ROM. It includes a special sequence (consisting of 5's and A's) followed by a byte containing the size of the ROM divided by 512 bytes. Initialization code is expected to follow immediately thereafter. --Brett
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