2005-05-17 16:44:57 +00:00
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This utility was apparently writen by John Finlay and came to me
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via Richard Schroeder who got it from Greg Beeley. John, if you want
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to be credited with your full address or whatever in the Etherboot
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documentation, please contact me (Etherboot maintainer).
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1/18/2000 Marty Connor (mdc@thinguin.org) added code for the 3C905C
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with AT49BV512 Flash memory, and created cromutil and bromutil to
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differentiate the versions. cromutil is for 3C905C and bromutil is
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for 3C905B.
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2009-12-04 23:00:44 +00:00
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8.28.2005 I am adding a new version from Jorge L. deLyra that will
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replace cromutil.c. I will rename cromutil.c to ocromutil.c
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From: delyra@fma.if.usp.br
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Subject: Improved version of cromutil.c.
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Date: June 22, 2004 12:19:00 AM EDT
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To: mdc@thinguin.org
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Dear Marty,
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Below you will find a new version of the cronutil.c program. Since
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the changes were quite large I am sending the program rather than a patch.
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I added support for 3C905CX cards with a page-mode super-flash EEPROM, and
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included several informative messages, a programming progress report and a
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detailed help message. I did all the tests I could with it and it seems to
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work correctly for the 3C905CX with either type of EEPROM chip.
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A question: is there a similar program for Intel eepro100 cards or for the
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Intel or 3COM Gbit cards?
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Cheers,
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----------------------------------------------------------------
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Jorge L. deLyra, Associate Professor of Physics
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The University of Sao Paulo, IFUSP-DFMA
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For more information: finger delyra@latt.if.usp.br
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----------------------------------------------------------------
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12/4/2009 The new cromutil version from Jorge L. deLyra can be found in
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cromutil.c, whereas the old version can be found in ocromutil.c.
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bromutil.c now supports enabling a bootrom workaround that was previously
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implemented in the old 3c90x driver. Some 3c90xB cards refuse to load gPXE
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after the ROM is burned. The gPXE banner is likely to appear, but gPXE will
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crash soon after.
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If this is the case try the following commands. It is assumed that you replace
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0x6600 with the I/O address of your card which can be acquired with:
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(look for a line like 'I/O ports at e400')
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$ lspci -v
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$ make
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$ ./bromutil 0x6600 bootrom
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This command will write into the settings EEPROM of the network card. In case
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the network card shows any unexpected behavior it is possible to restore the
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EEPROM settings with a 3COm provided tool called '3c90xcfg.exe'(google it for
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mirrors).
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-- Thomas Miletich
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2005-05-17 16:44:57 +00:00
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Be careful. You can easily erase your Flash memory using these
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utilities. Make *sure* to back them up first using the "read"
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command. You must "erase" before using "prog" to program the chip with
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Etherboot code. This code comes with NO WARRANTY, and you take sole
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responsibility and liability for whatever it does. Read the
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"romutil.txt" file for more information on commands.
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That being said, if you are programming a 3C905C-TXM (for example)
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you would do something like this:
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$ cd etherboot-x.x.x/contrib
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$ tar -zxvf n3c905xutil.tar.gz
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$ cd n3c905xutil
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$ make
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# replace 0x6600 with whatever the IO Addr for your card is!!!!
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$ ./cromutil 0x6600 read > 905cbackup.bin
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$ ./cromutil 0x6600 erase
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$ ./cromutil 0x6600 prog < 3c90x.lzrom
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You should now have an Etherboot-enabled 3c905C-TXM.
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