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41 lines
1.8 KiB
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41 lines
1.8 KiB
Plaintext
Date: 11/9/2001 3:56 PM
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Received: 11/9/2001 4:05 PM
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From: Steve Tilden, stilden@sicom-sys.com
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...
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2) I have added conditional code to main.c from Etherboot 5.0.4 to add
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a new default boot option and I have included the modified main.c as an
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attachment to this message.
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As I received Etherboot 5.0.4, in the Config file, if you select
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ASK_BOOT with a non zero time-out option, then you also get to set
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ANS_DEFAULT = ANS_NETWORK or ANS_DEFAULT = ANS_LOCAL to determine what
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will happen if the operator does not respond to the prompt. I have now
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added conditional code in main.c such that if you set ANS_DEFAULT =
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ANS_AUTO, the default answer will be set according to whether or not
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there is a hard disk in the system (as detected by the BIOS). If a hard
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disk is present, then if the operator does nothing, the system will boot
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from it. If a hard disk does not exist, then again if the operator does
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nothing, the system will boot via the network. Either way, for our
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particular environment, the operator has to do nothing to get it to boot
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correctly. Yet the operator can still override the default selection
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to, for example, allow a unit without a hard disk, to boot directly from
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a floppy rather than the network, or to allow a unit with a hard disk,
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to boot from the network.
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I don't know it the code I have added might be correct for a future
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production version of Etherboot, but I thought I'd send it to you and
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let you get it into the system if you feel it might be appropriate.
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Thanks,
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Steve Tilden
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Sicom Systems Inc.
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stilden@sicom-sys.com
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[Ed: On a compliant BIOS, it will actually boot the next device in the
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BIOS list if local is selected, either explicitly or by timeout, which
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may or may not be the hard disk, which is why it's less than general and
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not included in the distribution by default.]
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