Blown BIOS, no boot

[cbsled ncia net]

I' trying to reurrect an old 486 for use as a router. It became apparent that the battery, a Dallas Realtime clock, had seen better days, so I replaced it. Apparently that was a mistake. Lilo only gets to "L", and the system won't boot from the recently made boot floppy. Both the hd's auto-detect fine. I can boot it into rescue mode. I did that, then did:

    # chroot /mnt/sysimage
    # /sbin/lilo

Which acted normally, but didn't fix it.

Is there any hope for it short of a complete reinstall? 

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Carl Brown cbsled ncia net
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I don't use Windows.