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Date:      Wed, 29 Nov 2000 10:58:27 -0700 (MST)
From:      Nate Williams <nate@yogotech.com>
To:        Ken Key <key@network-alchemy.com>
Cc:        nate@yogotech.com (Nate Williams), freebsd-mobile@FreeBSD.ORG
Subject:   Re: Here is what IBM thinks about using FreeBSD on their newer Thinkpads 
Message-ID:  <14885.17347.829870.189806@nomad.yogotech.com>
In-Reply-To: <200011291756.JAA88464@sodium.cips.nokia.com>
References:  <14885.15948.729037.110372@nomad.yogotech.com> <200011291756.JAA88464@sodium.cips.nokia.com>

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> > Didn't Robert shrink it back to 1 sector after 4.1 was released?  It
> > would be interesting to know if the 'smaller' bootblock worked as well.
> 
> I was using the v4.2 release ISO image (the one with the broken PC98).
> I got rather intimate with the boot0.s, boot1.s, boot2.s code last week 
> when I tried changing the partition number to something else.  I would 
> almost swear that boot0 was still 1K, but I don't have it on hand to confirm 
> that.

It is.  I just verified that the change from 1K -> 512 was only made on
the HEAD, and never back-ported to 4.X.

> I also got the hang after install from a v4.0 disk, which I believe is
> only 1 sector.  I was brute forcing the combinations pretty hard.

So, it still hung with a one-sector boot?  That is different from my
experience, so it may be we have a plethora of messups at IBM. :( :(

> Please note, that using LILO as the MBR instead of boot0 still gave me
> this hang-at-the-BIOS-prompt issue, so I'm pretty confident it is
> independant of the size of boot0.  I would love to be shown wrong,
> though.

Sounds like you've covered the bases.

> > (The box we're using is an A20, so it may be different from the A21
> > problem..)
> 
> Yup, we have a pair of T20's here that are happily running FreeBSD.  They 
> had some issues, but not this hard hang.  I had this hang on T21 and
> A21P.  I hope that I'll be able to test an X20 an A20P in the upcoming
> month, but the engineers that own those machines are rather hesitant
> considering what's been happening with the *21's.


Nate


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