Tyan i7520 mobo problems on FreeBSD 6

ke.han ke.han at redstarling.com
Sun Dec 4 09:30:52 PST 2005

Solution found !!!
For the tyan i7520 mobo, you must go to the boot loader prompt and type
set hint.apic.0.disabled="1".
This clears up the issues.

ke.han wrote:
> Dear list,
> I have been continuing efforts to get the Tyan i7520 mobo to work with 
> freeBSD 6.  Here are some of the problems.  I have tried the things 
> suggested by others like turning on/off Hyperthreading...no luck.
> If I can't find a solution by Monday, I will be forced to pull this mobo 
> and buy another.  This is costly, but not compared to the time and face 
> I've lost over the past month.  Centos 4.2 installs/works perfect.  So 
> this is a problem between freeBSD 6 installer and the mobo, not the mobo 
> itself.  freeBSD 5.4 gives my similar problems.
> Here are a few of the problems with freeBSD 6 and the tyan i7520:
> 1 - Floppy not found.  I was able to fix this by turning off the onboard 
> 2 - EIDE or SATA drive connected directly to respective mobo controller 
> not found.  I'm not an expert at hints, but I tried a few things and no 
> luck.
> 3 - 3Ware 9550sx card not found.  With the latest not-released 
> driver called twa_9ksx.ko, I was able to get the module loaded during 
> sysinstall and the card was usable and the install completed.  After 
> reboot, I entered boot prompt and reloaded the same module and boot but 
> this time the card does not work.  Another sided effect of loading this 
> module in sysinstall is that after it is loaded, the installer tells me 
> it can't find my cdrom to complete the install...yes, the same cdrom I 
> have booted the installer with.  But an ftp install from this point worked.
> So, I would like any suggestions as to fixing item 3 above or find a 
> suitable mobo to replace.  If I end up replacing the mobo I am happy to 
> gift the tyan i7520 to a team member that wants to debug with it.
> My mobo requirements are straightforward:
> 1 - Ethernet - two ports, great throughput with _no patches_ for all the 
> freeBSD 6 advance networking features: pf, altq, kqueue, polling.  I 
> just want it work right "out of the box".
> 2 - works with my 3ware 9550sx-4lp card.
> 3 - It would be very nice if the sysinstall recognized my cd and floppy 
> with no hints or any other tricks.
> thanks, ke han
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