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Old 12-04-2004, 01:54 PM   #1
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Kernel Will No Longer Boot After BIOS Upgrade

This morning I upgraded the BIOS on my Compaq Presario System from 3.12 to v 3.15. The Bios I'm using is Phoenix 3.15

After doing this my Windows Partition will boot up and run ok, but when I go to Boot into Linux.

All I get is


<system reboots at this point>

This happens every time I try to run Linux, it will get that far and thats it. This also happens when I try to use my Installation CD's for recovery, so I'm at a loss.

I'm running Mandrake 10.1 Official with Lilo Boot Loader.

Does anyone know what I could do to resolve this?!?
Old 12-04-2004, 07:26 PM   #2
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I would suspect the problem *may* be disk-related (since few other devices are used so early during reboot). But other BIOS configuration options may also cause it. On most mainboards, a BIOS upgrade entirely clears CMOS configuration.

I would critically look into:

-- Drive geometry settings
-- UDMA and PIO modes
-- Memory and bus timings
-- Which peripherals are enabled

Is it possible to downgrade your BIOS back to the old version? (Note: on some boards, such an operation is considered risky.) If the problem remains after downgrading to the original BIOS (which worked) it must be a CMOS problem (correctable by tweaking parameters).

If the problem goes away after downgrade, it might be a BIOS problem (or at least, related to BIOS-established default values for CMOS parameters).

Last edited by sleeper.service; 12-04-2004 at 07:40 PM.
Old 12-05-2004, 10:07 AM   #3
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Thanks for the response! I'll take a look at it.


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