Phoenix BIOS, hard disk data loss
sd
xscd at xscd.com
Thu Dec 4 15:52:33 PST 2003
On the chance that this information might help someone else.
Some months ago, just after buying a Tyan Tiger s2466 MPX dual processor
motherboard and installing FreeBSD 5.0 on it, I experienced a lot of
data loss (lost files and directories, unrecoverable by fsck). I
thought the problem might be related to disk geometry (I'm fairly new
to FreeBSD and the sysinstall disk geometry warning concerned me).
However, after a couple months I decided to change just one setting in
the Phoenix BIOS: Large Disk Access Mode
There are two options for Large Disk Access Mode: "DOS" and "Other"
The help text for this item says: "This option denotes that a hard drive
with more than 1024 cylinders, more than 16 heads and or more than 64
tracks per sector is present. Choose OTHER when using OSes such as
UNIX."
So, at first I had chosen "Other." However, after all the data loss, I
felt I had nothing (more) to lose so I changed it to DOS just to see if
it made a difference. Apparently it did. I have experienced no more
lost data (from hard disk corruption or problems) in the six or so
months since I made the change.
Maybe this will help someone else. Thanks,
Steve D
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