--- Billy Crook [email protected] wrote:
The particulars of which bit stands for what can change from motherboard to motherboard, and even between bios revisions.
As you can see, it is quite unintelligible. But you could 'save' your current working nvram today, and 'restore' it next week, after you bork some setting in the BIOS (assuming you can still boot).
Yes, I do recall "save/restore CMOS" applications as well. While CMOS Setup utilities are board-specific, are there general-use save/restore CMOS utilities still available?
On Mon, Mar 31, 2008 at 10:13 AM, Jonathan Hutchins [email protected] wrote:
On Mon, March 31, 2008 09:09, Leo Mauler wrote:
In Ye Olden Days of PC/MS/DRDOS, there were
CMOS Setup
Utilities which could be run from special boot
disks.
If such an application still exists, and works
for
modern CMOSes/BIOSes, I suspect that it is the
only
way I'm going to be able to change the system
time on
this computer, or more to the point tell the motherboard BIOS that the Legacy Keyboard
option is
disabled.
What there were were Motherboards who's CMOS
lacked a built-in interface
and required a regular disk-based program to
change settings. Those
programs are highly BIOS-specific and not at all
general utilities.
Since Linux is able to read and write to the BIOS
address range, sure, you
can do it. The problem is knowing which portion
of the address range
means what - and without the interface program
that lives in the BIOS,
you're pretty much clueless about that.
The USB interface pre-dates USB "Human Interface
Devices" (HID), which is
why you'll see something like "support for legacy
devices" in the BIOS
config - which may or may not give you USB
keyboard access to the BIOS.
Given that your motherboard is worth probably
somewhere between $0 - $10,
why not try to repair that PS/2 connector? Or
just find a similar-spec
board that will use your CPU and RAM.
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