"CMOS checksum error" and upgrading the BIOS

Hello, 

	I got exactly the same problem of "CMOS checksum error" 2 months ago. The 
only thing to do is to change the battery. You can buy one in a camera shop. 
It's a little ticky to open an OB. Becarefull ! You must first remove the box 
then a little part of the mother board. Then You can access to the battery.

Any news about a new OB with 1Ghz processor ?

Regards,

Nicolas
 

Le Vendredi 23 Janvier 2004 12:00, [email protected] a écrit :
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> Today's Topics:
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>    1. "CMOS checksum error" and upgrading the BIOS (Fred)
>    2. Re: "CMOS checksum error" and upgrading the BIOS (Thomas Arendsen
> Hein)
>
> --__--__--
>
> Message: 1
> From: "Fred" <[email protected]>
> To: [email protected]
> Date: Thu, 22 Jan 2004 18:45:50 -0800
> Subject: [Openbrick] "CMOS checksum error" and upgrading the BIOS
>
> My OpenBrick will no longer cold boot without displaying the message
> "CMOS checksum error - Defaults loaded" and waiting for a keystroke.
> This is highly annoying because I'm running it without a head/keyboard,
> so if my power goes off momentarily I have to find a monitor and a
> keyboard just to get this thing to reboot itself.
>
> How do I fix this problem?  I tried clearing the CMOS via the jumper but
> that didn't help.  I notice someone else on the list has the same
> problem but I didn't see a reply to his question.
>
> I thought maybe upgrading or reflashing the BIOS might help, but I can't
> figure out how to do that.  How do I do that?  I'm running off a
> CompactFlash card and don't have a hard disk.  I tried installing
> FreeDOS on a CF but couldn't figure out how.  Copying the floppy and ISO
> images to a CF don't work.  I tried formatting a CF card from DOSEmu in
> Linux, but couldn't get that to work.  I tried burning a CD with the
> FreeDOS ISO, and booting that from a USB CD-ROM drive on the OpenBrick,
> but the OpenBrick ignores my USB CD-ROM drive (even though the BIOS was
> set to boot from USB-CD first).
>
> Once you've explained to me how to flash the BIOS, which one do I use?
> There are three BIOS files on the web site, in no particular order.
>
> Fred
>
>
>
> --__--__--
>
> Message: 2
> Date: Fri, 23 Jan 2004 11:56:18 +0100
> From: Thomas Arendsen Hein <[email protected]>
> To: [email protected]
> Subject: Re: [Openbrick] "CMOS checksum error" and upgrading the BIOS
>
> On Thu, Jan 22, 2004 at 06:45:50PM -0800, Fred wrote:
> > My OpenBrick will no longer cold boot without displaying the message
> > "CMOS checksum error - Defaults loaded" and waiting for a keystroke.
> > This is highly annoying because I'm running it without a head/keyboard,
> > so if my power goes off momentarily I have to find a monitor and a
> > keyboard just to get this thing to reboot itself.
> >
> > How do I fix this problem?  I tried clearing the CMOS via the jumper but
> > that didn't help.  I notice someone else on the list has the same
> > problem but I didn't see a reply to his question.
> >
> > I thought maybe upgrading or reflashing the BIOS might help,
>
> The problem is not the BIOS Flash ROM, but the BIOS settings in the
> battery backed up CMOS RAM. Maybe replacing the battery helps.
>
> Thomas

-- 
---------------------------------------------------------------
Nicolas Lhoir
65-69 rue des Cévennes
75015 Paris
Tel +33 (0)6-63-84-91-95
Tel +33 (0)8-71-72-84-52
---------------------------------------------------------------

Et Linux, pourquoi pas chez vous ?