[Olpc-za] Fix clock problem

[Evert Groenewald]

Op 29/11/2010 11:02, het Henk Boshoff geskryf:
> Hi,
>
> I'm impressed by the size of the battery....
>
> The only piece of information I can give you is that it might be due to
> the Nokia built in security. Nokia usually has some proprietory stuff
> built into their cables, to prevent people from using standard cables on
> their phones. I suggest building up a cable from scratch. It is fairly
> easy to do, and would cost about R10.  If as much. You could source the
> components at any electronics shop... (Maybe a bit difficult in
> Saldanha, but try TV and Computer repair shops).  You could also buy
> general components from the following companies, and I'm sure they would
> be able to ship to you. (Depending on how much you are willing to pay
> for shipping I suppose). The connector part numbers for serial ports are
> usually called DB9 male and female.
>
> http://za.rs-online.com/web/    -->  RS Components
> http://www.communica.co.za/   -->  Communica, (Their webpage is currently
> down, but should go up again soon)
>
> I hope the information help you. If not ... mabye next time.
>
> Greetings
> Henk
>
>
> On 2010/11/28 09:09 PM, Evert Groenewald wrote:
>> Op 28/11/2010 20:04, het Henk Boshoff geskryf:
>>> On 2010/11/28 07:11 PM, Evert Groenewald wrote:
>>>> "RTC chip lost
>>>> power"http://wiki.laptop.org/go/Fix_clock  problem. I've tried without
>>>> much success to fix the problem.
>>> Hi Evert,
>>>
>>> By the sounds of it your Real Time Clock (RTC) chip does not work. (It
>>> is the chip that keeps time and some bios data for the computer, even
>>> when swithced off) My most obvious thought would be that the RTC clock
>>> battery needs replacement. I'm not 100% sure about architecture, and
>>> whether a dead battery would halt operation (Usually it wouldn't), but
>>> the battery is about the size of a R2 coin on the main board.
>>>
>>> Where are you based? Maybe you could pop in so that I can check your
>>> serial cable for you.
>>>
>>>
>>> Regards
>>> Henk Boshoff.
>>>
>>>
>>>
>> Hi Henk
>> Sorry in hindsight I should have been clearer as to what I have tried
>> before posting. I've changed the c-mos battery ( it is actually the size
>> of the old 1/2 (half) cent piece);-) . I then tried to get hold of a
>> serial adapter without success. So I then got the Nokia cable - as it
>> have a built in serial adapter- , unfortunately I don't have the tools
>> or knowledge to adapt the cable so I asked a friend to do it. Tonight I
>> tried it without success.
>> I live in the Saldanha area, which is a bit out of the way:-[ .
>>
>> evert
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>>
>
Hallo Henk
Thanks for info and time you took to answer. I will look into the two 
websites you posted.

evert