RE: Osbourne OCC1 problem - progress 2....

Hi
 Swap some of the RAMs. If the bit moves, it is the RAM if
it stays
the same, it is the decode.
 It is most likely bad RAM.
Dwight





> From: javickerssolutionengineers.com
>
> OK, now the wobbly video fault's gone away - hurrah! Of
course, this could
> be because the machine's been on for longer than it has
been in years;
> perhaps it was a thermal issue. When powering off/on, I
notice a little
> flicker of crazy-video now, then it settles again.
Maybe I'll leave it
> switched off for 5 mins & see what happens.
>
>
> MEMTEST still reports the same memory errors, however,
thus:
>
> ADDRESS: 4081 BAD BITS: 08
> ADDRESS: 40C1 BAD BITS: 08
> ADDRESS: 4181 BAD BITS: 08
> ADDRESS: 41C1 BAD BITS: 08
>
> etc., through to:
>
> ADDRESS: 6481 BAD BITS: 08
> ADDRESS: 64C1 BAD BITS: 08
>
>
> Memtest itself runs a number of different tests; it's
currently crashing or
> resetting the machine at random intervals. Longest
successful test lasted
> about 1/2hr (successful insofar as it didn't crash).
Now running for 2-3
> mins before crashing... Note: This is memtest only,
I've not tried any other
> programs yet...
>
> Hey ho, more testing to go...
>
> If the video prb is thermal, I'm still guessing it's
related to one of the
> mainboard chips, rather than the monitor itself (given
that it will display
> random characters, rather than what I'd call analogue
effects). Anyone got
> any clues as to which one? I'm also wondering if it's a
RAM select chip,
> rather than the RAM itself?
>
> Cheers!
> Ade.
>
> No virus found in this outgoing message.
> Checked by AVG.
> Version: 7.5.524 / Virus Database: 269.23.21/1455 -
Release Date: 19/05/2008
> 17:04
>
>
>

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On Wednesday 21 May 2008 00:31, dwight elvey wrote:
> Hi
>  Swap some of the RAMs. If the bit moves, it is the RAM
if it stays
> the same, it is the decode.
>  It is most likely bad RAM.
> Dwight

Trouble is those chips aren't socketed,  if I'm remembering
right...

> > From: javickerssolutionengineers.com
> >
> > OK, now the wobbly video fault's gone away -
hurrah! Of course, this
> > could be because the machine's been on for longer
than it has been in
> > years; perhaps it was a thermal issue. When
powering off/on, I notice a
> > little flicker of crazy-video now, then it settles
again. Maybe I'll
> > leave it switched off for 5 mins & see what
happens.
> >
> >
> > MEMTEST still reports the same memory errors,
however, thus:
> >
> > ADDRESS: 4081 BAD BITS: 08
> > ADDRESS: 40C1 BAD BITS: 08
> > ADDRESS: 4181 BAD BITS: 08
> > ADDRESS: 41C1 BAD BITS: 08
> >
> > etc., through to:
> >
> > ADDRESS: 6481 BAD BITS: 08
> > ADDRESS: 64C1 BAD BITS: 08
> >
> >
> > Memtest itself runs a number of different tests;
it's currently crashing
> > or resetting the machine at random intervals.
Longest successful test
> > lasted about 1/2hr (successful insofar as it
didn't crash). Now running
> > for 2-3 mins before crashing... Note: This is
memtest only, I've not
> > tried any other programs yet...
> >
> > Hey ho, more testing to go...
> >
> > If the video prb is thermal, I'm still guessing
it's related to one of
> > the mainboard chips, rather than the monitor
itself (given that it will
> > display random characters, rather than what I'd
call analogue effects).
> > Anyone got any clues as to which one? I'm also
wondering if it's a RAM
> > select chip, rather than the RAM itself?
> >
> > Cheers!
> > Ade.
> >
> > No virus found in this outgoing message.
> > Checked by AVG.
> > Version: 7.5.524 / Virus Database: 269.23.21/1455
- Release Date:
> > 19/05/2008 17:04
>
>
____________________________________________________________
_____
> E-mail for the greater good. Join the i’m Initiative
from Microsoft.
> http://im.live.com/Messenger/IM/Join/Default.asp
x?source=EML_WL_
> GreaterGood

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