Re: Battery type and location on Asus P4C800-E Deluxe?
- From: Paul <nospam@xxxxxxxxxx>
- Date: Wed, 14 Jan 2009 12:43:43 -0500
_DD wrote:
On Tue, 13 Jan 2009 20:59:52 -0500, Paul <nospam@xxxxxxxxxx> wrote:
_DD wrote:On Tue, 13 Jan 2009 17:10:32 -0500, Paul <nospam@xxxxxxxxxx> wrote:
You can change the battery, but I doubt it would help.
You had recommended Knoppix for testing systems with boot problems. ISpeedfan from almico.com gives you the ability to measure
DL'd their latest image. It came up partway but locked before
completing the boot process. Tried many times. I'm not sure if that's
a compatibility issue, or if it was just turning up the same boot-lock
bug.
Memtest86 and Seatools say the RAM and Drives are good.
I'd love to have some kind of sophisticated hardware debugger for
this. It's been like taking shots in the dark.
temps and voltages. I think my Northwood on the P4C800-E
ran around 43C or so. It was a 2.8C overclocked slightly
(10% or so).
That puts things into perspective. There was quite a bit of dust in
the fan path, and in front of the heat sink, so we'll see if that
helps.
This thing is really pissing me off though. I wish that whatever is
flaking would just fail rather than working intermittently. It's been
impossible to get a handle on it, as it's been so inconsisten.
It just failed to boot again, with two beeps (error code for parity?
that's odd).
Next time, it went through most of POST with no error code, but tehn
stalled with a message "Reboot and select proper boot device". I
checked the BIOS settings, and boot priority looked normal.
Extreme delays in both boot cycles, blank screen before the POST
screen, then the POST screen hung on for a long while before
proceding.
Then of course, the third try, everything was back to normal speed and
it booted to XP as normal. No error messages in the event cue. And
when it does boot to XP, it tends to stay running.
If you boot from Knoppix, you try to note down which line
the thing is failing at. And not all the lines on the
screen are explicit enough to give good feedback.
I'll try that again. And thanks for your comments on the diode feeds
from the battery, etc. I do follow that.
If that diode module was failing, I could see some intermittent
operation. Not sure if it would result in something like the current
symptoms. And also, that module should be so simple that I'd think it
would either fail or not, rather than exhibit flakey intermittents.
I'm tempted to just scrap the motherboard at this point, but I'm not
positive that would fix things. And I'd like to keep the P4 in
service--I do get pretty good performance from the Northwood.
Are there better boards that would make use of the Northwood? I'll
have to buy more ram anyway, as one of the RAM modules failed, so I
don't care about compatible RAM sockets.
It is odd that eventually it'll start.
Part of any testing I try, is to try to gather more symptoms, and get
some idea as to which part of the thing is most likely to be the cause
of the problem. Many of those will result in a "scrap motherboard"
result, except if there is something that is easy to fix.
For example, on those boards, a Southbridge failure has a higher than
normal probability, but then you'd see all the USB ports disappear at
the same point in time, or you'd see a burn mark on the top of the
Southbridge. Once the burn mark is there, the machine won't POST
after that. That is the latchup failure problem for ICH5/ICH5R.
Are you using the Promise controller and if not, is it disabled ?
I keep mine disabled, as that can speed up POST by a few seconds.
When you get some replacement RAM, perhaps you could test the
system a stick at a time, and see if the problem follows a
particular stick of RAM or not. Things like Memtest, cannot
test the "BIOS reserved" areas of RAM, so to test those areas,
you have to try comparing the behavior of single sticks of
RAM, and see if the problem disappears when another stick is
used.
Although my current system has a low end Core2 in it, the
P4 system remains for me a competent platform, and is my
current "backup system" if there are problems with the Core2.
So if you can keep it running, there is no particular reason
to scrap it. Anything which runs about 3GHz in the P4 line,
should make a good general purpose machine.
S478 has been out of production long enough, that you'll
have trouble finding retail boards. Some companies may
sell "pulls", which is a motherboard removed from a
working system. Some of those may come from "end of lease"
systems. Ebay would be another source.
The vip.asus.com forums are a place you can find problem reports
for various models of motherboards, so if you were looking for
another Asus board, you could check there to see what kind of
problems crop up.
http://vip.asus.com/forum/topic.aspx?board_id=1&model=P4C800-E+Deluxe&SLanguage=en-us
For a list of S478 boards, you can use this.
http://www.asus.com/products.aspx?l1=3&l2=-1
Or even traverse the ftp site:
ftp://ftp.asus.com/pub/ASUS/mb/sock478/
Paul
.
- References:
- Battery type and location on Asus P4C800-E Deluxe?
- From: _DD
- Re: Battery type and location on Asus P4C800-E Deluxe?
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- Re: Battery type and location on Asus P4C800-E Deluxe?
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- From: _DD
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