Got the replacement motherboard but its a P4P800E-DLX v 1.02. Its
installed and things are running ok. I have a couple of questions
though. Why is this board sent as an upgrade to the P4C800E-Deluxe ?
Are these boards not as prone to the ICH5R problems as the P4C800
series ?
Thanks.
On 11 Apr 2007 12:26:29 -0700, "Malam" <> wrote:
>On Apr 11, 1:57 am, Paul <nos...@needed.com> wrote:
>> Malam wrote:
>> > Thanks Barry. The motherboard has two sockets on the mboard for USB
>> > 5,6, 7 and 8. I had a cable connected to 5 and 6 that has been
>> > working for more than a year with an Antec P180 case. The USB
>> > external drive was connected to the system yesterday but was not
>> > recognized. I went to the store this afternoon and was told I needed
>> > to connect the drive to two USB sockets. Could this have been the
>> > source of the problem ? The USB Drive is connected to my laptop now
>> > and its working ok, but it never worked on the desk top. Looks like
>> > I've fried the intel chip ? Can this be fixed or I should be looking
>> > for another mboard?
>>
>> Is there any time left on the Asus warranty ?
>>
>> This sounds like the "latchup" problem. Especially if you find a very
>> hot ICH5R. Latchup damage comes in several different forms, and the
>> most severe leads to permanent damage. Some ICH5/ICH5R chips have a
>> visible burn mark on the top. Others fail internally, killing the USB
>> ports, but leaving the computer operational. The worst kind kills the
>> motherboard, and since your computer will not POST, you could be dealing
>> with the worst kind.
>>
>> To cause the latchup to stop, you need to unplug the computer (or
>> at least make sure it is switched off at the back). Ideally, remove
>> the battery as well (although the odds of the battery being able to
>> maintain the latchup, via a sneak path through the CMOS well, and
>> with the 1K ohm limiting resistor, are pretty slim). But chances are,
>> after putting the battery back in, and powering the computer, you
>> will be no better off. Removing all power should result in the
>> chip returning to the cool state, so it won't get hot again. But
>> if the lead frame or bond wires got burned, there is no repairing
>> that.
>>
>> Some previous motherboard owners got a new Southbridge soldered
>> to their motherboard. You can try Asus tech support, and see whether
>> they will handle this under warranty or not.
>>
>> Paul
>>
>>
>>
>>
>>
>> > Thanks.
>>
>> > On Apr 10, 10:39 pm, Barry Watzman <WatzmanNOS...@neo.rr.com> wrote:
>> >> I'd be more suspicious that the cable from the motherboard to the USB
>> >> socket was wired or plugged in wrong, and that you connected it
>> >> incorrectly (backwards, perhaps) and blew some things up.
>>
>> >> There have been some computer cases made with front USB sockets that
>> >> were wired just plain wrong from the factory. And, separate from that,
>> >> there are a couple dozen ways for someone installing the motherboard to
>> >> get front USB sockets wired wrong.
>>
>> >> Malam wrote:
>> >>> I just have a mishap with my system using the P4C800E Deluxe board. I
>> >>> plugged in a USB drive a few minutes ago and eveything just shuts
>> >>> down. My USB mouse, keyboard died and after a reboot to check the
>> >>> problem, the video display is gone too. I opened the unit and felt
>> >>> the Intel ICH5R chip and it was very hot - too hot to touch ! I read
>> >>> a while a go about problems with this board and the chip but have had
>> >>> no problems until now. If I let things cool down will the unit still
>> >>> work ? Or is the damage permanent ? I have this unit for more than
>> >>> three years -can Asus repair or replace ?
>> >>> Thanks.- Hide quoted text -
>> >> - Show quoted text -- Hide quoted text -
>>
>> - Show quoted text -
>
>Thanks Paul - I had the sytem disconnected from power and battery for
>hours. Plus is has been down overnight. Still no post and after a
>minute or two, the chip was very hot agian. I called ASUS support and
>they gave me an RMA # to send the unit back. Will be shipping the
>mboard back this afternoon.
>Will keep you posted.
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