Thanks for that great explanation, Barry!
Barry Watzman wrote:
> The BIOS for Intel processor motherboards contains [or may (usually
> does) contain], for any recognized CPU supported by that motherboard and
> bios, an update / bug fix for the CPU microcode that is loaded on a
> processor / motherboard reset.
>
> In the case of Prescott, there was a bug in the initial microcode which
> Intel gave to the motherboard manufacturers to incorporate into their
> BIOS'. The bug was innocuous until Windows XP SP2 came out, but with
> SP2 it was fairly catastrophic (most systems with that microcode and SP2
> wouldn't boot, or if they did they would be subject to frequent
> lockups). There were a huge number of motherboards made with the bad
> microcode, it was still shipping in new motherboards even when SP2 was
> officially released, and at that point it had been shipping for almost a
> year.
>
> The only way to correct that problem is to update the BIOS with a later
> BIOS that contains the later, corrected microcode. So if you are going
> to use a Prescott CPU with Windows XP SP2, it is fairly important to
> upgrade the BIOS before installing Windows.
>
>
> PPP Does NOT Equal Ping Pong Paddle wrote:
>> Great advice, Barry! I couldn't agree more.
>>
>> I was curious about one thing you said was very important--updating
>> the BIOS for Prescott processors. Can you shed more light on this, or
>> any links to more info?
>>
>> Thanks!
>> John
>>
>>
>> Barry Watzman wrote:
>>
>>> That is not the way I would have proceeded.
>>>
>>> First, I ***NEVER*** install Zone-Alarm, Norton's Firewall or
>>> Security software (beyond AV) or any other such software. I find
>>> that this stuff causes FAR more problems than it is worth.
>>>
>>> How I would have proceeded in your case:
>>>
>>> -Update the BIOS to the latest available. This is VERY important if
>>> you have a Prescott processor.
>>>
>>> -Disconnected from the Internet, install Windws XP SP2 (or an earlier
>>> version and the upgrade to SP2).
>>>
>>> -Connect to the Internet, use Windows Update to fully update the system
>>>
>>> -Install your choice of antivirus software.
>>>
>>> -Install the Microsoft Antispyware software (free, technically still
>>> listed as "beta" software).
>>>
>>> Always operate any computer with a broadband connection behind a
>>> router even if you are not sharing the broadband connection and don't
>>> otherwise need a router.
>>>
>>> The only firewall that I use is the one built into SP2.
>>>
>>>
>>> plazticsoul wrote:
>>>
>>>> Well, Barry, since it seems you know your stuff, maybe you could
>>>> provide
>>>> furthur guidance on a vague conversation I had with my brother after
>>>> returning his PC.
>>>>
>>>> What I ended up doing was installing that critical update followed
>>>> by SP1a,
>>>> rather than 2, as I wanted to simply call it a weekend and wash my
>>>> hands of
>>>> any more SP2 related problems. I informed him that if desired he may
>>>> want
>>>> firewall protection. So he installed ZoneAlarm and it asked to
>>>> reboot. He
>>>> claimed that once it rebooted Windows would not start correctly and
>>>> after a
>>>> few times, he gave up and shut it off. Then later his wife got on
>>>> and was
>>>> able to load XP like normal and now there seems to be no internet
>>>> access. I
>>>> had him first disable and even uninstall the firewall app, restart the
>>>> computer, and still no connection. He indicated that there were those
>>>> blinking monitors on the bottom right of the task bar. I asked him to
>>>> right-click and select "repair". It indicated that it completed
>>>> successfully. Then I asked to go to command prompt and type "ipconfig
>>>> /renew" and it was able to renew the IP address ok. I had him ping
>>>> localhost, and no packets were lost. I then had him ping the default
>>>> gateway, and this was not successful. So I had him release the IP
>>>> configuration and renew it yet again, ending up with the same
>>>> addresses from
>>>> what I understand. Still could not ping the router. Tracert command
>>>> cannot
>>>> resolve anything either. A laptop is also connected to this router
>>>> and the
>>>> internet works. He claims he has reset the router.
>>>>
>>>> Why no internet access? Onboard LAN..... A faulty motherboard could
>>>> explain
>>>> a lot of other "ghosts in the machine" he's had.
>>>>
>>>> If it can successfully renew the IP configuration and if you could
>>>> ping the
>>>> localhost but not the router, and the router is working, then what
>>>> is going
>>>> on?
>>>>
>>>> Jason
>>>> A+, Network+
>>>>
>>>>
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