Have you ever thought about upgrading the processor on your HP MediaSmart EX485 or EX487 Windows Home Server? If so, then MediaSmartHome.com have a great article you should read.
StarNet has pulled together a lot of really useful information on what you should do if you want to upgrade the processor.
He says:
This article is a culmination of the work of many on this and other web sites. The sole purpose is to clearly define and outline the steps necessary to modify your HP EX485/487 MediaSmart Server (or MSS) from a single core Intel Celeron 440 to the more powerful Intel Dual Core. It will present various options for the MSS user and provide a one stop resource for the complete upgrade process. Choosing a CPU, performance gains/benchmarks, power consumption temperature and memory upgrades are discussed as well.
I will try to sort through some of the technical jargon and issues that can make this process complicated. While the scope of this article will toward the E5200 CPU that has been extensively tested, it will also list other CPU designations reported to work for your consideration.
Depending on your level of expertise you might find some topics interesting or boring, but they’re listed here regardless of your abilities. Some useful tips have been included and some very useful links have been placed in the reference sections at the end of the article.
I’ve been toying around with the idea of upgrading my processor, I was going to ask Diehard, but now I will try following this article, which has lots of details and pictures.
So if you want to read the article, click here: http://www.mediasmarthome.com/article/14459/Upgrading-the-HP-EX485-487-MediaSmart-Server-Processor-Removing-the-Smoke-and-Mirrors/;jsessionid=5B4004552FE10B85DF9FBEB879AD2C7B

Done the upgrade on my 490 to E6300 2.8Ghz. The 490 is the only version to buy in Europe. It
Excellent – thanks Borgie
Andrew
Hi, Was it a simple CPU swap with the 490 or did you need to flash the BIOS? Thanks.