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I am looking for information on to upgrade a Compaq Presario 2190US Notebook computer.?

Processor: 2.4GHz Mobile Intel Celeron Motherboard: HP Part #: 319449-001 Also known as "Hewlett-Packard 002A NS570 Version PQ1A80" More computer info here: http://h20141.www2.hp.com/hpparts/Search_Results.asp?mscssid=NK1N0HTRNQ0B9HSSRXPUS0R75G8BATA8 I'm looking to upgrade the processor on this computer... I've just about maxed out the RAM... Hoping that an upgrade from the Mobile Celeron to a Pentium 4-M would upgrade system performance... I have 2 questions: 1. What is the max processor I can put in this board? 2. If I can upgrade the processor, do I have to upgrade the BIOS? And if so, how would I do that? Thanks!

Public Comments

1. Unless you are good at Surface Mount Technology soldering of 128+ pins, it is not advised. In the past, processors were direct replacement when they plugged in. Just use the same speed or slightly less. Make sure the operating voltage for both are the same. P.S. The HP link doesn't work.
2. Hi, I own a Compaq Presario 2190US, and I've opened up this notebook more than three times, and I have physically removed the Socket 478 processor that is in there. Your best bet is to find another Socket 478 processor such as an Intel Celeron M, Pentium 4-M, or a Pentium M (Centrino) processor. For the Pentium M processor, only the Banias-core will work, since it was originally offered in Socket 478; the newer Dothan-core fits in a Socket 479. For the Banias-core Pentium M processor, the range of processors available are 1.3 to 1.7 GHz. Now don't be deterred by the low processor speed when compared to the current 2.4 GHz processor; a Pentium M 1.6 GHz processor can match the performance of a 2.4 GHz processor. Crazy, but the Pentium M is more efficient per clock cycle than an Intel Pentium 4 or Celeron processor that was out at that time. It may prove a bit difficult to find a Banias-core, but your best bets are through eBay. Yes, you'll have to do a BIOS upgrade to the latest possible version, I'd suggest you do this even if you don't have your processor on hand; I've done the BIOS upgrade about two years ago, and I've had no problems whatsoever, your mileage may vary, however. You simply go here: http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=ob-31050-1&lc=en&cc=us&dlc=en&product=374022&os=228&lang=en Download it and save it to the Desktop, and then before running it, make sure that you are not working on any documents or any applications are open. Then double click the downloaded executable, click Start (or whatever button there is to start the BIOS flash) and this process may take a few minutes to do. Restart when prompted. Good luck.