OK everyone - I guess others haven't had the problems I have had with = some of these upgrades. I heartily agree with Nelson Johnsrud though - = if you have an old machine with an old BIOS, a BIOS upgrade will = "probably" allow the thing to run WinXP successfully. I suspect that = the reason I haven't upgraded these machines to XP is that I think it = would be a lot more trouble than it would be worth to me. After all, = they are working.=20 I have many fast machines at the office which run XP as well as anything = can run a Microsoft OS. I have never been a Windows fan, and suspect = (at my age) that I never will be, so I don't feel any thrill at the idea = of upgrading to a later & greater Windows. I haven't gotten any = particular joy out of tinkering with BIOSs and drivers and memory = mapping and etc. in a lot of years - and have long ago come to hold the = opinion that "if it isn't broken, don't try to fix it". Just my opinion - your mileage may vary. RJG ----- Original Message -----=20 From: Nelson Johnsrud=20 To: Microcontroller discussion list - Public.=20 Sent: Tuesday, November 22, 2005 9:59 AM Subject: Re: [PIC] When did MPLAB stop supporting Win98? Roy J. Gromlich - PA wrote: >Sorry Olin - that's not a very practical suggestion. If you have an = old low-powered machine running Win98SE and try to upgrade to WinXP you = will more than likely end up with a good boat anchor. WinXP makes = demands on the hardware that 98SE never dreamed of. I have several = machines running 98SE precisely because they are not powerful enough to = run WinXP in any useful fashion. And some machine - like the HP I am = using right now - have no upgrade path to WinXP - there are no hardware = drivers for it that work with WinXP. If you don't want to / can't = afford to upgrade your hardware to at least P-IV / 2+ GHz / 500megabyte = RAM / 80 gig HD don't bother with WinXP - - - if you want to actually DO = anything with the resulting machine. Speaking from experience - - -=20 > =20 > The HP machine I am typing on right now was given just such an = upgrade. =20 It is a 700 Mhz Celeron machine with 30 Meg HD that originally ran = with=20 64 Meg of RAM and HP's casterated version of BIOS and operating = system. =20 I upgraded the RAM to 512 Meg (would have done that anyway) and = changed=20 to a new Phoenix BIOS, then installed XP pro without a hitch. The=20 machine runs faster now than when it was new (or seems like). = Changing=20 the BIOS was the key though. It would not work without doing that. Nels --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist