To: AK2004 who wrote (50545 ) 8/9/2001 6:14:48 PM From: Petz Read Replies (1) | Respond to of 275872 SpeedStep in DELL notebooks -- NOT!theinquirer.net Summary: In addition to Windows XP not having Intel SpeedStep support, Andrew Thomas finds out that the some Inspiron 8000's do not and never will support SpeedStep , even though they were advertised from the get-go to support it.Says Chris [McFaul - from the UK]: "Thanks a lot for your help, but I have since found out that actually Dell notebooks don’t properly support SpeedStep, they can only change clock speed at boot. I couldn’t find a mention of this on the Dell website and I am actually quite annoyed since I rarely re-boot but frequently change from battery to ac and back again so the true SpeedStep would be useful and it would have been nice to be told this before buying it! "I have updated to the latest BIOS… It now actually states that you have to reboot to change processor speeds, which it didn’t before. Very naughty of Dell if you ask me, it's all very well advertising SpeedStep, but if it doesn’t actually work properly you have to wonder…" Reading on, we find out that current Inspiron 8000's DO support SpeedStep, but I still find it strange that the most recent BIOS that Chris updated explicitly warned that speed can only be changed by rebooting. Does the new BIOS recognize the chipset and only offer that message to the earlier models?It transpires that in a mad rush to get PIII notebooks to market last year, the hardware behemoth hastily cobbled together its Inspirons and Latitudes using a desktop chipset, the 815E, which - not surprisingly - lacked any SpeedStep features. Only when the proper mobile-aware 815EM arrived a few months later did the products gain full SpeedStep functionality. So if you're the lucky owner of one of the early machines and want SpeedStep - tough. Petz