... sorry, I really dislike Google Mail sometimes :O Here's a URL: http://www.intel.com/design/pentium/datashts/29054401.pdf
Also a nice full-color pic here: https://en.wikipedia.org/wiki/Pentium_OverDrive Best, Sean On Fri, Jul 10, 2015 at 6:09 PM, Sean Caron <sca...@umich.edu> wrote: > There absolutely was a P5 Overdrive from Intel for 486 motherboards ... I > saw a few of them in the wild back in the day... > > > On Fri, Jul 10, 2015 at 5:51 PM, jwsmobile <j...@jwsss.com> wrote: > >> >> >> On 7/10/2015 1:21 PM, Joe Giliberti wrote: >> >>> Hey. I'm sorry for the off topic post, but I couldn't think of another >>> forum to ask my question. I'm just looking for information as to whether >>> there are different sizes Pentium processor dependent upon whether the >>> processor is for a desktop or laptop. I want to see if I can give my old >>> Hewlett Packard OmniBook a little more juice. >>> >> I don't recall there being any different processors in the first >> Pentium. The big effort in power reduction was by a group who did a power >> reduction project with the Pentium 3. Many of the laptops had full sized >> Pentiums with novel cooling to make them work in a portable laptop form >> factor. >> >> There were a series of projects where Intel did processors to upgrade >> previous families of chips with the newer technology. For example a 486 >> chip engineered to be happy with a 386 pin bus, but running at a higher >> clock, and similar upgrades for 486 systems. These were called "Overdrive" >> and were not power reduced as a goal of the product. >> >> The Pentium was a big enough step that I don't know of any such for the >> 486, where a Pentium could be stuffed in. The BIOS became enough of a >> factor in making the Pentium go that it was necessary. Such dropins they >> had were all self contained that I mention in the previous paragraph. >> >> The next act for Pentium (and quoting from this article) was MMX added >> in. Pentium II of course went to the infamous Slot 1 / 2 form factor. >> >> >> https://en.wikipedia.org/wiki/List_of_Intel_microprocessors#32-bit_processors:_P5_microarchitecture >> >> If you look up the processor you have in your Omnibook, some of the >> Pentium P5's could be upgraded, but you had to be careful as some had >> issues of being interchanged. >> >> Thanks >> Jim >> > >