Re:Access more memory in Real Mode?
Posted: Tue May 09, 2006 4:58 am
yep, it 's a good example to study. thanks for sharing.Dex4u wrote: Here's is a good example:
The Place to Start for Operating System Developers
http://f.osdev.org/
yep, it 's a good example to study. thanks for sharing.Dex4u wrote: Here's is a good example:
yes there is -- unless you have a very old revision (my old copy has it also -- i just checked), or they took it out of the latest revisionasmboozer wrote:no such section, only 9.1 no subsection found in the sectionsegment located at the top of phisical memory (look at vol.3 section 9.1.4 -- which clearly states that hidden portions remain in effect
the newest manual can be downloaded hereJAAman wrote:yes there is -- unless you have a very old revision (my old copy has it also -- i just checked), or they took it out of the latest revisionasmboozer wrote:no such section, only 9.1 no subsection found in the sectionsegment located at the top of phisical memory (look at vol.3 section 9.1.4 -- which clearly states that hidden portions remain in effect
(page numbers are for revision 12/16US)
9 PROCESSOR MANAGEMENT AND INITIALIZATION (9-1/9-1)
9.1 INITIALIZATION OVERVIEW (9-1/9-1)
9.1.1 Processor State After Reset (9-2/9-2)
9.1.2 Processor Built-In Self Test (BIST) (9-2/9-2)
9.1.3 Model and Stepping Information (9-5/9-5)
9.1.4 First Instruction Executed (9-6/9-6)
9.2 X87 FPU INITIALIZATION (9-6/9-6)
9.2.1 C...
so both of my hard-copies have it (im waiting for the new ones to become availible and then ill get updated ones, but i very much doubt they will be any different) -- look at the top of page 9-6
I found it in the latest verion, but I forget when I downloaded my local copy.my local copy has the name:24547201.pdf, after you pointed out the section does exist, I look the intel webpage for the newest version, you are right.JAAman wrote: i know where it can be downloaded, i said im waiting for hard-copies to become availible (there on the same page, but there not availible right now since they are currently in an update cycle) ... well actually my bookmark is directly to the download page, not the P4 master page
so do you mean (by that reference to the location of the new manuals) that they took that whole section out of the more recent revisions? because you said that in your copy, there was no subsections under section 9.1... thats strange