On Wed, 7 Nov 2007 11:01:56 -0600, Rick Fochtman wrote: >> >> That's also my understanding. >> So, again, why 24-bit programs could be a reason for 2-4G hole ? > >Because bit 0 is the switch between 24-bit mode and 31-bit mode, and as >such cannot participate in an address.
uh, no. Read Peter Relson's post on this topic. "Bit 0" as you've described it is actually bit 32, and it has no meaning in 64-bit mode. -- Tom Marchant ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
