Q. What is Intel® Extended Memory 64 Technology (Intel® EM64T)?
A. Intel® Extended Memory 64 Technology (Intel® EM64T) is a new technology that enhances server and workstation platforms with 64 bit addressability and related instructions.
Q. Which 32 and 64-bit modes are available, and under which conditions? Can I still run my 32-bit applications on an Intel processor utilizing Intel Extended Memory 64 Technology?
||64-Bit Mode |
|32-bit operating system
||64-bit operating system
||64-bit operating system|
||4 GB address space
||64-bit flat virtual address space|
||GPRs are 32-bit
||GPRs are 64-bit|
Q. Which processors support Intel Extended Memory 64 Technology?
A. Since Q4 of 2006, Intel® EM64T has been supported in all mobile, desktop and server processors that are based on the Intel® Core™ Microarchitecture.
Q. Which operating systems support Intel Extended Memory 64 Technology?
A. Intel® Extended Memory 64 Technology FAQ
This applies to: