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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?
| Legacy Mode |
Compatibility Mode |
64-Bit Mode |
| 32-bit operating system |
64-bit operating system |
64-bit operating system |
| 32-bit applications |
32-bit applications |
64-bit applications |
| 32-bit drivers |
64-bit drivers |
64-bit drivers |
|
4GB address space |
64-bit flat virtual address space |
|
GPRs are 32-bit |
GPRs are 64-bit | |
Q. Which operating systems support Intel Extended Memory 64 Technology?
A. Intel® Extended Memory 64 Technology FAQ
Q. Which processors support Intel Extended Memory 64 Technology?
Q. Will my current 533 MHz FSB systems (e.g. Intel® Server Board SE7501WV2) support Intel® Processors with Intel Extended Memory 64 Technology?
A. No.
This applies to:
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